Anjo, Japan

Hiroshii Tsutsui

This inventor holds 1 USPTO granted patent. Top assignee: Aisin Aw Co., Ltd.. Active years: 1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshii Tsutsui. Retrieved from https://idiyas.com/inventor/hiroshii-tsutsui

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 = 4.0

ph-index = 1

Forward Citations = 10(Granted Patents)


Company Filing History:


Years Active: 1998

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1 patent (USPTO):Explore Patents

Title: Hiroshii Tsutsui: Innovator in Automatic Transmission Control

Introduction

Hiroshii Tsutsui is a notable inventor based in Anjo, Japan. He has made significant contributions to the field of automatic transmission technology. His innovative approach has led to the development of a unique control apparatus that optimizes hydraulic pressure application in transmission mechanisms.

Latest Patents

Hiroshii Tsutsui holds 1 patent for his invention titled "Control apparatus for automatic transmissions." This patent focuses on optimizing the application hydraulic pressure of friction application elements within the transmission mechanism. The invention aims to reduce unnecessary load on each member by employing multiple friction application elements that operate simultaneously to achieve the designated gear stage. The control apparatus includes an information detecting means, an input torque calculating means, and a supply means that ensures the hydraulic pressure supplied to each hydraulic servo is independently calculated for each friction application element.

Career Highlights

Hiroshii Tsutsui is associated with Aisin Aw Co., Ltd., where he has been instrumental in advancing automatic transmission technologies. His work has not only improved the efficiency of transmission systems but has also contributed to the overall performance of vehicles.

Collaborations

Hiroshii has collaborated with notable coworkers such as Kazumasa Tsukamoto and Masahiro Hayabuchi. Their combined expertise has fostered innovation and development in the automotive sector.

Conclusion

Hiroshii Tsutsui's contributions to automatic transmission technology exemplify the impact of innovative thinking in engineering. His patent for a control apparatus showcases his commitment to enhancing vehicle performance through advanced hydraulic 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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