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For the Inventor, By the Inventor

Ube, Japan

Yasuyuki Hiromoto

This inventor holds 5 USPTO granted patents. Top assignees: Ube Cycon, Ltd., General Electric Company. Active years: 1992-1997.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuyuki Hiromoto. Retrieved from https://idiyas.com/inventor/yasuyuki-hiromoto

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

USPTO Granted Patents = 5

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 2

Forward Citations = 8(Granted Patents)


Location History:

  • Yamaguchi, JP (1992 - 1995)
  • Ube, JP (1994 - 1997)

Company Filing History:

goldMedal3 out of 7 
 
Ube Cycon, Ltd.
 patents
silverMedal2 out of 52,395 
 
General Electric Company
 patents

Years Active: 1992-1997

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5 patents (USPTO):Explore Patents
1. 5668201 - Flame retardant graft copolymer composition (1997-09-16),
2. 5610235 - High gloss graft copolymer blend containing emulsion graft copolymer and (1997-03-11),
3. 5418289 - Process for producing a thermoplastic resin composition and a graft (1995-05-23),
4. 5352738 - Method for production of thermoplastic resin composition and graft (1994-10-04),
5. 5137933 - Foamable resin composition (1992-08-11),

Title: Yasuyuki Hiromoto: Innovator in Thermoplastic Compositions

Introduction

Yasuyuki Hiromoto is a notable inventor based in Ube, Japan. He has made significant contributions to the field of thermoplastic compositions, holding a total of 5 patents. His work focuses on enhancing the properties of materials used in various applications, particularly in flame retardancy and impact strength.

Latest Patents

One of Hiromoto's latest patents is a flame retardant graft copolymer composition. This thermoplastic composition exhibits desired levels of viscosity, dart impact strength, and flame retardancy. It includes a bulk vinyl aromatic-vinyl cyanide-rubber graft copolymer, an emulsion vinyl aromatic-vinyl cyanide-rubber graft copolymer, and a flame retardant containing a halogenated epoxy compound. These compositions are particularly useful for creating molded articles that require high levels of flame retardancy and impact strength.

Another significant patent is the high gloss graft copolymer blend, which combines emulsion graft copolymer with other components. This thermoplastic composition showcases high gloss, reduced viscosity, and desirable levels of dart impact strength while minimizing opacity. The blend consists of a bulk vinyl aromatic-vinyl cyanide-rubber graft copolymer, an emulsion vinyl aromatic-vinyl cyanide-rubber graft copolymer, and both high and low molecular weight vinyl aromatic-vinyl cyanide rigid copolymers. These compositions are ideal for producing molded articles that demand high gloss and impact strength.

Career Highlights

Yasuyuki Hiromoto has worked with prominent companies such as Ube Cycon, Ltd. and General Electric Company. His experience in these organizations has allowed him to develop innovative solutions in the field of thermoplastics.

Collaborations

Hiromoto has collaborated with notable coworkers, including Hideo Goto and Hiroyuki Toh. Their combined expertise has contributed to the advancement of thermoplastic technologies.

Conclusion

Yasuyuki Hiromoto is a distinguished inventor whose work in thermoplastic compositions has led to significant advancements in material properties. His patents reflect a commitment to innovation and practical 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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