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For the Inventor, By the Inventor

Otake, Japan

Atsunori Koshirai

This inventor holds 12 USPTO granted patents. Top assignees: Mitsubishi Rayon Company, Limited, Mistubishi Rayon Co., Ltd.. Active years: 1993-2014.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Atsunori Koshirai. Retrieved from https://idiyas.com/inventor/atsunori-koshirai

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

Calculating rank
USPTO Granted Patents = 12

% Patents Active = 100.0

Average Co-Inventor Count = 2.7

ph-index = 5

Forward Citations = 59(Granted Patents)


Location History:

  • Otake, JP (1993 - 2005)
  • Toyama, JP (2008 - 2014)

Company Filing History:

goldMedal11 out of 1,357 
 
Mitsubishi Rayon Company, Limited
 patents
silverMedal1 out of 4 
 
Mistubishi Rayon Co., Ltd.
 patents

Years Active: 1993-2014

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12 patents (USPTO):Explore Patents
1. 8729205 - Flowability improver for engineering plastics, thermoplastic resin compositions containing the same and molded articles of the compositions (2014-05-20),
2. 7351766 - Thermoplastic resin composition and engineering plastic composition (2008-04-01),
3. 6890991 - Thermoplastic resin composition (2005-05-10),
4. 6852798 - Polycarbonate-based thermoplastic resin composition and process for producing the same (2005-02-08),
5. 6344493 - Melt tension improver for polyolefin resins and process for producing the same (2002-02-05),
6. 6025441 - Polytetrafluoroethylene-containing powder mixture, thermoplastic resin (2000-02-15),
7. 5391648 - Polyorganosiloxane graft copolymers (1995-02-21),
8. 5334656 - Polyester resin compositions (1994-08-02),
9. 5322881 - Thermoplastic resin compositions (1994-06-21),
10. 5288817 - Polyarylene sulfide resin compositions (1994-02-22),
11. 5288798 - Polyarylene sulfide resin compositions (1994-02-22),
12. 5179144 - Polyester resin compositions (1993-01-12),

Title: Innovations by Atsunori Koshirai

Introduction

Atsunori Koshirai is a prominent inventor based in Otake, Japan. He has made significant contributions to the field of engineering plastics, holding a total of 12 patents. His work focuses on improving the properties and processability of thermoplastic resin compositions.

Latest Patents

Koshirai's latest patents include a flowability improver for engineering plastics. This innovative product comprises a polymer that includes aromatic vinyl monomer units, (meth)acrylate monomer units, and other monomer units. The flowability improver enhances melt-flow characteristics and chemical resistance without compromising heat resistance, exfoliation resistance, and transparency. Another notable patent is the thermoplastic resin composition that is graft polymerized to improve fluidity while maintaining the essential characteristics of engineering plastics. This composition is particularly useful in various applications, including housings and parts for OA equipment, telecommunications equipment, and home appliances.

Career Highlights

Throughout his career, Koshirai has worked with notable companies such as Mitsubishi Rayon Company, Limited and Mitsubishi Rayon Co., Ltd. His experience in these organizations has contributed to his expertise in the development of advanced materials.

Collaborations

Koshirai has collaborated with esteemed colleagues, including Naoki Yamamoto and Akira Nakata. These partnerships have fostered innovation and the exchange of ideas in the field of engineering plastics.

Conclusion

Atsunori Koshirai's contributions to the field of engineering plastics through his patents and collaborations highlight his role as a significant inventor. His work continues to influence the development of advanced materials in various industries.

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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