Tamano, Japan

Shuji Ishihara

This inventor holds 1 USPTO granted patent. Top assignee: Other. Active years: 2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shuji Ishihara. Retrieved from https://idiyas.com/inventor/shuji-ishihara-ttrr0r8t

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 = 1(Granted Patents)


Company Filing History:

goldMedal1 out of 834,601 
Other
 patents

Years Active: 2021

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1 patent (USPTO):Explore Patents

Title: Innovations of Shuji Ishihara

Introduction

Shuji Ishihara is a notable inventor based in Tamano, Japan. He has made significant contributions to the field of valve technology, particularly with his innovative designs that enhance efficiency and longevity.

Latest Patents

Ishihara holds a patent for an annular valve and valve body designed to optimize the sealing surface. This innovation effectively suppresses pressure loss in gas around the sealing surface, thereby extending the service life of the annular valve. The patent describes a valve seat formed in a plate-like shape with passage flow channels that have an arcuate opening cross-section. It also includes a receiving plate with discharge flow channels, arranged to face the valve seat through an intermediate chamber. The valve body, shaped to correspond with the arcuate passage flow channel, can open and close the channel as it contacts or separates from the valve seat. Additionally, spring members supported by the receiving plate bias the valve body toward the valve seat, ensuring effective sealing.

Career Highlights

Throughout his career, Ishihara has focused on developing technologies that improve the functionality of valves. His work has been instrumental in addressing common issues related to pressure loss in gas flow systems.

Collaborations

Ishihara has collaborated with notable colleagues, including Hirofumi Himei and Kazuhiro Shimizu, to further advance his innovations in valve technology.

Conclusion

Shuji Ishihara's contributions to valve technology through his patent for an annular valve demonstrate his commitment to innovation and efficiency in engineering. His work continues to influence the industry and improve the performance of gas flow systems.

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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