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For the Inventor, By the Inventor

Otsu, Japan

Toshiyuki Asakura

This inventor holds 7 USPTO granted patents. Top assignee: Toray Industries, Inc.. Active years: 1976-1987.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toshiyuki Asakura. Retrieved from https://idiyas.com/inventor/toshiyuki-asakura

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

USPTO Granted Patents = 7

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 7

Forward Citations = 298(Granted Patents)


Location History:

  • Otsu, JA (1976)
  • Ohtsu, JP (1984)
  • Otsu, JP (1978 - 1987)

Company Filing History:

goldMedal7 out of 3,578 
 
Toray Industries, Inc.
 patents

Years Active: 1976-1987

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7 patents (USPTO):Explore Patents
1. 4645702 - Magnetic recording medium (1987-02-24),
2. 4486578 - Stabilized polyphenylene sulfide and method for producing same (1984-12-04),
3. 4470944 - Process for producing an aromatic polyimide film (1984-09-11),
4. 4440915 - Stabilized polyphenylene sulfide and method for producing same (1984-04-03),
5. 4286018 - Biaxially oriented poly-p-phenylene sulfide films (1981-08-25),
6. 4112187 - Magnetic recording medium supported on aromatic polyamide (1978-09-05),
7. 3966686 - Aromatic polyamide-type films (1976-06-29),

Title: Innovations of Toshiyuki Asakura

Introduction

Toshiyuki Asakura is a prominent inventor based in Otsu, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced magnetic recording media and stabilized polyphenylene sulfide. With a total of 7 patents to his name, Asakura's work has had a substantial impact on technology and industry.

Latest Patents

One of his latest patents is for a magnetic recording medium. This invention comprises a film of an aromatic polyamide that contains at least 50 mole % of recurring units. The medium features a high-performance magnetic layer of a metal or metal compound that is vacuum-deposited on the aromatic polyamide film. This design reduces dimensional change and is free from curling or breakage due to elongation, making it suitable for high-density magnetic recording.

Another notable patent is for a stabilized polyphenylene sulfide. This material includes a recurring unit where the average n between foreign units is greater than about 5. It also contains about 0.05 to 10 mole % per phenylene sulfide unit of an aromatic constituent that is chemically bonded with the polyphenylene sulfide chain. This stabilized polyphenylene sulfide has a melting point ranging from about 250°C to about 350°C, showcasing its potential for various applications.

Career Highlights

Toshiyuki Asakura is currently employed at Toray Industries, Inc., a leading company in advanced materials. His work at Toray has allowed him to focus on innovative solutions that enhance the performance of materials used in various industries. His contributions have been recognized within the company and the broader scientific community.

Collaborations

Asakura has collaborated with notable colleagues, including Hiroaki Kobayashi and Yukio Noguchi. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Toshiyuki Asakura's contributions to the field of materials science through his patents and work at Toray Industries, Inc. highlight his role as a key innovator. His inventions continue to influence advancements in technology and materials.

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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