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For the Inventor, By the Inventor

Ohtake, Japan

Yasunori Kawachi

This inventor holds 9 USPTO granted patents. Top assignees: Mitsubishi Rayon Company, Limited, Shin-Etsu Chemical Co., Ltd.. Active years: 1982-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasunori Kawachi. Retrieved from https://idiyas.com/inventor/yasunori-kawachi

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

Calculating rank
USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.7

ph-index = 6

Forward Citations = 94(Granted Patents)


Location History:

  • Otake, JP (1987)
  • Ohtake, JP (1982 - 1994)

Company Filing History:

goldMedal9 out of 1,357 
 
Mitsubishi Rayon Company, Limited
 patents
silverMedal1 out of 5,989 
 
Shin-Etsu Chemical Co., Ltd.
 patents
where one patent can have more than one assignee

Years Active: 1982-1994

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9 patents (USPTO):Explore Patents
1. 5338804 - Methacrylic resin cast plate having transparency and impact resistance, (1994-08-16),
2. 5169903 - Methacrylic resin cast plate having transparency and impact resistance (1992-12-08),
3. 4690986 - Impact-resistant thermoplastic polyorganosiloxane-based graft copolymer (1987-09-01),
4. 4673688 - Partial amine salts of EDTA as blood anticoagulant (1987-06-16),
5. 4639339 - Sulfonated polyethyleneimine useful as blood anticoagulant (1987-01-27),
6. 4528330 - Resin composition usable without being coated (1985-07-09),
7. 4526929 - Resin composition usable without being coated (1985-07-02),
8. 4351921 - Resin composition for use in uncoated exterior material (1982-09-28),
9. 4347203 - Process for producing acrylic fiber (1982-08-31),

Title: Yasunori Kawachi: Innovator in Methacrylic Resin Technology

Introduction

Yasunori Kawachi is a prominent inventor based in Ohtake, Japan. He has made significant contributions to the field of materials science, particularly in the development of methacrylic resin technologies. With a total of 9 patents to his name, Kawachi's work has had a lasting impact on various industries.

Latest Patents

One of Kawachi's latest patents is a methacrylic resin cast plate that boasts both transparency and impact resistance. This innovative cast plate is composed of 100 parts by weight of polymethyl methacrylate or a methyl methacrylate copolymer containing at least 90% by weight of methyl methacrylate units. It also includes a graft copolymer obtained by graft-polymerizing a hard resin component onto a crosslinked rubbery copolymer. The resulting material exhibits high transparency and exceptional impact resistance, making it suitable for a variety of applications.

Career Highlights

Throughout his career, Yasunori Kawachi has worked with notable companies such as Mitsubishi Rayon Company, Limited and Shin-Etsu Chemical Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer chemistry and materials engineering.

Collaborations

Kawachi has collaborated with esteemed colleagues, including Akira Yanagase and Kazuo Kishida. These partnerships have contributed to the advancement of his research and the successful development of innovative materials.

Conclusion

Yasunori Kawachi's contributions to methacrylic resin technology highlight his role as a leading inventor in the field. His innovative patents and collaborations continue to influence the industry and pave the way for future advancements.

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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