Susono, Japan

Tamotsu Kamiya

This inventor holds 3 USPTO granted patents. Top assignees: Toyota Jidosha Kabushiki Kaisha, Aisin Seiki Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha. Active years: 1979-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tamotsu Kamiya. Retrieved from https://idiyas.com/inventor/tamotsu-kamiya-b4b948n0

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 = 3.2

ph-index = 3

Forward Citations = 36(Granted Patents)


Location History:

  • Kariya, JP (1979)
  • Susono, JP (1989 - 1994)

Company Filing History:


Years Active: 1979-1994

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3 patents (USPTO):Explore Patents

Title: Inventor Tamotsu Kamiya: A Pioneer in Engine Technology

Introduction

Tamotsu Kamiya, an accomplished inventor based in Susono, Japan, has made significant contributions to the field of engine technology. With a total of three patents to his name, Kamiya's work showcases his innovative spirit and dedication to improving automotive performance and reliability.

Latest Patents

Kamiya's latest innovations include two notable patents that address critical challenges in engine design. The first patent is a "Balancer Apparatus for Engine," which is designed to suppress engine vibrations. This balancer apparatus incorporates a helical drive gear that rotates in conjunction with the crankshaft. The system features a first driven helical gear, which is driven by the drive gear, and a second driven helical gear powered by the first. The design includes support shafts to carry each driven gear and its accompanying weight, all encased in a protective housing.

The second patent is for a "Self-contained Type Automatic Belt Tensioner," aimed at adjusting the tension of an engine's timing belt in automobiles. This innovative tensioner includes a body, a plunger that moves within the body, and a reservoir chamber located inside the plunger. It features a pressure chamber, a rod member fixed to the plunger, an elastic diaphragm, a check valve for fluid flow regulation, and a return spring that biases the plunger. Together, these components enhance the efficiency and operation of automotive engine systems.

Career Highlights

Throughout his career, Tamotsu Kamiya has been affiliated with notable companies such as Toyota Motor Corporation and Aisin Seiki Co., Ltd. His work with these industry leaders has allowed him to develop and refine his inventions, contributing to advancements in automotive engineering.

Collaborations

Kamiya has worked alongside esteemed colleagues, including Makoto Ishikawa and Yoshio Okabe. Their collaboration has facilitated the exchange of innovative ideas and encouraged the development of technologies that address real-world challenges in the automotive sector.

Conclusion

Tamotsu Kamiya stands out as a prolific inventor whose patents reflect a commitment to enhancing engine performance and reliability. With his innovative approach and collaborative spirit, he continues to contribute to the evolution of automotive technology, leaving a lasting impact on 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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