Hitachi, Japan

Takami Ushiwata

This inventor holds 16 USPTO granted patents and 7 published patent applications, primarily in Optical Interconnection. Top assignees: Hitachi Cable, Inc., Hitachi Metals, Ltd., Nippon Shokubai Co., Ltd.. Active years: 2009-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takami Ushiwata. Retrieved from https://idiyas.com/inventor/takami-ushiwata

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank
USPTO Granted Patents = 16 

% Patents Active = 37.5

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 37(Granted Patents)


Location History:

  • Chiyoda-ku, JP (2012)
  • Tokyo, JP (2016)
  • Hitachi, JP (2009 - 2020)

Company Filing History:


Years Active: 2009-2020

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Areas of Expertise:
Insulated Wire
Optical Interconnection
Flexible Wiring
Optical Waveguide
Coil
Resin Insulating Coating
Optical Device
Interconnection Module
Transmission Medium
Fabrication Method
Opto-Electronic Module
Optical Circuit Board
16 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Takami Ushiwata

Introduction

Takami Ushiwata, an accomplished inventor based in Hitachi, Japan, has made significant contributions to the field of electrical engineering through his innovative work on insulated wires and coils. With a portfolio of 16 patents, Ushiwata's inventions focus on enhancing the performance and reliability of insulation materials, particularly using polyimide resins.

Latest Patents

Ushiwata's most recent patents include two notable designs for insulated wires. The first patent describes an insulated wire that features a conductor with an insulating layer made primarily of a polyimide resin. This resin is designed to maintain a water absorption coefficient of no greater than 2.8% after 24 hours at a temperature of 40°C and 95% humidity. The second patent details a similar insulated wire encompassing a polyimide insulation layer on its outer periphery. This layer incorporates specific acid components mixed in a defined molar ratio, enhancing the material's performance. Furthermore, the polyimide demonstrates a storage elastic modulus of not less than 50 MPa at elevated temperatures, making it suitable for various applications.

Career Highlights

Throughout his career, Ushiwata has collaborated with prestigious companies, including Hitachi Cable, Inc. and Hitachi Metals, Ltd. His work at these organizations has enabled him to refine his research and contribute to advancing the field of insulation technology. His dedication to innovation is evident in the practical applications of his patents, which continue to influence the industry.

Collaborations

In his endeavors, Ushiwata has worked alongside notable colleagues, such as Hiroki Yasuda and Kouki Hirano. These collaborations have likely fostered an environment of shared knowledge and creativity, driving the development of cutting-edge technologies in the realm of insulated wiring.

Conclusion

Takami Ushiwata's portfolio of patents and contributions to insulated wire technology exemplifies his status as an influential inventor in Japan. His work not only advances the engineering field but also sets a benchmark for future innovations in insulation materials. As the demand for high-performance wiring solutions grows, Ushiwata's inventions stand out as significant advancements, showcasing the importance of continuous innovation in technology.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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