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For the Inventor, By the Inventor

Yokohama, Japan

Hikotada Tsuboi

This inventor holds 9 USPTO granted patents. Top assignee: Mitsui Toatsu Chemicals, Incorporated. Active years: 1980-1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hikotada Tsuboi. Retrieved from https://idiyas.com/inventor/hikotada-tsuboi

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.9

ph-index = 6

Forward Citations = 127(Granted Patents)


Location History:

  • Kanagawa, JP (1984)
  • Yokohama, JP (1980 - 1985)

Company Filing History:

goldMedal9 out of 1,379 
 
Mitsui Toatsu Chemicals, Incorporated
 patents

Years Active: 1980-1985

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9 patents (USPTO):Explore Patents
1. 4506042 - Curable resin composition comprising N-(alkenylphenyl)maleimide, epoxy (1985-03-19),
2. 4500719 - Process for the preparation of N-alkenylphenylmaleimides and (1985-02-19),
3. 4440920 - Aromatic polyesters (1984-04-03),
4. 4401777 - Curable resin composition comprising N-(alkenylphenyl)maleimide and (1983-08-30),
5. 4400521 - N-Substituted phenyl maleimides (1983-08-23),
6. 4376206 - N-Alkenylphenylmaleimides and N,N'-[alkenylene phenylene]bismaleimides (1983-03-08),
7. 4323662 - Thermosetting resin compositions comprising bismaleimides and (1982-04-06),
8. 4289699 - Process for the production of N-(hydroxyphenyl) maleimides (1981-09-15),
9. 4231934 - Process for the production of N-(hydroxyphenyl) maleimides (1980-11-04),

Title: Hikotada Tsuboi: Innovator in Curable Resin Compositions

Introduction

Hikotada Tsuboi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of curable resin compositions, holding a total of 9 patents. His work focuses on innovative materials that have various applications in manufacturing and industrial processes.

Latest Patents

One of Tsuboi's latest patents involves a curable resin composition that comprises N-(alkenylphenyl)maleimide and epoxy. This composition includes at least one maleimide compound selected from N-(alkenylphenyl)maleimide derivatives, along with one or more kinds of epoxy resins. The resin composition may also contain an amino compound as an additional component. These resin compositions are particularly useful as molding materials, for the fabrication of laminates, and as varnishes, including insulation varnishes and impregnating varnishes. Another notable patent discloses a process for the preparation of N-alkenylphenylmaleimides, featuring novel alkenylphenylmaleimide derivatives with specific structural formulas.

Career Highlights

Hikotada Tsuboi is currently employed at Mitsui Toatsu Chemicals, Incorporated, where he continues to develop innovative materials. His expertise in curable resin compositions has positioned him as a key figure in the industry, contributing to advancements in material science.

Collaborations

Throughout his career, Tsuboi has collaborated with notable colleagues, including Motoo Kawamata and Masayuki Oba. These collaborations have further enhanced his research and development efforts in the field of resin compositions.

Conclusion

Hikotada Tsuboi's contributions to the field of curable resin compositions demonstrate his innovative spirit and commitment to advancing material science. His patents reflect a deep understanding of chemical compositions and their applications in various industries.

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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