Fujiidera, Japan

Manabu Kai

This inventor holds 1 USPTO granted patent. Top assignee: Koyo Seiko Company, Ltd.. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Manabu Kai. Retrieved from https://idiyas.com/inventor/manabu-kai-7m21wc5p

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 = 2.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Manabu Kai: Innovator in Bearing Assembly Technology

Introduction

Manabu Kai is a notable inventor based in Fujiidera, Japan. He has made significant contributions to the field of bearing assembly technology. His innovative approach has led to the development of a unique lubrication film that enhances the performance of bearings.

Latest Patents

Manabu Kai holds a patent for a bearing assembly that features a lubrication film composed of a solid lubricant, specifically polytetrafluoroethylene (PTFE). This lubricant has a mean molecular weight of not more than 25,000 and a mean particle size ranging from 5 to less than 10 micrometers. The lubrication film adheres to various components of the bearing assembly, including balls, raceway tracks, and retainers, ensuring optimal performance without the need for a binder.

Career Highlights

Manabu Kai is associated with Koyo Seiko Company, Ltd., where he has been instrumental in advancing bearing technology. His work has not only improved the efficiency of bearings but has also contributed to the overall reliability of machinery that utilizes these components.

Collaborations

Manabu Kai collaborates with his coworker, Hiroshi Toyota, to further enhance their research and development efforts in bearing technology. Their combined expertise has led to innovative solutions that address industry challenges.

Conclusion

Manabu Kai's contributions to bearing assembly technology through his patented innovations demonstrate his commitment to advancing engineering solutions. His work continues to impact the industry positively.

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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