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For the Inventor, By the Inventor

Takasaki, Japan

Fumio Hosoi

This inventor holds 5 USPTO granted patents. Top assignee: Japan Atomic Energy Institute. Active years: 1978-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Fumio Hosoi. Retrieved from https://idiyas.com/inventor/fumio-hosoi

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

Calculating rank
USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 4

Forward Citations = 19(Granted Patents)


Location History:

  • Takasaki, JP (1978 - 1982)
  • Fujioka, JP (1983)
  • Gunma, JP (1984)

Company Filing History:

goldMedal5 out of 322 
 
Japan Atomic Energy Institute
 patents

Years Active: 1978-1984

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5 patents (USPTO):Explore Patents
1. 4486280 - Self-curing modified epoxy resin composition and aqueous dispersion (1984-12-04),
2. 4405426 - Self-curing irradiated blend of epoxy resin and salt of quaternary amino (1983-09-20),
3. 4393165 - Polymer compositions (1983-07-12),
4. 4316783 - Process for modifying a shaped polyethylene (1982-02-23),
5. 4116784 - Method for cross-linking polyethylene with an ionizing radiation (1978-09-26),

Title: Fumio Hosoi: Innovator in Epoxy Resin Technology

Introduction

Fumio Hosoi is a prominent inventor based in Takasaki, Japan. He has made significant contributions to the field of epoxy resin technology, holding a total of five patents. His innovative work focuses on self-curing modified epoxy resin compositions, which have various applications in the industry.

Latest Patents

Fumio Hosoi's latest patents include a self-curing modified epoxy resin composition and an aqueous dispersion. The first patent discloses a self-curing epoxy resin composition produced by irradiating a mixture of 85 to 97 wt % of an epoxy resin and 3 to 15 wt % of a quaternary alkyl ammonium salt of α,β-unsaturated carboxylic acid or a neutralized product of such acid and a tertiary amine. The second patent describes a self-curing modified epoxy resin composition created by irradiating a mixture of an epoxy resin, a quaternary salt of α,β-unsaturated carboxylic acid ester, and optionally a monomer with one ethylenically unsaturated bond.

Career Highlights

Fumio Hosoi is affiliated with the Japan Atomic Energy Research Institute, where he continues to advance his research and development in epoxy resin technology. His work has garnered attention for its innovative approach to creating self-curing materials that enhance performance and usability.

Collaborations

Fumio has collaborated with notable coworkers, including Miyuki Hagiwara and Takashi Sasaki. Their combined expertise has contributed to the successful development of new materials and technologies in the field.

Conclusion

Fumio Hosoi's contributions to epoxy resin technology exemplify the spirit of innovation and dedication to advancing material science. His patents reflect a commitment to creating effective and efficient solutions in the 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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