Kyoto, Japan

Isao Ishikawa

This inventor holds 5 USPTO granted patents. Top assignees: Sanyo Chemical Industries, Ltd., Toyota Jidosha Kabushiki Kaisha. Active years: 1977-1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Isao Ishikawa. Retrieved from https://idiyas.com/inventor/isao-ishikawa-w918xmeb

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 4

Forward Citations = 68(Granted Patents)


Location History:

  • Takatsuki, JA (1977)
  • Ohtsu, JP (1989 - 1990)
  • Kyoto, JP (1992 - 1999)

Company Filing History:


Years Active: 1977-1999

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5 patents (USPTO):Explore Patents

Title: Isao Ishikawa: Innovator in Polymer Chemistry

Introduction

Isao Ishikawa, a distinguished inventor from Kyoto, Japan, is known for his significant contributions to the field of polymer chemistry. With a remarkable portfolio of five patents, his work has had a substantial impact on the production and application of polyurethane materials.

Latest Patents

Ishikawa's latest patents include innovations such as a water-absorbent resin dispersion and a polyurethane composition. One notable patent details the process for producing polyurethane moldings that exhibit excellent physical properties along with a high receptivity for electrostatic coating. This process involves the precise reaction of a polyoxyethylene chain-containing polyether polyol with specific hydroxyl characteristics, combined with diaminotoluene and a low-molecular-weight polyol. This method is particularly advantageous for injection reaction molding applications.

Career Highlights

Throughout his career, Isao Ishikawa has been associated with leading companies such as Sanyo Chemical Industries and Toyota Motor Corporation. His expertise has enabled him to innovate and refine processes that enhance the performance and functionality of polyurethane products.

Collaborations

Ishikawa has collaborated with esteemed colleagues, including Tsuyoshi Tomosada and Masahiro Matsuoka. These partnerships have further propelled advancements in the technologies surrounding polyurethane and other polymer materials.

Conclusion

Isao Ishikawa stands as a prominent figure in the realm of innovations, particularly in polymer chemistry. His patents reflect a commitment to advancing material science, and his collaborative efforts continue to influence the industry. As his career progresses, the impact of his work will undoubtedly resonate within the field for years to come.

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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