This inventor holds 8 USPTO granted patents. Top assignees: Tris Inc., Denso Corporation, Other. Active years: 2001-2009.
Location History:
- Mie, JP (2004)
- Matsusaka Mie, JP (2005 - 2007)
- Matsusaka, JP (2001 - 2009)
Company Filing History:

Years Active: 2001-2009
Title: The Innovations of Yoichi Sakaura
Introduction
Yoichi Sakaura is a notable inventor based in Matsusaka, Japan. He has made significant contributions to the field of rotary electric machines, holding a total of 8 patents. His work focuses on enhancing the efficiency and functionality of commutators and brushes used in these machines.
Latest Patents
Sakaura's latest patents include innovative designs for brushes and commutators. One of his key inventions involves a commutator of a rotary electric machine, where each commutator segment features a low-resistive layer made from a low-resistive material and a high-resistive layer composed of a high-resistive material. The low-resistive material contains a carbonic substance and a binder, while the high-resistive material includes a carbonic material, a binder, and an inorganic substance such as boron nitride. The mixing ratio of the inorganic material to the high-resistive material exceeds 20 wt %. Additionally, he has developed a metal-graphite brush, which consists of a commutator side portion containing graphite, copper, and a metal sulfide solid lubricant, and a lead side portion that contains graphite and copper without any metal sulfide solid lubricant.
Career Highlights
Throughout his career, Sakaura has worked with prominent companies such as Tris Inc. and Denso Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the field of electrical engineering.
Collaborations
Sakaura has collaborated with notable colleagues, including Mitsuo Ikeda and Youichi Murakami. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Yoichi Sakaura's contributions to the field of rotary electric machines are significant and impactful. His innovative patents and collaborations highlight his dedication to advancing technology in this area. His work continues to influence the industry and inspire future innovations.