Katsuta, Japan

Tsunehisa Terayama

This inventor holds 3 USPTO granted patents. Top assignee: Hitachi Koki Co., Ltd.. Active years: 1989-1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsunehisa Terayama. Retrieved from https://idiyas.com/inventor/tsunehisa-terayama

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 = 5.4

ph-index = 3

Forward Citations = 104(Granted Patents)


Company Filing History:


Years Active: 1989-1993

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3 patents (USPTO):Explore Patents

Title: Tsunehisa Terayama: Innovator in Combustion Gas Powered Tools

Introduction

Tsunehisa Terayama is a notable inventor based in Katsuta, Japan. He has made significant contributions to the field of combustion gas powered tools, holding a total of 3 patents. His innovative designs focus on enhancing the efficiency and safety of tools used in various applications.

Latest Patents

One of Terayama's latest inventions is a combustion gas powered tool that features a cylindrical combustion chamber with a movable piston. This design allows for the generation of a mixture of air and fuel, which is burned to drive the piston effectively. Another significant patent is for a combustion gas powered fastener driving tool. This tool includes strategically placed inlet and outlet openings that ensure the air-fuel mixture is fully trapped until combustion occurs. This design prevents the outflow of unburnt mixtures, enhancing fuel consumption rates and minimizing the risk of accidental explosions, especially in poorly ventilated areas. Additionally, an electric fan is incorporated to force fresh air into the combustion chamber, ensuring durability and reliability.

Career Highlights

Tsunehisa Terayama is associated with Hitachi Koki Co., Ltd., a company known for its innovative tools and equipment. His work has contributed to the advancement of combustion technology in the tool industry, making significant strides in both performance and safety.

Collaborations

Throughout his career, Terayama has collaborated with notable colleagues, including Toshifumi Kubota and Hiromu Utsumi. These collaborations have fostered an environment of innovation and creativity, leading to the development of cutting-edge tools.

Conclusion

Tsunehisa Terayama's contributions to the field of combustion gas powered tools highlight his innovative spirit and dedication to improving tool efficiency and safety. His patents reflect a commitment to advancing technology in practical applications.

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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