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For the Inventor, By the Inventor

Moriyama, Japan

Kazuhiko Shimura

This inventor holds 4 USPTO granted patents. Top assignee: Asahi Kasei Kogyo Kabushiki Kaisha. Active years: 1994-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kazuhiko Shimura. Retrieved from https://idiyas.com/inventor/kazuhiko-shimura-o6wiv9xd

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

Calculating rank
USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 2.9

ph-index = 4

Forward Citations = 30(Granted Patents)


Location History:

  • Nobeoka, JP (1995)
  • Moriyama, JP (1994 - 1996)

Company Filing History:

goldMedal4 out of 1,297 
 
Asahi Kasei Kogyo Kabushiki Kaisha
 patents

Years Active: 1994-1996

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4 patents (USPTO):Explore Patents
1. 5512357 - Polypropylene flexifilamentary fiber containing 0.1 to 10 weight percent (1996-04-30),
2. 5436074 - Polypropylene highly spread plexifilamentary fiber (1995-07-25),
3. 5369165 - Polyolefin solution using halogen group solvents (1994-11-29),
4. 5286422 - Process for producing three-dimensional fiber using a halogen group (1994-02-15),

Title: Kazuhiko Shimura: Innovator in Polypropylene Fiber Technology

Introduction

Kazuhiko Shimura is a prominent inventor based in Moriyama, Japan. He has made significant contributions to the field of polypropylene fiber technology, holding a total of 4 patents. His innovative work focuses on enhancing the properties of fibers for various applications.

Latest Patents

Shimura's latest patents include a polypropylene flexifilamentary fiber that contains 0.1 to 10 weight percent of specific additives. This invention relates to a three-dimensional plexifilamentary fiber characterized by a microwave birefringence of 0.07 or more. The fiber exhibits exceptional dimensional stability under heating, making it suitable for use in heat-resistant wrapping materials, apparel, and engineering materials. Another notable patent is for a polypropylene highly spread plexifilamentary fiber, which also has a microwave birefringence of 0.07 or more. This fiber is spun from a dope composed of isotactic polypropylene and is designed to prevent ozone layer destruction during its manufacturing process.

Career Highlights

Kazuhiko Shimura is associated with Asahi Kasei Kogyo Kabushiki Kaisha, a leading company in the chemical industry. His work has significantly advanced the understanding and application of polypropylene fibers in various sectors.

Collaborations

Throughout his career, Shimura has collaborated with notable coworkers, including Yoshiaki Nakayama and Jinichiro Kato. These collaborations have further enriched his research and development efforts in fiber technology.

Conclusion

Kazuhiko Shimura's innovative contributions to polypropylene fiber technology have established him as a key figure in the field. His patents reflect a commitment to enhancing material properties for practical applications.

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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