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For the Inventor, By the Inventor

Kakegawa, Japan

Tadashi Watanabe

This inventor holds 5 USPTO granted patents. Top assignees: Nsk-Warner K.k., Nsk Corporation. Active years: 2000-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tadashi Watanabe. Retrieved from https://idiyas.com/inventor/tadashi-watanabe-gnhvo7tj

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 80.0

Average Co-Inventor Count = 4.3

ph-index = 4

Forward Citations = 32(Granted Patents)


Location History:

  • Shizuoka-ken, JP (2000)
  • Kakegawa, JP (2002 - 2005)

Company Filing History:

goldMedal5 out of 368 
 
Nsk-Warner K.k.
 patents
silverMedal1 out of 2,469 
 
Nsk Corporation
 patents
where one patent can have more than one assignee

Years Active: 2000-2005

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5 patents (USPTO):Explore Patents
1. 6978874 - Starting clutch (2005-12-27),
2. 6849024 - Starting clutch and method of controlling the same (2005-02-01),
3. 6648117 - Starting clutch and method for controlling same (2003-11-18),
4. 6381822 - Method and apparatus for manufacturing friction plate (2002-05-07),
5. 6109406 - Lockup piston with a damper (2000-08-29),

Title: Innovations of Tadashi Watanabe

Introduction

Tadashi Watanabe is a notable inventor based in Kakegawa, Japan. He has made significant contributions to the field of engineering, particularly in the development of starting clutches. With a total of 5 patents to his name, Watanabe's work showcases his innovative approach to mechanical design.

Latest Patents

Watanabe's latest patents include a groundbreaking design for a starting clutch. In this invention, he omits the need for an electrical pump or engine pump, instead utilizing a simple construction to create a substitutive pump mechanism. This design allows for the circulation of lubricating oil within the starting clutch, enhancing its efficiency. Additionally, he has developed a method of controlling the starting clutch, which incorporates a planetary mechanism and multiple clutches to effectively manage torque output.

Career Highlights

Throughout his career, Watanabe has worked with prominent companies such as NSK Warner K.K. and NSK Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Watanabe has collaborated with talented individuals in the field, including Hiroshi Yabe and Yoshio Kinoshita. These partnerships have fostered a creative environment that has led to the development of advanced technologies.

Conclusion

Tadashi Watanabe's contributions to the field of engineering, particularly in the area of starting clutches, highlight his innovative spirit and dedication to improving mechanical systems. His patents reflect a commitment to efficiency and simplicity in design.

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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