Annaka, Japan

Hirofumi Kishita

USPTO Granted Patents = 74 

 

Average Co-Inventor Count = 3.6

ph-index = 12

Forward Citations = 472(Granted Patents)

Forward Citations (Not Self Cited) = 439(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Gunma, JP (1994)
  • Usui-gun, JP (1998 - 2003)
  • Matsuida-machi, JP (1996 - 2004)
  • Takasaki, JP (2005)
  • Gunma-ken, JP (1996 - 2012)
  • Annaka, JP (1980 - 2014)

Company Filing History:


Years Active: 1980-2014

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Areas of Expertise:
Fluorooxyalkylene Polymers
Fluorine-Containing Compositions
Surface Treatment Agents
Perfluoropolyether Compounds
Organopolysiloxane
Curable Rubber Compositions
Anti-Reflection Films
Fluorinated Organosilicon Compounds
Optical Coatings
Silicone Coatings
Polymer Electrolyte Membranes
74 patents (USPTO):Explore Patents

Title: Hirofumi Kishita: Innovator in Fluoropolymer Technologies

Introduction

Hirofumi Kishita, based in Annaka, Japan, is a prominent inventor known for his contributions to the field of polymer chemistry. With an impressive portfolio of 74 patents, his work primarily focuses on developing advanced fluoropolymer compositions that are crucial for various industrial applications.

Latest Patents

Kishita's recent innovations include several significant patents. One notable patent is for a fluorooxyalkylene group-containing polymer composition, which outlines a new surface treatment agent enhanced by the inclusion of a one-terminal modified polymer and a both-terminal modified polymer. This innovation allows for improved performance characteristics in treated articles. Another key patent is a fluorine-containing curable composition, known for its reduced viscosity and exceptional properties such as heat resistance and mechanical strength. This composition involves a straight chain fluorine-containing polymer and specific organosilicon compounds, positioning it as a valuable material in the manufacturing of durable rubber products.

Career Highlights

Throughout his career, Kishita has worked with reputable companies including Shin-Etsu Chemical Co., Ltd. and Shin-Etsu Chemical Company Co., Ltd. His tenure at these organizations underscores his commitment to advancing polymer technology and his role as an industry leader in research and development.

Collaborations

Kishita has collaborated with notable individuals in his field, including his coworkers Noriyuki Koike and Shinichi Sato. These partnerships have contributed to the depth and breadth of his work, helping to refine innovations that make significant impacts in various applications of polymer science.

Conclusion

Hirofumi Kishita's innovative approach to polymer chemistry and his extensive patent portfolio exemplify his dedication to advancing technology in the materials science sector. His contributions, particularly in fluoropolymer compositions, continue to influence the industry and provide solutions for high-performance applications.

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