Chiba, Japan

Hiroshi Oikawa

This inventor holds 2 USPTO granted patents. Top assignee: Dainippon Ink and Chemicals, Incorporated. Active years: 1978-1981.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroshi Oikawa. Retrieved from https://idiyas.com/inventor/hiroshi-oikawa-v6r1k3y4

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 = 3.4

ph-index = 2

Forward Citations = 42(Granted Patents)


Location History:

  • Chiba, JA (1978)
  • Chiba, JP (1981)

Company Filing History:


Years Active: 1978-1981

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2 patents (USPTO):Explore Patents

Title: Hiroshi Oikawa: Innovator in Photocurable Resin Technologies

Introduction

Hiroshi Oikawa is a notable inventor based in Chiba, Japan. He has made significant contributions to the field of photocurable resin technologies. With a total of 2 patents to his name, Oikawa's work has had a considerable impact on the industry.

Latest Patents

Oikawa's latest patents include a novel compound, 5-(2,5-Dioxotetrahydrofuryl)-3-methyl-3-cyclohexene-1,2-dicarboxylic anhydride. This tetracarboxylic acid dianhydride is particularly useful as a curing agent for epoxy resins. Another significant patent involves a photocurable resin composition that combines an unsaturated polyester resin with various components, including a polymerizable vinyl monomer and a photopolymerization initiator. This innovative composition promotes radical polymerization through light irradiation.

Career Highlights

Hiroshi Oikawa is currently employed at Dainippon Ink and Chemicals, Incorporated. His work at this company has allowed him to explore and develop advanced materials that enhance the performance of resin compositions. His expertise in this area has positioned him as a key figure in the field.

Collaborations

Oikawa has collaborated with notable coworkers, including Nagao Ariga and Hiroshi Maeda. These partnerships have contributed to the successful development of his innovative technologies.

Conclusion

Hiroshi Oikawa's contributions to photocurable resin technologies demonstrate his commitment to innovation and excellence in the field. His patents reflect a deep understanding of material science and its applications in industry.

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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