Location History:
- Nara, JP (1996)
- Nara-ken, JP (1999)
- Osaka, JP (1989 - 2012)
- Higashioska, JP (2013)
- Higashiosaka, JP (2012 - 2014)
- Yamatokoriyama, JP (2000 - 2018)
Company Filing History:
7 out of 772 
6 out of 8,782 
6 out of 2,419 
Years Active: 1989-2018
Title: Tsuyoshi Okumura: Innovator in Vehicle Technology
Introduction
Tsuyoshi Okumura, based in Osaka, Japan, is a prolific inventor known for his innovative contributions to vehicle technology. With a remarkable portfolio of 19 patents, Okumura has made significant advancements in the design and functionality of rolling devices and driving force transmission systems for vehicles.
Latest Patents
Among his latest inventions is a patent for a "Rolling Device for Vehicle." This device comprises an inner raceway member with first and second inner raceways, an outer raceway member featuring first and second outer raceways, and first and second rolling elements that operate between these raceways. Notably, this invention incorporates a specially formulated grease, which includes synthetic oil as a base, enhancing the performance and durability of the rolling surfaces.
Another significant patent is for a "Driving Force Transmission Device." This device consists of an inner ring, an outer ring, and a roller pair, alongside an electromagnetic clutch mechanism. The innovative design allows for efficient force transmission by utilizing a first and second cage to engage the rollers, reflecting Okumura's commitment to enhancing vehicle mechanics.
Career Highlights
Okumura has honed his expertise while working for prominent companies such as Koyo Seiko Company, Ltd. and Sanyo Electric Co., Ltd. His experiences in these firms have allowed him to cultivate a deep understanding of vehicle systems and technologies, which has been essential to his innovations in the automotive sector.
Collaborations
Throughout his career, Okumura has collaborated with notable professionals like Yoshitaka Nakagawa and Makoto Nohara. These partnerships have facilitated the development of new technologies and have played a vital role in the successful completion of his patent applications.
Conclusion
Tsuyoshi Okumura stands out as a key figure in the field of vehicle innovation. His extensive portfolio, marked by 19 patents, highlights his dedication to advancing vehicle technology. Through his groundbreaking inventions and collaborative efforts, Okumura continues to influence the industry landscape, paving the way for future advancements in automotive engineering.