Yamagata, Japan

Riichiro Tadakuma

This inventor holds 1 USPTO granted patent. Top assignee: Yamagata University. Active years: 2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Riichiro Tadakuma. Retrieved from https://idiyas.com/inventor/riichiro-tadakuma-6hs7ugnt

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 = 2.0

ph-index = 1


Company Filing History:


Years Active: 2025

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Riichiro Tadakuma

Introduction

Riichiro Tadakuma is a notable inventor based in Yamagata, Japan. He has made significant contributions to the field of mechanical engineering, particularly with his innovative designs and mechanisms. His work has garnered attention for its practical applications and technical ingenuity.

Latest Patents

One of Riichiro Tadakuma's key inventions is a differential mechanism. This mechanism includes a rotating frame that is rotatably provided in a main body frame. It features an inner worm gear formed in a cylindrical shape, which covers the outer periphery of the rotating frame and is rotatably provided coaxially with it. The inner worm gear has a spiral tooth formed on its cylindrical inner side. Additionally, a worm wheel is rotatably provided on the rotating frame in a direction orthogonal to the axis of the rotating frame, meshing with the inner worm gear. This innovative design has the potential to enhance various mechanical systems.

Career Highlights

Riichiro Tadakuma is affiliated with Yamagata University, where he continues to engage in research and development. His academic background and professional experience have equipped him with the skills necessary to innovate in his field. His dedication to advancing technology is evident in his work and contributions.

Collaborations

Riichiro has collaborated with fellow inventor Kazuki Abe, further enriching his research and development efforts. Their partnership exemplifies the spirit of teamwork in the pursuit of innovation.

Conclusion

Riichiro Tadakuma is a distinguished inventor whose work in differential mechanisms showcases his creativity and technical expertise. His contributions to Yamagata University and the field of mechanical engineering are commendable.

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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