This inventor holds 2 USPTO granted patents and 2 EPO patents. Top assignee: Ntn Corporation. Active years: 2014-2017.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kuwana, JP (2014)
- Mie, JP (2017)
Company Filing History:
Years Active: 2014-2017
Title: Hiromichi Kokumai: Innovator in Rolling Bearing Technology
Introduction
Hiromichi Kokumai is a notable inventor based in Mie, Japan. He has made significant contributions to the field of rolling bearing technology, holding 2 patents that showcase his innovative approach to engineering.
Latest Patents
Kokumai's latest patents include a rolling bearing cage and a fluid dynamic bearing device. The rolling bearing cage patent describes a cage that features an annular body with pocket holes designed to receive balls. This cage incorporates a resin portion formed through injection molding, which contains a solid lubricant. The design ensures that the first parts of the resin are formed along the inner peripheral surfaces of the pocket holes, allowing for smooth sliding contact with the balls. Additionally, the second part of the resin is formed along the outer peripheral surface of the body, creating a guide surface for contact with an outer ring. The fluid dynamic bearing device patent outlines a device that includes a dynamic pressure generating groove region on the inner peripheral surface of a bearing member. This design generates fluid dynamic pressure in both forward and reverse directions, enhancing the efficiency of the bearing system.
Career Highlights
Kokumai is currently employed at NTN Corporation, where he continues to develop innovative solutions in the field of bearings. His work has significantly impacted the performance and reliability of bearing systems used in various applications.
Collaborations
Throughout his career, Kokumai has collaborated with talented individuals such as Daichi Ito and Naoki Ikemura. These partnerships have fostered a creative environment that encourages the development of cutting-edge technologies.
Conclusion
Hiromichi Kokumai's contributions to rolling bearing technology exemplify his dedication to innovation and engineering excellence. His patents reflect a deep understanding of mechanical design and functionality, positioning him as a key figure in his field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile