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For the Inventor, By the Inventor

Ikaruga, Japan

Hiroshi Sakamoto

This inventor holds 2 USPTO granted patents. Top assignee: Dainippon Ink and Chemicals, Incorporated. Active years: 1989-1995.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Sakamoto. Retrieved from https://idiyas.com/inventor/hiroshi-sakamoto-irnlp9br

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

Calculating rank
USPTO Granted Patents = 2

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 2

Forward Citations = 20(Granted Patents)


Location History:

  • Nara, JP (1989)
  • Ikaruga, JP (1995)

Company Filing History:

goldMedal2 out of 630 
 
Dainippon Ink and Chemicals, Incorporated
 patents

Years Active: 1989-1995

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2 patents (USPTO):Explore Patents
1. 5393823 - Coating resin composition (1995-02-28),
2. 4818791 - Resin composition for use in powder paint (1989-04-04),

Title: Hiroshi Sakamoto: Innovator in Coating Resin Technology

Introduction

Hiroshi Sakamoto is a notable inventor based in Ikaruga, Japan. He has made significant contributions to the field of coating resin technology, holding a total of 2 patents. His work focuses on innovative compositions that enhance the performance and application of coatings.

Latest Patents

Sakamoto's latest patents include a coating resin composition and a resin composition for use in powder paint. The coating resin composition comprises a vinyl polymer obtained by polymerizing specific vinyl monomers and a curing agent that reacts with generated hydroxyl groups. The resin composition for powder paint includes a polyester resin with both carboxyl and hydroxyl groups, along with various vinyl monomers and a blocked isocyanate, formulated in precise weight ratios.

Career Highlights

Hiroshi Sakamoto is currently employed at Dainippon Ink and Chemicals, Incorporated. His work at this company has allowed him to develop and refine his innovative resin compositions, contributing to advancements in the coating industry.

Collaborations

Sakamoto has collaborated with notable coworkers, including Hirofumi Takeda and Haruhiko Murakami. These collaborations have fostered a creative environment that encourages the development of cutting-edge technologies in resin applications.

Conclusion

Hiroshi Sakamoto's contributions to coating resin technology exemplify the impact of innovation in industrial applications. His patents reflect a commitment to enhancing material performance and functionality.

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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