This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignees: Sumitomo Electric Industries, Limited, Autonetworks Technologies, Limited, Sumitomo Wiring Systems, Limited. Active years: 2011-2023.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokkaichi, JP (2020 - 2022)
- Mie, JP (2021 - 2022)
- Osaka, JP (2011 - 2023)
Company Filing History:
5 out of 10,647 
4 out of 2,280 
4 out of 6,425 
Years Active: 2011-2023
Title: The Innovations of Yoshimasa Shirai
Introduction
Yoshimasa Shirai is a notable inventor based in Mie, Japan. He has made significant contributions to the field of electrical materials, holding a total of 6 patents. His work focuses on developing advanced materials that enhance electrical connectivity and performance.
Latest Patents
One of his latest patents is for an aluminum base wire. This innovative wire includes a core made of pure aluminum or an aluminum alloy, surrounded by a multi-layer coating. The coating consists of three layers, with the first layer made from metals such as nickel and copper, the second layer containing zinc and tin, and the third layer primarily composed of tin. This design ensures optimal performance and durability in various applications.
Another significant patent involves electrical contact materials, terminal fittings, connectors, and wire harnesses. This invention features a base material that contains copper, with a complex coating structure that includes an undercoat layer of nickel, followed by layers of nickel, zinc, copper, and tin. The oxide layer on the surface enhances the material's performance, making it suitable for high-quality electrical connections.
Career Highlights
Yoshimasa Shirai has worked with prominent companies in the industry, including Sumitomo Electric Industries and Autonetworks Technologies. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in electrical materials.
Collaborations
Throughout his career, Shirai has collaborated with talented individuals such as Kingo Furukawa and Akihisa Hosoe. These partnerships have fostered a creative environment that has led to the development of advanced technologies.
Conclusion
Yoshimasa Shirai's contributions to the field of electrical materials are noteworthy. His innovative patents and collaborations with leading companies and individuals highlight his commitment to advancing technology. His work continues to influence the industry and pave the way for future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile