Okayama, Japan

Tetsuya Ashida

This inventor holds 13 USPTO granted patents and 6 EPO patents. Top assignees: Kuraray Co., Ltd., Mikasa Corporation. Active years: 1996-2025.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tetsuya Ashida. Retrieved from https://idiyas.com/inventor/tetsuya-ashida-miw1ukiq

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


% Patents Active = 84.6

 

Average Co-Inventor Count = 3.1

ph-index = 5

Forward Citations = 80(Granted Patents)


Location History:

  • Kurashiki, JP (1998 - 1999)
  • Okayama, JP (1996 - 2022)
  • Osaka, JP (2023)

Company Filing History:


Years Active: 1996-2025

Loading Chart...
Loading Chart...
13 patents (USPTO):Explore Patents

Title: Tetsuya Ashida: Innovator in Leather-like Materials

Introduction

Tetsuya Ashida is a prominent inventor based in Okayama, Japan. He has made significant contributions to the field of materials science, particularly in the development of leather-like sheets. With a total of 13 patents to his name, Ashida's work showcases his innovative approach to creating high-quality synthetic materials.

Latest Patents

Among his latest patents, Ashida has developed a grain-finished leather-like sheet that includes a fiber base material and a polyurethane skin film. This skin film is designed to contain specific pigments, such as diketopyrrolopyrrole-based red pigment and α-type phthalocyanine-based blue pigment. The unique construction of this material allows it to achieve a grade of color difference of 4-5 or more when subjected to a staining assessment. Another notable patent involves a grained leather-like sheet that features a polyurethane skin film containing a polyether-based polyurethane and a quinacridone-based red pigment. This invention demonstrates exceptional durability, withstanding over 100,000 cycles in a flexing endurance test.

Career Highlights

Throughout his career, Tetsuya Ashida has worked with notable companies, including Kuraray Co., Ltd. and Mikasa Corporation. His experience in these organizations has allowed him to refine his skills and contribute to advancements in synthetic materials.

Collaborations

Ashida has collaborated with esteemed colleagues such as Hisao Yoneda and Koji Hirai. These partnerships have fostered a creative environment that has led to innovative solutions in the field of materials science.

Conclusion

Tetsuya Ashida's contributions to the development of leather-like materials highlight his innovative spirit and dedication to advancing technology. His patents reflect a commitment to quality and durability, making him a significant figure in the industry.

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]
Loading…