Nishi, Japan

Hitoshi Tsuihiji

This inventor holds 1 USPTO granted patent. Top assignee: Kawasaki Jukogyo Kabushiki Kaisha. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hitoshi Tsuihiji. Retrieved from https://idiyas.com/inventor/hitoshi-tsuihiji

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 = 3.0

ph-index = 1

Forward Citations = 7(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: Hitoshi Tsuihiji - Innovator in Screw Pump Technology.

Introduction

Hitoshi Tsuihiji is a notable inventor based in Nishi, Japan. He has made significant contributions to the field of pump technology, particularly with his innovative screw pump design. His work has garnered attention for its unique approach to fluid movement and efficiency.

Latest Patents

Hitoshi Tsuihiji holds a patent for a screw pump that features a screw assembly within a sleeve. This assembly includes a drive screw with protruding threaded sides and multiple driven screws with concave threaded sides that mesh closely with the drive screw. This design creates a series of sealed chambers, enhancing the pump's efficiency. Additionally, the screw pump incorporates channels formed in the circumferential direction around the driven screws. These channels allow the final sealed chamber, adjacent to the discharge port, to partially communicate with the port shortly before it fully opens.

Career Highlights

Hitoshi Tsuihiji is associated with Kawasaki Jukogyo Kabushiki Kaisha, a prominent company in the engineering and manufacturing sector. His work at Kawasaki has allowed him to develop and refine his innovative screw pump technology, contributing to advancements in fluid dynamics.

Collaborations

Hitoshi has collaborated with notable colleagues, including Atsushi Shimomura and Yasuo Hirooka. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Hitoshi Tsuihiji's contributions to screw pump technology exemplify his dedication to innovation in engineering. His patent and collaborative efforts highlight the importance of teamwork in advancing technological solutions.

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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