Toyohashi, Japan

Tokan Okawa

This inventor holds 1 USPTO granted patent. Top assignee: Teisaku Corporation. Active years: 1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tokan Okawa. Retrieved from https://idiyas.com/inventor/tokan-okawa

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 = 2.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1995

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1 patent (USPTO):Explore Patents

Title: The Innovative Contributions of Tokan Okawa

Introduction

Tokan Okawa is a notable inventor based in Toyohashi, Japan. He has made significant contributions to the field of engineering, particularly through his innovative designs and patents. His work exemplifies the spirit of invention and the pursuit of technological advancement.

Latest Patents

Tokan Okawa holds a patent for an impact device. This device includes a cylinder and a plunger that is received within the cylinder and is movable in both forward and rearward directions. The plunger features a first and a second pressure receiving surface that receives pressure from a pressurized fluid, applying force to the plunger in both directions. Additionally, an extra pressure receiving surface is formed on the plunger to receive pressure from the fluid, applying force in the same direction as one of the first and second surfaces. A first control device is operable to selectively apply pressure to this additional surface, enhancing the device's functionality.

Career Highlights

Throughout his career, Tokan Okawa has been associated with Teisaku Corporation, where he has further developed his innovative ideas. His work at the company has allowed him to explore various engineering challenges and create solutions that have practical applications in the industry.

Collaborations

Tokan Okawa has collaborated with Shigeki Asakura, a fellow innovator. Their partnership has fostered a creative environment that encourages the development of new ideas and technologies.

Conclusion

Tokan Okawa's contributions to the field of engineering through his patent for an impact device highlight his innovative spirit and dedication to advancing technology. His work continues to inspire future inventors and engineers.

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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