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  3. KOHGAMI Corporation(神上コーポレーション)
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KOHGAMI Corporation(神上コーポレーション)

Establishment2018 year
addressKanagawa/Kohoku-ku, Yokohama-shi/Shin-Yokohama 3-7-18
phone050-3575-5053
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last updated:Jun 13, 2025
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KOHGAMI Corporation(神上コーポレーション) Company Overview

While leveraging our strengths in waterproofing and heat dissipation structures, we turn ideas into reality for overall design and development, even without specifications!

A Challenge to Transform "Impossible" into "Possible" in Design Quality One day, we received a development project for a new wearable device that pursued unprecedented thinness and lightness. The client's request was, "It must be completely waterproof while not compromising on design at all." The project initially ran aground due to this conflicting challenge. The thickness of the casing was just a few millimeters. With conventional waterproofing technology, it was not only difficult to protect the internal precision instruments but also to maintain design integrity. While many engineers threw in the towel, declaring it "impossible," the challenge at Kamigami Corporation began. Our team first thoroughly utilized 3D data as part of our DX promotion, repeatedly conducting simulations in a virtual space. This was a crucial process to eliminate rework and improve development productivity. Drawing on the experience and insights that our representative, Suzuki, had cultivated over many years in developing some of the world's thinnest waterproof designs for smartphones, we meticulously analyzed every possible water intrusion route, leaving no 0.1 millimeter gap unchecked. We pursued the highest design quality and devised a new waterproof structure that overturned conventional wisdom.

Business Activities

Kaminoue Corporation is engaged in the following businesses to solve a wide range of challenges in product development. 【Product Development and Technical Consulting】 - Comprehensive Support: We assist in all processes from product planning, development, prototyping, to mass production. We specialize in providing concrete proposals that lead to the establishment of quality systems, quality improvement in manufacturing sites, productivity enhancement, and cost and expense reduction. - DX Promotion Support: We promote the digitalization of the development process through the introduction and utilization of 3D-CAD/CAE. We support the establishment of a development system that eliminates prototypes and rework by utilizing simulations. - Advanced Design Quality: We provide high-value-added design quality in specialized fields requiring expertise, such as waterproof and dustproof design, heat dissipation design, and structural design. 【Education and Human Resource Development】 - Engineer Training Programs: We plan and hold practical technical seminars and training programs that are immediately useful in the field, covering topics such as waterproof design, thermal management, quality control, and the use of 3D-CAD. We contribute to the enhancement of companies' technical capabilities and human resources. 【Original Parts and Tool Manufacturing】 - We design and manufacture custom-made parts and tools from a single unit to contribute to productivity improvement and quality enhancement in our customers' production lines.

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Products/Services (16)

[Seminar] Basics and Applications of Analog Technology Supporting FPGA / SoC product image
[Seminar] Basics and Applications of Analog Technology Supporting FPGA / SoC
[Seminar] Thermal Management and Heat Dissipation Design Addressing Both Mechanical Design and Circuit Design product image
[Seminar] Thermal Management and Heat Dissipation Design Addressing Both Mechanical Design and Circuit Design
[Seminar] Introduction to Quality Management - Advancing with the Five Gen Principles and Quality Response product image
[Seminar] Introduction to Quality Management - Advancing with the Five Gen Principles and Quality Response
[Seminar] Essential Knowledge and Practical Methods for Green Procurement product image
[Seminar] Essential Knowledge and Practical Methods for Green Procurement

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catalog(9)

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[KOHGAMI] Deep Black Coating Service

[KOHGAMI] Deep Black Coating Service

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KOHGAMI Parts and Jig Manufacturing Service

KOHGAMI Parts and Jig Manufacturing Service

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Shinjo Corporation Co., Ltd. Seminar 2024-2025

Shinjo Corporation Co., Ltd. Seminar 2024-2025

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Antibacterial & antiviral, catalytic effect, heat dissipation effect, surface modification - Mineral-reinforced plastic & metal by metal ion multifunctional technology.

Antibacterial & antiviral, catalytic effect, heat dissipation effect, surface modification - Mineral-reinforced plastic & metal by metal ion multifunctional technology.

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news(1)

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Fundamentals and Design Methods of Waterproof Design in Electronic Devices [Live Streaming]

  • SEMINAR_EVENT

Hosted by the R&D Support Center Waterproof Design [WEB Seminar] [Purpose] The incorporation of waterproof functions into electronic devices, particularly smartphones, is becoming increasingly common. The benefits include the protection of electronic circuits and a reduction in failure rates, leading to improved product quality and integrity. The required waterproof standards and tests vary by product, but the fundamental waterproof structure does not change significantly. We will summarize and explain the basic components or structures. In particular, we will include manufacturer-provided materials in the explanations for each component. Challenges of waterproof products include increased component costs, design constraints, and reduced functionality. Special attention is needed for miniaturization and weight reduction. We will clearly explain these points. In the development and design of waterproof devices, are you still conducting evaluations through repeated cut-and-try methods? Here, we propose the realization of front-loading as an example of waterproof device development. We will explain the overview of the CAE-utilized development process, and we hope it will assist in process improvement.

Apr 19, 2021

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Company name KOHGAMI Corporation(神上コーポレーション)
Contact addresspostalcode 222-0033 Kanagawa/ Kohoku-ku, Yokohama-shi/ Shin-Yokohama 3-7-18View on map TEL:050-3575-5053
Industry Other manufacturing
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