吉田鉄工所 List of Products and Services

"Sumikin System Architecture" is a construction method characterized by "high seismic resistance," "low cost," and "short construction period." We offer a range of buildings including the single-story standard system architecture "Tio," the freely designed single-story and two-story system architecture "Treo," and the mid-rise system architecture "Rafitto" for buildings of three to six stories. By extensively using high-strength bolt connections, we achieve excellent seismic performance. Additionally, we respond quickly not only to statutory inspections but also to unexpected accidents. 【Features】 ■ High seismic performance ■ Abundant finishing materials ■ Environmentally conscious ■ Low cost and short construction period ■ Reliable maintenance *For more details, please refer to the PDF materials or feel free to contact us.

• others

Our construction department began operations in 1958 and is now a comprehensive construction contractor, handling general and public buildings as well as public civil engineering works such as bridges. This division can consistently manage everything from design to construction and aftercare in-house. We possess the technology and know-how to accommodate any type of building, from wooden structures to steel frame constructions, and we can build completely custom-designed homes. Additionally, while we do not have a housing exhibition hall, we hold property tours for interested customers to showcase our completed projects. By seeing them in person, we aim to help customers understand the features of homes built by Yoshida Iron Works. [Qualified Personnel List] ■ Supervising Engineers: 10 ■ First-Class Architects: 5 ■ First-Class Construction Management Engineers: 8 ■ First-Class Civil Engineering Management Engineers: 6 *For more details, please refer to the PDF materials or feel free to contact us.

• others

The steel structure department has been supporting Yoshida Iron Works alongside the machining department since the early days of the company's founding, manufacturing steel materials for construction. As an H-grade certified factory, both factories process 12,000 to 15,000 tons annually, producing steel frames for various applications such as large shopping centers, logistics warehouses, and factories. Our company is committed to taking on various types of work tailored to our customers' needs, actively engaging in the production of not only S structures but also SRC structures. [List of Qualified Personnel (Partial)] ■ Level 1 Welding Management Engineer: 2 people ■ Level 2 Welding Management Engineer: 5 people ■ Level 2 Ultrasonic Testing Technician: 3 people ■ Level 1 Ultrasonic Testing Technician: 3 people ■ Building Steel Frame Product Inspection Technician: 6 people *For more details, please refer to the PDF document or feel free to contact us.

• Other metal materials
• Processing Contract
• Contract manufacturing

The elevators manufactured by Otis Elevator Japan, supplied with key parts from Yoshida Iron Works, are characterized by their earthquake resistance and a focus on ride comfort and usability. Our company has developed "elevator parts" that excel in seismic resistance and thoroughly pursue ease of use and ride comfort. We deliver high-quality, world-standard products that also excel in comfort and environmental performance. Additionally, our civil engineering product "Super Frame" prevents landslide disasters without compromising the landscape and boasts a high durability of over 50 years. 【Product Lineup】 <Elevator Parts> ■Cab ■Machine Head ■Sealing ■Car Frame ■Counterweight Frame <Civil Engineering Products> ■Super Frame *For more details, please refer to the PDF materials or feel free to contact us.

• Other machine elements
• Contract manufacturing

Regarding elevators and civil engineering components, our company adopts a unique production method that does not hold excess inventory, achieving significant reductions in lead time and costs, as well as high quality. In terms of personnel, we have certified first and second-class sheet metal workers who perform high-precision work. Additionally, we employ skilled welders capable of producing products with minimal distortion. In terms of equipment, we effectively utilize laser processing machines, CAD data, and PC software to devise efficient production methods. By cutting out necessary components from a single sheet without waste, we improve yield. 【Features】 - Adoption of a unique production method that does not hold excess inventory - Significant reductions in lead time and costs, and high quality achieved - Certified first and second-class sheet metal workers performing high-precision work - Skilled welders also employed in-house - Efficient production methods devised using laser processing machines, CAD data, and PC software *For more details, please refer to the PDF materials or feel free to contact us.

• Other machine elements
• Contract manufacturing
• Other Auto Parts

Our company began trading with Otis Elevator Japan in 1973, which led to the establishment of the Engineering Department. The Engineering Department primarily manufactures elevator components, but it also engages in the production of civil engineering parts, as well as frames for outdoor transformers and components for Shinkansen (bullet trains). One of the civil engineering parts we manufacture, the "Super Frame," is lightweight and easy to install compared to traditional slope construction methods using concrete secondary products, and it boasts excellent durability and aesthetics. 【Business Activities (Partial)】 ■ Manufacturing of elevator components ■ Manufacturing of civil engineering parts ■ Manufacturing of frames for outdoor transformers and components for Shinkansen *For more details, please refer to the PDF materials or feel free to contact us.

• Contract manufacturing
• Other Auto Parts
• Other machine elements

The "DeoCart DCZ-30" is a diaper cart equipped with deodorizing and sterilizing functions, designed for use in nursing and medical facilities. When diapers are inserted, the unpleasant odors that were previously dispersed every time the lid was opened and closed are powerfully deodorized with ozone. Additionally, the oxidation effect of ozone strongly sterilizes the interior. We incorporated easy-to-use sizes and functions based on feedback from caregivers on-site. 【Features】 ■ Oxidative decomposition of odor molecules using ozone ■ Powerful sterilization of viruses and bacteria ■ Exceptional ease of use born from on-site feedback ■ Ample storage with four drawers ■ Simple structure for easy maneuverability *For more details, please refer to the PDF document or feel free to contact us.

• Other safety and hygiene products
• others

The "Electric Assist System for Wheelchairs" is a product designed to reduce the burden on caregivers when navigating steps, slopes, and inclines. It can be easily retrofitted to various commercially available wheelchairs. The operation is intuitive and can be easily handled by anyone, ensuring safety through multiple safety devices including electromagnetic brakes and safety clips, while achieving electric assist functionality in a simple, lightweight, and cost-effective manner. 【Features】 ■ Easily retrofittable to various commercially available wheelchairs ■ Can be installed easily by anyone without the use of tools ■ Safety ensured through multiple safety devices ■ Simple, lightweight, and inexpensive *For more details, please refer to the PDF document or feel free to contact us.

• others

Our company has an environment where all processes, including turning, machining, gear cutting, grinding, and broaching, can be consistently performed in-house. If you entrust us with your processed products, we can provide integrated processing. Until now, we have challenged various processing technologies based on our customers' requests and have engaged in manufacturing. As a result, we have gained the skills and confidence to meet a variety of needs in machining today. There are approximately 140 machines in our factory. With such equipment, our machining department carries out manufacturing that satisfies customers in terms of quality, cost, and delivery. 【Equipment Owned (Excerpt)】 ■ NC Lathes: 8 vertical, 53 horizontal ■ Machining Centers: 23 vertical, 17 horizontal ■ Broaching Machines: 2 ■ Cylindrical Grinding Machines: 10 ■ Hob Machines: 7 *For more details, please refer to the PDF document or feel free to contact us.

• Engine parts
• Drive system parts
• Other Auto Parts

We use three-dimensional measuring machines, contour measuring machines, and roughness measuring machines that accommodate large workpieces to measure large components such as mission cases without disassembly. In particular, the Carl Zeiss three-dimensional measuring machine purchased in 2014 is characterized by its ability to perform extremely high-precision measurements. By introducing such new quality evaluation measuring equipment, we achieve thorough quality control. Additionally, we pay close attention to quality management by conducting measurements in a controlled environment. 【Equipment List】 ■ Three-dimensional measuring machine MITUTOYO MICROCORD F1008 ■ Three-dimensional measuring machine Carl Zeiss ACCURA II ■ Contour measuring machine CONTOURECORD 1600G ■ Roughness measuring machine SURFCOM 480B *For more details, please refer to the PDF document or feel free to contact us.

• Engine parts
• Drive system parts
• Transmission parts

Our company is engaged in transactions with several domestic automotive parts manufacturers, supplying various components to major automotive manufacturers through them. Specific products include cases and cages used in drive system differentials, plates, adapters, side gears, and carriers used in transmissions. Additionally, we also handle somewhat unique items such as mission cases for high-performance sports cars, shafts for golf carts, and the machining of parts used in the swivel sections of construction machinery (excavators). 【Product Lineup (Excerpt)】 ■ Case Differential ■ Carrier ■ Rear Mission Case ■ Hydraulic Parts, etc. *For more details, please refer to the PDF materials or feel free to contact us.

• Engine parts

"Tekkotsu-kun" is a device that automatically outputs the "Sinai ruler," which is essential for constructing large-scale structures. It achieves ultra-high precision of 20m ±0.3mm through its unique "belt-type surface contact method." Included with a dedicated computer, it also supports network connectivity, allowing for easy precision correction without adjusting the main unit using the provided driver software. Additionally, the belt that can be attached to the main unit has a maximum length of 440m, accommodating large data outputs. [Features] ■ Feed accuracy ±0.3mm/20m ■ Stable high precision achieved with "belt surface contact method" ■ Color-coded drawings with a maximum of 4 colors ■ CAD and online connectivity ■ Simple operation for easy work *For more details, please refer to the PDF document or feel free to contact us.

• Commercial printers

The "TRC-900Z" is a cutting plotter designed for fabrication that supports long-length output with a reliable sprocket system, allowing for reduced running costs by utilizing commercially available ballpoint pens. Thanks to its unique multi-axis control unit, it is simple and highly durable, and it also supports network output. Additionally, it is equipped with a variety of features, including color separation drawing functions and split feed functions. 【Features】 ■ Efficiently utilizes a 900mm wide area ■ Ideal for full-scale work on large structures ■ Ballpoint pen with a transparent body to see ink levels ■ Simple and durable twin head with pen + cutter ■ Comes standard with a film stopper *For more details, please refer to the PDF materials or feel free to contact us.

• Commercial printers

Yoshida Iron Works was founded by Isamu Yoshida in 1945, the year of the end of World War II. Starting from manufacturing agricultural machinery in a time of scarcity, the business expanded into automotive parts, steel processing, general construction, and elevator parts manufacturing, and has also ventured into the information industry with mobile phone business, not just limited to iron. Throughout its long history, the company has accumulated a wealth of know-how, prioritizing customer satisfaction, introducing the latest equipment, and challenging itself to process ultra-high precision products. 【Business Activities】 ■ Manufacturing of automotive parts, industrial machinery parts, elevator cabs, etc. ■ Steel structures (steel frames, bridges, etc.) ■ General construction (design and construction of houses, factories, stores, renovations) and comprehensive construction work ■ Steel processing jig creation device (product name: "Steel Frame-kun") ■ Other product development, etc. *For more details, please refer to the catalog or feel free to contact us.

• Drive system parts
• Transmission parts