Fukuroi, Japan

Tamotsu Fujii

This inventor holds 7 USPTO granted patents. Top assignees: Nsk-Warner K.k., Aisin Aw Co., Ltd., Aisin Aw Industries Co., Ltd.. Active years: 2005-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tamotsu Fujii. Retrieved from https://idiyas.com/inventor/tamotsu-fujii

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 42.9

Average Co-Inventor Count = 4.6

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Hamamatsu, JP (2005 - 2007)
  • Shizuoka-ken, JP (2007)
  • Fukuroi, JP (2008 - 2009)

Company Filing History:


Years Active: 2005-2009

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7 patents (USPTO):Explore Patents

Title: The Innovations of Tamotsu Fujii

Introduction

Tamotsu Fujii is a notable inventor based in Fukuroi, Japan. He has made significant contributions to the field of mechanical engineering, particularly in the development of torque converter technologies. With a total of 7 patents to his name, Fujii's work has had a lasting impact on automotive engineering.

Latest Patents

Fujii's latest patents include a lock-up clutch mechanism and a lock-up mechanism for torque converters. The lock-up clutch mechanism provides a solution for engaging a friction material with a front cover, ensuring efficient torque transfer. The design features a friction surface with a protruded area that enhances engagement when urged in an axial direction. His lock-up mechanism for torque converters also incorporates a friction liner and an engaging surface, which includes a circumferential groove to improve functionality.

Career Highlights

Throughout his career, Tamotsu Fujii has worked with prominent companies such as NSK-Warner K.K. and Aisin AW Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the automotive sector.

Collaborations

Fujii has collaborated with talented individuals in his field, including Kenji Maruo and Hideaki Takabayashi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Tamotsu Fujii's contributions to the field of mechanical engineering, particularly in torque converter technology, highlight his innovative spirit and dedication to advancing automotive engineering. His patents and collaborations reflect a commitment to excellence in his work.

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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