Kanagawa, Japan

Kenji Okuma

This inventor holds 4 USPTO granted patents. Top assignees: Nsk Corporation, Other. Active years: 1997-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Okuma. Retrieved from https://idiyas.com/inventor/kenji-okuma-6pbfjsuf

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 6.0

ph-index = 3

Forward Citations = 32(Granted Patents)


Company Filing History:


Years Active: 1997-2002

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4 patents (USPTO):Explore Patents

Title: Kenji Okuma: Innovator in Rolling Bearing Technology

Introduction

Kenji Okuma is a notable inventor based in Kanagawa, Japan. He has made significant contributions to the field of rolling bearing technology, holding a total of 4 patents. His innovative designs focus on enhancing the performance and durability of rolling bearings.

Latest Patents

One of his latest patents is for a rolling bearing with a sealing plate that has grease enclosed within it. This design utilizes a urea-based grease specifically formulated for the portion where the rolling bearing is installed. The sealing plate is made from a vulcanizable fluororubber composition, which includes a vinylidene fluoride-tetrafluoroethylene-propylene terpolymer or a tetrafluoroethylene-propylene bipolymer. Another significant patent involves a rolling bearing that contains a grease filled with a perfluoropolyether oil. This oil has a straight-chain structure and a dynamic viscosity ranging from 40 to 160 mm²/s at 40°C, along with a particulate fluororesin and polytetrafluoroethylene as a thickening agent.

Career Highlights

Throughout his career, Kenji Okuma has worked with prominent companies, including NSK Corporation. His work has been instrumental in advancing the technology behind rolling bearings, making them more efficient and reliable.

Collaborations

Kenji has collaborated with notable coworkers such as Hideki Koizumi and Takahiko Uchiyama. Their combined expertise has contributed to the successful development of innovative bearing technologies.

Conclusion

Kenji Okuma's contributions to rolling bearing technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in bearing design and functionality.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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