Kakogawa, Japan

Toshihiko Oonishi

This inventor holds 4 USPTO granted patents. Top assignees: Hirotec Corporation, Nippon Air Brake, Nippon Air Brake Co., Ltd.. Active years: 1990-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshihiko Oonishi. Retrieved from https://idiyas.com/inventor/toshihiko-oonishi

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 = 3.7

ph-index = 3

Forward Citations = 20(Granted Patents)


Company Filing History:


Years Active: 1990-1991

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4 patents (USPTO):Explore Patents

Title: Innovations by Toshihiko Oonishi

Introduction

Toshihiko Oonishi is a notable inventor based in Kakogawa, Japan. He has made significant contributions to the field of engineering, particularly in the development of coupling devices and flow passage coupling units. With a total of 4 patents to his name, Oonishi's work reflects a commitment to innovation and efficiency.

Latest Patents

Oonishi's latest patents include a coupling device designed to enhance the functionality of piping systems. This device features a first coupling section with a large bore, a small bore, and a valve seat positioned between them. The second coupling section has a bore that opens at a contact surface opposing the first section. A valve, which includes a valve head that normally rests on the valve seat, is integrated into the design. Additionally, a drain passage is provided along the small bore, ensuring effective drainage.

Another significant invention is the flow passage coupling unit, which facilitates the connection and disconnection of pipings, particularly in tooling die exchangers of press or former machines. This unit minimizes the overall size of the main body while ensuring consistent action in coupling the flow passages. The design incorporates a slide valve that is actuated for communication and discommunication between flow paths, showcasing Oonishi's innovative approach to engineering challenges.

Career Highlights

Throughout his career, Toshihiko Oonishi has worked with prominent companies such as Hirotec Corporation and Nippon Air Brake Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced engineering solutions.

Collaborations

Oonishi has collaborated with notable colleagues, including Katsumi Tomioka and Noboru Otsuki. These partnerships have likely fostered a creative environment that encourages innovation and the sharing of ideas.

Conclusion

Toshihiko Oonishi's contributions to engineering through his patents and collaborations highlight his role as a significant inventor in the field. His innovative designs continue to influence the industry and pave the way for future advancements.

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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