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For the Inventor, By the Inventor

Kyoto, Japan

Takeo Saegusa

This inventor holds 8 USPTO granted patents. Top assignees: Sumitomo Chemical Company, Limited, Daikin Kogyo Co., Ltd., Daikin Industries, Ltd.. Active years: 1980-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takeo Saegusa. Retrieved from https://idiyas.com/inventor/takeo-saegusa

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

USPTO Granted Patents = 8

% Patents Active = 100.0

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 67(Granted Patents)


Location History:

  • Tojiin Kitamachi, Kita-ku, Kyoto, JP (1985)
  • Kyoto, JP (1980 - 1991)

Company Filing History:

goldMedal3 out of 6,960 
 
Sumitomo Chemical Company, Limited
 patents
silverMedal2 out of 213 
 
Daikin Kogyo Co., Ltd.
 patents
bronzeMedal1 out of 4,487 
 
Daikin Industries, Ltd.
 patents
4. 1 out of 1,858 
 
Takeda Chemical Industries, Inc.
 patents
5. 1 out of 394 
 
Unitika Ltd.
 patents
6. 1 out of 834,453 
Other
 patents
where one patent can have more than one assignee

Years Active: 1980-1991

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8 patents (USPTO):Explore Patents
1. 5001207 - Polyether-polyamide block copolymer and polyether prepolymer (1991-03-19),
2. 4958005 - Fluorine-containing compositions and process for preparing the same from (1990-09-18),
3. 4792603 - Method of producing a polyether prepolymer (1988-12-20),
4. 4585835 - Polymer compositions (1986-04-29),
5. 4540747 - Block copolymer (1985-09-10),
6. 4297449 - Production of crosslinked polymers using an oxazoline derivative (1981-10-27),
7. 4250300 - Fluorine-containing polyesters, and their production and use (1981-02-10),
8. 4182846 - Fluorine-containing copolymers, and their production and use (1980-01-08),

Title: Takeo Saegusa: Innovator in Polyether-Polyamide Technologies

Introduction

Takeo Saegusa is a prominent inventor based in Kyoto, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the development of polyether-polyamide block copolymers. With a total of 8 patents to his name, Saegusa's work has had a lasting impact on various industrial applications.

Latest Patents

Among his latest patents, Saegusa has developed a polyether-polyamide block copolymer that features an ethylenically unsaturated group. This innovation enhances heat stability while maintaining the excellent characteristics inherent to polyether-polyamide materials. Additionally, he has created a fluorine-containing composition that includes a polyfluoroaliphatic group, showcasing his expertise in advanced chemical formulations.

Career Highlights

Saegusa has worked with notable companies such as Sumitomo Chemical Company, Limited and Daikin Kogyo Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking research in polymer technology.

Collaborations

Throughout his career, Saegusa has collaborated with esteemed colleagues, including Yoshiyuki Sano and Akira Yamada. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.

Conclusion

Takeo Saegusa's contributions to polymer chemistry and his innovative patents reflect his dedication to advancing the field. His work continues to influence the industry and inspire future innovations.

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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