Takahagi, Japan

Yuichi Yamamoto

This inventor holds 11 USPTO granted patents. Top assignees: Nippon Mektron Limited, Nok Corporation, The Central Synthetic Rubbers Research Institute. Active years: 1993-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yuichi Yamamoto. Retrieved from https://idiyas.com/inventor/yuichi-yamamoto-zi1k003n

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 = 2.7

ph-index = 5

Forward Citations = 111(Granted Patents)


Location History:

  • Kitaibaraki, JP (1993)
  • Ibaraki, JP (1997)
  • Takahagi, JP (1993 - 1999)

Company Filing History:


Years Active: 1993-1999

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11 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Yuichi Yamamoto

Introduction

Yuichi Yamamoto is a prominent inventor based in Takahagi, Japan. He has made significant contributions to the field of elastomer technology, holding a total of 11 patents. His work focuses on developing advanced materials with enhanced properties for various applications.

Latest Patents

One of his latest patents is a fluorine-containing elastomer composition. This elastomer comprises vinylidene fluoride, tetrafluoroethylene, and hexafluoropropylene, boasting a high fluorine content of at least 68% by weight. It can be vulcanized with a polyol-based cross-linking agent by further copolymerizing 2H-pentafluoropropylene into the elastomer. The resulting vulcanization products exhibit improved characteristics, including enhanced rheological properties, normal state physical properties, and reduced compression set. Additionally, the vulcanization products obtained through this method demonstrate excellent permeation resistance to fuel oil, as evidenced by tests using a mixed solvent of gasoline and methanol in a volume ratio of 85/15. Another notable patent involves a fluorine-containing copolymer composition, which features a novel terpolymer of tetrafluoroethylene, perfluoro(methylvinylether), and 1,1,3,3,3-pentafluoropropene. This composition, combined with a dialkali metal salt of a bisphenol compound, results in a vulcanization product with a low compression set.

Career Highlights

Throughout his career, Yuichi Yamamoto has worked with several notable organizations, including Nippon Mektron Limited and the Central Synthetic Rubbers Research Institute. His expertise in elastomer technology has positioned him as a key figure in the development of innovative materials.

Collaborations

Yuichi has collaborated with esteemed colleagues such as Haruyoshi Tatsu and Akihiro Naraki. Their combined efforts have contributed to advancements in the field of elastomer research and development.

Conclusion

Yuichi Yamamoto's innovative work in elastomer technology has led to significant advancements in material properties and applications. His contributions continue to influence the industry and inspire future research in this vital area.

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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