This inventor holds 14 USPTO granted patents. Top assignees: Sumitomo Wiring Systems, Limited, Autonetworks Technologies, Limited, Sumitomo Electric Industries, Limited. Active years: 2002-2006.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokkaichi, JP (2002 - 2004)
- Mie, JP (2004 - 2006)
Company Filing History:
11 out of 6,425 
1 out of 2,280 
1 out of 10,647 
Years Active: 2002-2006
Title: Inventor Shuji Yamakawa: Innovations in Battery Terminal Connections
Introduction
Shuji Yamakawa, an esteemed inventor based in Yokkaichi, Japan, has made significant contributions to the field of electrical engineering. With a total of 14 patents to his name, Yamakawa has focused on enhancing the efficiency and safety of electrical connections in automotive applications.
Latest Patents
Among Yamakawa's latest innovations are his patents for the structure of connecting battery terminals to bus bars and the connection structure between bus bars and relay terminals. His first patent details a unique configuration in which the plus and minus terminals of a battery are effectively insulated from one another through an innovative resin cover. This design aims to prevent short-circuiting, enhancing the safety of electrical systems used in vehicles.
The second patent focuses on a novel connection design utilized in electrical connection boxes for automobiles. Each bus bar is crafted from an aluminum-based metal plate, ensuring that the structure is both durable and lightweight. The bent ends of these bus bars are welded directly to relay terminals, which are embedded in molded insulation, further enhancing the connection's robustness.
Career Highlights
Shuji Yamakawa has spent a notable portion of his career at Sumitomo Wiring Systems, Limited, where he honed his skills in electrical engineering and design. His impressive portfolio of patents reflects his commitment to advancing technology in the automotive industry and improving electrical safety standards.
Collaborations
Throughout his career, Yamakawa has collaborated with talented colleagues such as Eriko Yuasa and Hiroki Hirai. This teamwork has contributed to his innovative approaches and has helped realize many of his patented inventions. The collective expertise of such individuals has played a pivotal role in pushing the boundaries of automotive electrical systems.
Conclusion
Through his inventive spirit and dedication, Shuji Yamakawa continues to pave the way for advancements in battery connection technology. His patents not only stand as a testament to his ingenuity but also significantly contribute to the safety and efficiency of automotive electrical systems in today's vehicles.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile