This inventor holds 3 USPTO granted patents. Top assignee: Minebea Company, Limited. Active years: 2004-2005.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Omori-nishi, JP (2004)
- Tokyo, JP (2004 - 2005)
Company Filing History:
Years Active: 2004-2005
Title: Naofumi Kumagai: Innovator in Resolver Technology
Introduction
Naofumi Kumagai is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of resolver technology, holding a total of 3 patents. His work focuses on enhancing the functionality and efficiency of resolver systems.
Latest Patents
Kumagai's latest patents include innovative designs that improve resolver terminal attachment structures and stator configurations. One of his notable inventions is a resolver terminal attachment structure that features a stator core made from multiple laminated plates. This design provides multiple stationary magnetic poles with teeth that face the center of a stator yoke. The magnetic poles are designed to accept a stator winding and include a lead wire fixture that electrically couples the winding to a lead wire via attachment pins. Additionally, two protrusions are formed integrally with the stator core to support the lead wire fixture.
Another significant patent is a stator structure for a resolver, which includes a stator core surrounded by insulating members. Locking protrusions on the outer periphery of the stator core form a keyway, allowing a modular connector to secure itself to the stator core. Fastening pins embedded in the modular connector facilitate electrical conduction from a mating connector to the resolver.
Career Highlights
Naofumi Kumagai is currently employed at Minebea Company, Limited, where he continues to innovate in the field of resolver technology. His work has been instrumental in advancing the capabilities of resolver systems, making them more efficient and reliable.
Collaborations
Kumagai collaborates with talented colleagues, including Takanobu Koyama and Masahiro Kobayashi. Their combined expertise contributes to the development of cutting-edge technologies in their field.
Conclusion
Naofumi Kumagai is a key figure in the realm of resolver technology, with a focus on innovative designs that enhance system performance. His contributions through patents and collaborations continue to shape the future of this technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile