Ichinomiya, Japan

Shinji Miyakawa

This inventor holds 9 USPTO granted patents. Top assignees: Tokai Rubber Industries, Ltd., Toyota Jidosha Kabushiki Kaisha, Tokai Chmical Industries, Ltd.. Active years: 1989-2006.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Shinji Miyakawa. Retrieved from https://idiyas.com/inventor/shinji-miyakawa

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


% Patents Active = 77.8

Average Co-Inventor Count = 1.8

ph-index = 4

Forward Citations = 98(Granted Patents)


Location History:

  • Inuyama, JP (1989)
  • Komaki, JP (1991)
  • Kasugai, JP (1994)
  • Ichinomiya, JP (2003 - 2006)

Company Filing History:


Years Active: 1989-2006

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9 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Shinji Miyakawa

Introduction

Shinji Miyakawa is a notable inventor based in Ichinomiya, Japan. He has made significant contributions to the field of materials engineering, particularly in the development of polyurethane products. With a total of 9 patents to his name, Miyakawa's work has had a substantial impact on various industries.

Latest Patents

Miyakawa's latest patents include a process for producing a polyurethane-foam product molded integrally with an insert. This innovative process allows for the creation of a molded body that includes a substrate and a polyurethane-foam molded body. The substrate is placed in an expansion-molding mold, where a fine groove-shaped polyurethane-foam relief groove and a polyurethane-foam adjuster are formed. This design enables better control of the pressure within the mold cavity, eliminating the need for a deflashing operation.

Another significant patent is the soundproofing cover for vehicles. This cover is designed to absorb noise produced by vehicles and is fastened to various installation points on the vehicle. Composed of a polymer foamed substance, the cover includes multiple brackets that enhance its installation accuracy while minimizing weight. This innovation meets the lightweighting requirements essential in modern vehicle design.

Career Highlights

Throughout his career, Shinji Miyakawa has worked with prominent companies such as Tokai Rubber Industries, Ltd. and Toyota Motor Corporation. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking projects in the automotive and materials sectors.

Collaborations

Miyakawa has collaborated with talented individuals in his field, including Yoshikazu Tsukamoto and Michio Ito. These partnerships have fostered a creative environment that has led to the development of innovative solutions in materials engineering.

Conclusion

Shinji Miyakawa's contributions to the field of polyurethane products and soundproofing technologies demonstrate his innovative spirit and dedication to engineering excellence. His patents reflect a commitment to improving product functionality and performance in various 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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