Okayama, Japan

Tsuyoshi Yamasaki

This inventor holds 10 USPTO granted patents and 4 EPO patents. Top assignees: Kuraray Co., Ltd., Kurray Co., Ltd.. Active years: 1977-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuyoshi Yamasaki. Retrieved from https://idiyas.com/inventor/tsuyoshi-yamasaki

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


% Patents Active = 80.0


Average Co-Inventor Count = 3.3

ph-index = 5

Forward Citations = 145(Granted Patents)


Location History:

  • Kurashiki, JA (1977)
  • Okayama-ken, JP (2004)
  • Kurashiki, JP (2003 - 2012)
  • Okayama, JP (2011 - 2019)

Company Filing History:


Years Active: 1977-2019

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10 patents (USPTO):Explore Patents

Title: Tsuyoshi Yamasaki: Innovator in Artificial Leather Technology

Introduction

Tsuyoshi Yamasaki is a prominent inventor based in Okayama, Japan, known for his significant contributions to the field of artificial leather technology. With a total of 10 patents to his name, Yamasaki has developed innovative materials that enhance the quality and functionality of synthetic leather products.

Latest Patents

Yamasaki's latest patents include groundbreaking advancements in artificial leather and leather-like sheets. One of his notable inventions is an artificial leather that features a base layer composed of bundles of microfine filaments and an elastic polymer. This artificial leather includes a surface layer that satisfies specific criteria for gloss without the need for additional coatings. Another significant patent involves a (semi)grain-finished leather-like sheet made from an entangled nonwoven fabric of three-dimensionally entangled fiber bundles. This invention combines low compression resistance with a dense feel, making it comparable to natural leathers while maintaining practical strength.

Career Highlights

Throughout his career, Tsuyoshi Yamasaki has worked with reputable companies, including Kuraray Co., Ltd. His experience in these organizations has allowed him to refine his expertise in material science and innovation, leading to the development of his patented technologies.

Collaborations

Yamasaki has collaborated with notable coworkers such as Jiro Tanaka and Kimio Nakayama. Their combined efforts have contributed to the advancement of artificial leather technologies and the successful implementation of innovative solutions in the industry.

Conclusion

Tsuyoshi Yamasaki's work in artificial leather technology showcases his dedication to innovation and excellence. His patents reflect a commitment to improving synthetic materials, making significant strides in the field.

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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