This inventor holds 14 USPTO granted patents and 6 EPO patents, primarily in Bearing Technology. Top assignees: Koyo Seiko Company, Ltd., Jtekt Corporation, Sharp Kabushiki Kaisha Corporation. Active years: 1990-2015.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Nara-Ken, JP (1998 - 2001)
- Aichi, JP (2006)
- Osaka, JP (1990 - 2008)
- Nara, JP (1996 - 2011)
- Kitakatsuragi-gun, JP (2003 - 2015)
Company Filing History:
8 out of 772 
5 out of 2,468 
1 out of 25,982 
Years Active: 1990-2015
Areas of Expertise:
Title: Motoshi Kawamura: Innovator in Bearing Technology
Introduction
Motoshi Kawamura is a prominent inventor based in Kitakatsuragi-gun, Japan. He has made significant contributions to the field of bearing technology, holding a total of 14 patents. His innovative designs have enhanced the performance and reliability of various mechanical components.
Latest Patents
Among his latest patents is the conical roller bearing. This design features an inner ring with an annular groove situated between the inner-ring-side raceway surface and a small-diameter-side end portion. The cage of the bearing includes an erected portion that extends towards the annular groove, incorporating both a first and a second inclined portion. The first inclined portion is designed to engage with conical rollers, while the second inclined portion engages with the annular groove in an axial direction of the inner ring. Another notable patent is the clutch release bearing, which enhances water resistance. This design includes a first seal member that is externally fitted to the outer ring, featuring a seal lip that maintains sliding contact with the inner ring's outside diameter. An annular guide and an axial lip form a labyrinth to improve sealing efficiency.
Career Highlights
Motoshi Kawamura has worked with notable companies in the industry, including Koyo Seiko Company, Ltd. and Jtekt Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in bearing technology.
Collaborations
Throughout his career, Kawamura has collaborated with talented individuals such as Kanichi Kouda and Minoru Sentoku. These partnerships have fostered innovation and the development of cutting-edge technologies in the field.
Conclusion
Motoshi Kawamura's contributions to bearing technology through his patents and collaborations highlight his role as a key innovator in the industry. His work continues to influence the design and functionality of mechanical components, ensuring enhanced performance and reliability.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile