May Seminar on Chemistry, Electricity, Patents, and Software

★Currently, we will discuss the most concerning "unintentional by-product chemicals," highlighting past cases and explaining evaluation management, as well as the movements of industry, government, and media!

**Lecture Summary** How to evaluate and manage unintentionally produced chemical substances is a significant challenge for chemical companies. Recently, the presence of PCBs in organic pigments has been confirmed, and measures are being taken in response. This lecture will address the byproducts of hazardous chemicals, including their background, the organization of issues, and challenges related to safety.

• Technical Seminar

What is the difference between crystalline plastics and amorphous plastics? What is the interlayer adhesion in co-extrusion? What are the key points of ultra-multilayer extrusion molding?

【Purpose of the Course】 Extrusion molding is the foundation of plastic molding. The molded products vary widely, including films, sheets, pipes, hoses, tubes, specially shaped extrusions for civil engineering and construction materials, and foam sheets. Additionally, extrusion molding is applied in the forming of parisons in blow molding. The characteristics required for molded products are diverse, and resin compounding is conducted to achieve these characteristics. Co-extrusion molding is applied as a means to this end. In the first half of this seminar, the basics of extrusion molding and the extrusion techniques for various products will be introduced. The second half will discuss co-extrusion technology in films, sheets, and blow molding, as well as the characteristics and applications of co-extruded products.

• Technical Seminar

How to control the motor in a high-speed rotation area that requires a larger voltage!?

【Purpose of the Course】 Hybrid vehicles use IPM (Interior Permanent Magnet) motors. In this seminar, we will first explain the basic control methods for IPM motors. This content is applicable not only to hybrid vehicles but also to all applications of IPM. The constraints related to motor control in hybrid vehicles include a much higher rotational speed range compared to other applications (for example, elevators). In this range, voltages significantly higher than those provided by the onboard power supply (battery) are required. To address this, we will explain several additional control methods adopted by leading hybrid vehicle manufacturers.

• Technical Seminar

☆A comprehensive explanation of the essentials for embedded Android development. ★A focused course that allows you to efficiently understand everything from the basics to recent trends in a short amount of time!

【Lecture Summary】 Recently, alongside the iPhone, Android has emerged as a leading operating system for smartphones. Additionally, Android is expected to be the next-generation embedded operating system, and it is anticipated that it will be incorporated into home appliances such as LCD televisions in the future. In this lecture, we will provide an overview of what Android is, discuss its internal structure, development procedures, and methods for device control using Android, covering all the necessary aspects for developing embedded Android. 【Keywords】 1. Embedded Android 2. BeagleBoard

• Technical Seminar

★Please bring your laptop. ★Basic training on presentations that are easy to understand! A training to learn the essentials of presentations that you can use starting today!

【Lecture Summary】 Three features of this lecture: 1. You will develop presentation skills, theoretical structuring abilities, and problem-solving skills. 2. You will be able to accurately grasp the problems and needs of others and speak with confidence. 3. You will acquire the essential basics of presentations that you must know. 【Instructor's Publications】 "Presentation Skills Improvement Course for Engineers," published by Doyukan "Mastering Proposal Sales," published by Doyukan "The Negotiation Techniques of Top Salespeople," published by Pal Publishing 【Keywords】 1. Easy-to-understand basic presentation training 2. Training to learn presentation techniques you can use starting today 3. Practical presentation training

• Technical Seminar
• Sales Skills Seminar

A thorough explanation of techniques to dramatically increase the efficiency of distillation technology calculations by understanding Excel's features!

**Lecture Summary** This lecture will explain the application of Excel in distillation technology calculations. By using Excel's Goal Seek, one can obtain solutions to equations without creating any programs. This will be utilized for boiling point calculations in vapor-liquid equilibrium calculations. It will also be used to solve state equations to determine the compressibility factor of real gases. In distillation technology calculations, many empirical formulas are used, and Excel provides functions for the least squares method, making it easy to determine these empirical formulas. Furthermore, by using matrix operation functions, it is possible to solve simultaneous equations, allowing for the determination of coefficients for empirical formulas of second degree or higher. Excel has a convenient feature called macro recording. By using this, one can record operations to obtain various solutions and create macros (VBA). By modifying these macros, the efficiency of distillation technology calculations can be dramatically increased. Knowing how to utilize Excel's features can make a significant difference.

• Technical Seminar

What measures are required for dust and other particles adhering to or present on film surfaces in the next generation?

☆What are the specific initiatives for quality management (coating process and the processes before and after)? 　　Considerations regarding dust adhesion (results from the film prototype plant) ★What types of dust are unique to the film process and derived from the process and auxiliary materials? ★In reality, many companies struggle with managing clean rooms due to the inability to correlate product yield and cleanliness. What points should be noted to utilize them efficiently? ★Preliminary content request service is currently available! We welcome your practical challenges!

• Technical Seminar

Aiming for a simpler and more highly oriented process!! What are the optimal materials and processes?

[Purpose of the Lecture] Orientation films and surfaces for displays and other applications have garnered attention for their light orientation techniques. In recent years, practical applications of simple polarized light reactions with photoresponsive materials and light orientation using polymerizable liquid crystals have emerged. In this lecture, we will discuss materials that can orient polymer films themselves through light, focusing on higher orientation and simpler processes. We will cover the fundamentals of photochemical reactions, polymer liquid crystal materials, and polarized light reactions, as well as the concept of light molecular orientation, examples of materials, and potential applications.

• Technical Seminar

- Fundamentals, materials technology, dispersion and aggregation, composite materials, market challenges, technology comparison - ★Explaining key points about fundamentals and dispersion stabilization, applied technology, and the market!

**Keywords** 1. Conductivity 2. Carbon Nanotubes 3. Dispersion and Aggregation **Lecture Summary** In this seminar, we will explain the fundamentals of carbon nanotubes, material technology, market and technical challenges, and application technologies. After that, we will list the challenges provided by the instructor and requests from the participants, followed by a discussion among all participants to deepen the understanding of carbon nanotubes.

• Technical Seminar

What are the efforts to improve the functionality of insulation materials required for the next generation!? Introduction of domestic and international markets for blowing agents and technologies under development!

★Examples of material property tests that can only be heard here! Changes in the long-term performance of insulation materials. Why is condensation a problem? ... Internal condensation and surface condensation! The difference between flame retardant, flame-resistant, and non-combustible materials ... What is the difference between JIS standards and ministerial certification? ☆Insulation technology of silica aerogel applicable in various scenes! Interior insulation panels for housing, daylighting insulation windows, tents, and insulation paint! ★Required fire resistance performance and ensuring that performance, illustrated with fire case studies! ⇒ The differences between the combustion test device (cone calorimeter) adopted due to the revision of the Building Standards Act and other combustion evaluation devices. ★Preliminary content request service currently in progress! We welcome customers to bring in their practical issues!

• Technical Seminar

★What is the relationship between solar radiation and indoor temperature!? ★A basic explanation of the concepts of residential building insulation aimed at developers of paints, films, glass, and insulation materials!

【Purpose of the Course】 Reducing heating and cooling energy is an important issue in advancing energy efficiency and carbon neutrality in housing and architecture. In this context, it is essential to first enhance the basic thermal performance of building structures through insulation and heat shielding, which also serves as a countermeasure in situations where equipment cannot be used due to disasters or power outages. In this seminar, we will introduce evaluation methods (testing methods and calculation methods) for the insulation and heat shielding performance of architectural components such as windows and walls, as well as explain the fundamentals of building thermal transmission that underlie these methods.

• Technical Seminar

★What determines the strength and impact resistance of plastics?! ★Covering the relationships and analysis methods of molecular weight, orientation, crystallinity, viscoelasticity, interfaces, and adhesion!!

**Lecture Summary** In recent years, the functions and performance required of polymer materials have become multifunctional and advanced due to considerations of productivity and the environment. To achieve these requirements, the development of polymer composite technology has been actively pursued. This presentation will introduce analyses of the correlation between morphology and physical properties, the mechanisms of mechanical property manifestation, and the mechanisms of degradation, focusing on the mechanical characteristics of polymer composite materials. Additionally, it will present case studies analyzing the mechanisms behind the high impact properties of PK/PA polymer alloys, which have been clarified in our company recently, using techniques such as TEM, Raman, FT-IR, SAXS, and solid-state high-resolution NMR.

• Technical Seminar

★Covering everything from the basics of UV curing to challenges!! ★Dual UV curing that combines multiple light-curing reactions.

【Lecture Summary】 This presentation will explain hybrid UV curing, which combines multiple photopolymerization reactions to enhance UV curing performance, and dual UV curing, which combines the effects of light and heat. In the latter case, curing enhancement may occur in areas where light does not reach, so the current status and challenges will be discussed.

• Technical Seminar

Requirements for cover glass, cover sheets, wiring materials, and optical adhesive agents changing with larger sizes.

**Lecture Summary** Capacitive touch panels have become a standard input device for smartphones and tablet PCs. This is the result of a UI revolution brought about by multi-touch and gesture input. We will analyze the movements of various companies in the touch panel market and predict the future of the market. Furthermore, we will discuss the current technical challenges of touch panels and the technological requirements for larger touch panels from the perspective of materials science. The trend towards larger panels includes proposals for new materials, as well as new types of touch panels, including optical ones. **Keywords** 1. Multi-touch panels 2. Large panels

• Technical Seminar

High absorbent resins, primarily for hygienic purposes, are expanding in the market! With increasing demand from emerging countries, a presentation focused on materials in this field, where demand is tightening!

**Lecture Summary** Superabsorbent polymers are experiencing market expansion, particularly in hygiene applications. However, the reality is that current products are made from petroleum, and despite containing a large amount of moisture after use, many of them are incinerated. If superabsorbent polymers could be made from natural materials that are renewable resources and could also be endowed with biodegradability, it is expected that various issues could be resolved. In this lecture, I will clearly explain the characteristics and challenges of current superabsorbent polymers, as well as specific methods and significance of imparting biodegradability, and I would like to consider the future ideal state of superabsorbent polymers.

• Technical Seminar

As the new year begins, I would like to extend my heartfelt congratulations on your continued prosperity. I sincerely appreciate your exceptional support throughout the year. This is the STJ Group (Santelecom Japan, STJ Rentec). Now, I am pleased to announce that we will be opening our "Transceiver & Smartphone Rental Shop" simultaneously at three locations nationwide on January 26 (Monday)! ■ List of Services to be Offered - Same-day pickup/return of rental equipment - Usage explanations and demonstrations of rental equipment - Wireless solutions consultation desk - Mobile BPO service counter As a special promotion to celebrate the opening of the rental shop, we are currently running a special price campaign for picking up rental equipment at the shop! For more details, please contact us!

【Notice of Year-End and New Year Holidays】 Thank you very much for your continued support. Our company will be closed for the year-end and New Year holidays as follows: Holiday Period: Saturday, December 27, 2025 – Sunday, January 4, 2026 Please note that inquiries and orders received during the holiday period will be addressed sequentially starting from Monday, January 5, 2026. We apologize for any inconvenience this may cause and appreciate your understanding.

We would like to inform you about our participation in the IT Trend EXPO 2026 Spring. 《Exhibition Information》 With the concept of "New encounters will change tomorrow's work," one of the largest online exhibitions in the industry will be held. NTT TechnoCross will exhibit in the Human Resources Comprehensive category. We have prepared numerous discussions and sessions featuring special guests who are active on television, allowing even those who are usually busy to efficiently gather information on products and services related to IT and DX. Additionally, the first 10,000 participants will receive a 500 yen Amazon gift card. Please apply early. 《Exhibition Overview》 March 3 (Tuesday) to March 7 (Saturday), 2026, online (free: pre-registration required) 《Participation Application》 https://it.expo.it-trend.jp/key/opl7kgdj *Please apply (free) from the "Receive Ticket / Proceed to Participation Registration" link at the above URL.

The TV commercial "What Will You Do in the New Era?" featuring model and actress Akane Horita will begin airing on December 26, 2025. This work expresses the desire of Tokei Densan to respond to the diverse needs of various industries in today's society, where new technologies, such as the expansion of the AI market, are competing with each other, and to nurture and blossom our customers' futures. Please pay attention to Akane Horita, who is dressed in stylish outfits, listening to the concerns of the target audience and offering support. # CM Overview Title: "What Will You Do in the New Era?" (30 seconds / 15 seconds) CM URLs 30 seconds: https://youtu.be/y_lMs0HRj3w 15 seconds: https://youtu.be/egpzMfh8Kok

Thank you very much for your continued support. We would like to inform you that our company will be closed for the year-end and New Year holidays as follows: Year-end and New Year holiday period: December 27, 2025 (Saturday) to January 4, 2026 (Sunday) We apologize for any inconvenience this may cause and appreciate your understanding. *Please note that inquiries made through our website will also be responded to after January 5, 2026 (Monday).