Kitaibaraki, Japan

Takehiro Sonoi

This inventor holds 18 USPTO granted patents and 3 EPO patents, primarily in Fluoropolymer Chemistry. Top assignees: Nippon Mektron Limited, Unimatec Co., Ltd. Active years: 1989-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takehiro Sonoi. Retrieved from https://idiyas.com/inventor/takehiro-sonoi

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


% Patents Active = 88.9

 

Average Co-Inventor Count = 3.0

ph-index = 5

Forward Citations = 64(Granted Patents)


Location History:

  • Ohtsu, JP (1989)
  • Ibaraki, JP (1997 - 2010)
  • Kitaibaraki, JP (1989 - 2019)

Company Filing History:


Years Active: 1989-2019

Loading Chart...
Loading Chart...
Areas of Expertise:
Fluoropolymer
Diblock Copolymer
Fluorinated Elastomers
Macroinitiator
Fluoroether
Fluorinated Rubber
Hexafluoroacetone
Bisaminothiophenol
Curing Process
Fluorinated Compounds
Crosslinkable Composition
Production Process
18 patents (USPTO):Explore Patents

Title: Takehiro Sonoi: Innovator in Fluorine-Containing Polymers

Introduction

Takehiro Sonoi is a prominent inventor based in Kitaibaraki, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of fluorine-containing materials. With a total of 18 patents to his name, Sonoi's work has advanced the understanding and application of these specialized compounds.

Latest Patents

Sonoi's latest patents include a fluorine-containing diblock copolymer that exhibits excellent water and oil repellency. This innovation utilizes a fluorine-containing (meth)acrylic ester with low bioaccumulation potential as a raw material. The production process involves either polymerizing the fluorine-containing ester in the presence of a trithiocarbonic ester compound and a radical polymerization initiator, or the reverse process. Another notable patent is for a fluorine-containing macroinitiator, which facilitates the production of a fluorine-containing block copolymer that incorporates a non-fluorine vinyl-based monomer with a long side chain.

Career Highlights

Throughout his career, Takehiro Sonoi has worked with notable companies such as Nippon Mektron Limited and Unimatec Co., Ltd. His experience in these organizations has allowed him to refine his expertise in polymer development and innovation.

Collaborations

Sonoi has collaborated with esteemed colleagues, including Haruyoshi Tatsu and Satoru Saito. These partnerships have contributed to the advancement of his research and the successful development of his patented technologies.

Conclusion

Takehiro Sonoi's contributions to the field of polymer chemistry, particularly in fluorine-containing materials, have established him as a leading inventor. His innovative patents and collaborations reflect his commitment to advancing technology in this specialized area.

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]
Loading…