Aichi, Japan

Tamotsu Watanabe

This inventor holds 5 USPTO granted patents and 1 published patent application. Top assignees: Toyoda Gosei Co., Ltd., Other. Active years: 2003-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tamotsu Watanabe. Retrieved from https://idiyas.com/inventor/tamotsu-watanabe-dlb0msfa

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

USPTO Granted Patents = 5 

% Patents Active = 60.0

Average Co-Inventor Count = 4.6

ph-index = 3

Forward Citations = 25(Granted Patents)


Location History:

  • Aichi, JP (2003)
  • Aichi-ken, JP (2004 - 2013)

Company Filing History:


Years Active: 2003-2013

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5 patents (USPTO):Explore Patents

Title: Tamotsu Watanabe: Innovator in Weather Strip Technology

Introduction

Tamotsu Watanabe is a notable inventor based in Aichi-ken, Japan. He has made significant contributions to the field of automotive components, particularly in the development of weather strips. With a total of five patents to his name, Watanabe's work has had a considerable impact on vehicle design and functionality.

Latest Patents

Watanabe's latest patents include a method of producing a weather strip and a glass run. The method of producing a weather strip involves an extrusion step for shaping non-vulcanized and non-foamed rubber, followed by a coating step that applies a treatment liquid containing sulfur compounds. This process culminates in a vulcanizing and foaming step that creates a skin layer and a sponge layer, enhancing the weather strip's performance. The glass run patent describes a design that includes a main body portion and a pair of seal lips, integrating vehicle exterior and interior side molded members to prevent relative movement, thereby improving the sealing efficiency.

Career Highlights

Throughout his career, Watanabe has worked with Toyoda Gosei Co., Ltd., where he has honed his skills in automotive component innovation. His experience in this leading company has allowed him to develop advanced technologies that address the needs of modern vehicles.

Collaborations

Watanabe has collaborated with notable colleagues such as Masatoshi Hotta and Mitsumasa Matsushita. Their combined expertise has contributed to the successful development of innovative automotive solutions.

Conclusion

Tamotsu Watanabe's contributions to the automotive industry through his patents and collaborations highlight his role as a key innovator in weather strip technology. His work continues to influence vehicle design and functionality, ensuring better performance and reliability in automotive applications.

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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