This inventor holds 20 USPTO granted patents and 1 EPO patent, primarily in Vacuum Interrupters. Top assignee: Kabushiki Kaisha Toshiba. Active years: 1991-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Fuchu, JP (1991 - 1995)
- Tokyo, JP (1994 - 2001)
- Hachioji, JP (2001)
Company Filing History:
Years Active: 1991-2001
Areas of Expertise:
Title: **Innovations by Tsuneyo Seki: Pioneering Contact Materials in Vacuum Interrupters**
Introduction
Tsuneyo Seki is a distinguished inventor based in Tokyo, Japan, recognized for his significant contributions to the field of electrical engineering. With a remarkable portfolio of 20 patents, Seki has made strides in the development of contact materials for use in vacuum interrupters.
Latest Patents
Among Seki's latest inventions are two noteworthy patents concerning contact materials essential for vacuum interrupters. The first patent addresses a contact material that consists of 50 to 70% by weight of a conductive material centered around copper, along with an arc-proof material that includes either titanium carbide (TiC) or vanadium carbide (VC), featuring a mean particle diameter of 8 µm or below. This innovative contact material also boasts controlled hydrogen content ranging from 0.2 to 50 ppm, ensuring optimal performance and reliability.
The second patent further elaborates on the composition of the contact material, which consists of an anti-arcing constituent made up of at least one of TiC, V, and VC, accounting for 30 to 70 volume percent. Additionally, it includes carbon in the range of 0.005 to 0.5 weight percent regarding the anti-arcing constituent, alongside a conductive constituent primarily composed of copper. This dual-focus approach enhances the efficiency and effectiveness of vacuum interrupters.
Career Highlights
Tsuneyo Seki's career is marked by his association with Kabushiki Kaisha Toshiba, a leading name in technology and innovation. His work in the company has allowed him to explore advanced research areas in electrical materials and devices, firmly establishing him as a prominent figure in the industry.
Collaborations
Throughout his career, Seki has collaborated with notable colleagues, including Tsutomu Okutomi and Atsushi Yamamoto. These professional partnerships have fostered a rich exchange of ideas and research, contributing to the advancement of their respective fields and enhancing the impact of their innovative projects.
Conclusion
Tsuneyo Seki's dedication to innovation in contact materials for vacuum interrupters positions him as a key player in electrical engineering advancements. His impressive body of work exemplifies the potential of thoughtful invention in shaping practical solutions for modern technology. As the industry continues to evolve, inventors like Seki will undoubtedly play an essential role in leading the charge toward future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile