Nagano, Japan

Satoru Masai

This inventor holds 6 USPTO granted patents and 1 published patent application. Top assignee: Seiko Epson Corporation. Active years: 2010-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Satoru Masai. Retrieved from https://idiyas.com/inventor/satoru-masai

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

Calculating rank
USPTO Granted Patents = 6 

% Patents Active = 66.7

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 1(Granted Patents)


Location History:

  • Nagano, JP (2010 - 2011)
  • Ina, JP (2022 - 2023)

Company Filing History:


Years Active: 2010-2026

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6 patents (USPTO):Explore Patents

Title: Satoru Masai: Innovator in Gear Devices and Robotics

Introduction

Satoru Masai is a prominent inventor based in Nagano, Japan. He has made significant contributions to the fields of gear devices and robotics. With a total of 6 patents to his name, Masai continues to push the boundaries of innovation in his industry.

Latest Patents

Masai's latest patents include groundbreaking inventions such as a gear device and a robot. The gear device features an internal gear and a flexible external gear that partially meshes with the internal gear. This design allows for relative rotation around a rotation axis. Additionally, it incorporates a wave generator that interacts with the inner surface of the external gear, facilitating movement in a circumferential direction. The external gear is designed with a cylindrical section that has a polished surface on one end and a lathe-cut surface on the other.

Another notable invention is a gearing system that includes an internal gear and a flexible external gear. This system also utilizes a wave generator to adjust the mesh position between the internal and external gears. The external gear is characterized by an external tooth surface that features a unique convex pattern, enhancing its functionality.

Career Highlights

Satoru Masai is currently employed at Seiko Epson Corporation, where he applies his expertise in developing innovative technologies. His work has garnered attention for its practical applications in various industries.

Collaborations

Masai collaborates with talented individuals such as Yuya Kataoka and Nobuyuki Takehana. Their combined efforts contribute to the advancement of technology in their respective fields.

Conclusion

Satoru Masai is a distinguished inventor whose work in gear devices and robotics exemplifies innovation and creativity. His contributions continue to shape the future of technology, making a lasting impact in the industry.

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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