Hisai, Japan

Kenji Tejima

This inventor holds 1 USPTO granted patent. Top assignee: Harmonic Drive Technologies. Active years: 2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Tejima. Retrieved from https://idiyas.com/inventor/kenji-tejima-eadjfzpm

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 2000

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1 patent (USPTO):Explore Patents

Title: Kenji Tejima: Innovator in Harmonic Drive Technology

Introduction

Kenji Tejima is a notable inventor based in Hisai, Japan. He has made significant contributions to the field of harmonic drive technology. His innovative approach has led to the development of a unique patent that enhances the efficiency of harmonic drive systems.

Latest Patents

Kenji Tejima holds a patent for a harmonic drive bearing arrangement. This invention comprises a novel harmonic drive transmission arrangement featuring an input member and an output member, along with its method of manufacture. The transmission includes a generally cylindrically-shaped housing that contains a circular spline gear. A cup-shaped flexspline with an array of radially outwardly directed gear teeth on one end engages with the circular spline teeth. A wave generator is rotatably supported on the input member, positioned radially inwardly of the gear on the flexspline. An annular diaphragm is arranged at the second end of the cup-shaped flexspline, with a flange attached to the diaphragm to securely connect the flexspline to the output member. An outer bearing race is affixed to the second end of the housing, and an arrangement of bearing members is positioned between the outer bearing race and the radially outermost surface of the flange, allowing for structural support and rotation.

Career Highlights

Kenji Tejima is associated with Harmonic Drive Technologies, a company known for its advancements in precision motion control. His work has been instrumental in developing innovative solutions that improve the performance of harmonic drives.

Collaborations

Kenji has collaborated with notable colleagues, including Carmine Gabriel Tortora and Robert P. Lascelles. Their combined expertise has contributed to the advancement of harmonic drive technology.

Conclusion

Kenji Tejima's contributions to harmonic drive technology exemplify the spirit of innovation. His patent for a harmonic drive bearing arrangement showcases his commitment to enhancing mechanical systems. Through his work at Harmonic Drive Technologies, he continues to influence the field 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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