Yokohama, Japan

Taketoshi Shiraishi

This inventor holds 1 USPTO granted patent. Top assignees: Japan Tobacco Inc., Mitsubishi Jukogyo Kabushiki Kaisha. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Taketoshi Shiraishi. Retrieved from https://idiyas.com/inventor/taketoshi-shiraishi

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 = 7.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1996

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1 patent (USPTO):Explore Patents

Title: The Innovative Mind of Taketoshi Shiraishi

Introduction

Taketoshi Shiraishi is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of engineering, particularly with his innovative designs and patents. His work has had a lasting impact on various industries.

Latest Patents

One of Taketoshi Shiraishi's key inventions is a rotary valve apparatus. This apparatus comprises a rotor housing with an inlet and an outlet, and a rotor that is rotatably fitted within the housing. The design features a plurality of pockets arranged at regular intervals on the rotor's outer surface, which connect successively to the inlet and outlet as the rotor rotates. Additionally, the apparatus includes two communication ports that extend from the inlet to the outlet and vice versa, along with pressure equalizing pipes that facilitate pressure equalization cycles. This innovative design enhances the efficiency of fluid movement within the system.

Career Highlights

Throughout his career, Taketoshi Shiraishi has worked with prominent companies such as Japan Tobacco Inc. and Mitsubishi Jukogyo Kabushiki Kaisha. His experience in these organizations has allowed him to refine his skills and contribute to various engineering projects.

Collaborations

Taketoshi has collaborated with talented individuals in his field, including Takashi Ogawa and Kazuo Yoshimoto. These partnerships have fostered innovation and creativity in their respective projects.

Conclusion

Taketoshi Shiraishi's contributions to engineering and his innovative rotary valve apparatus exemplify his dedication to advancing technology. His work continues to inspire future inventors and engineers 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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