Katsuo Okamoto

This inventor holds 17 USPTO granted patents. Top assignees: Mitsui Petrochemical Industries, Ltd., Tokushu Shikiryo Color & Chemical Inc.. Active years: 1988-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuo Okamoto. Retrieved from https://idiyas.com/inventor/katsuo-okamoto

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

USPTO Granted Patents = 17

% Patents Active = 100.0

Average Co-Inventor Count = 4.1

ph-index = 8

Forward Citations = 152(Granted Patents)

Location History:

Ichihara, JP (1993)
Tokyo, JP (1993)
Funabashi, JP (1988 - 1994)

Company Filing History:

17 out of 1,008

Mitsui Petrochemical Industries, Ltd.

patents

1 out of 1

Tokushu Shikiryo Color & Chemical Inc.

patent

where one patent can have more than one assignee

Years Active: 1988-1994

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17 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5310800 - Thermoplastic elastomer (1994-05-10),

2. 5300581 - Process for producing thermoplastic elastomer (1994-04-05),

3. 5278204 - Heat-resistant rubber compositions (1994-01-11),

4. 5270377 - Thermoplastic resin composition containing graft-modified polyolefin (1993-12-14),

5. 5247018 - Thermoplastic resin of elastomer composition having excellent paint (1993-09-21),

6. 5237010 - Chlorinated ethylene-.alpha.-olefin copolymer rubber and composition (1993-08-17),

7. 5237003 - Thermoplastic resin composition containing graft-modified polyolefin (1993-08-17),

8. 5206305 - Chlorinated ethylene-alpha-olefin copolymer rubber and composition (1993-04-27),

9. 5061572 - Thermoplastic elastomer laminate (1991-10-29),

10. 4908412 - Thermoplastic elastomer composition excellent in heat bondability (1990-03-13),

11. 4897298 - Laminate and molded article prepared therefrom (1990-01-30),

12. 4894289 - Laminate and molded article prepared therefrom (1990-01-16),

13. 4889762 - Molded articles of thermoplastic elastomer (1989-12-26),

14. 4877817 - Chlorinated rubber (1989-10-31),

15. 4818785 - Fine particulate crosslinked amorphous copolymer and preparation and use (1989-04-04),

Title: **Katsuo Okamoto: Innovator in Thermoplastic Elastomers**

Introduction

Katsuo Okamoto, a prominent inventor based in Funabashi, Japan, has made significant contributions to the field of material science with a total of 17 patents. His innovative work focuses primarily on thermoplastic elastomers, which are crucial for various applications in modern industries.

Latest Patents

Okamoto's latest patents reflect his expertise in the development of advanced polymers. One notable invention is a **thermoplastic elastomer** that boasts excellent heat-bondability. This composition is achieved through the dynamic heat treatment of a peroxide-crosslinked olefin copolymer rubber combined with an α,β-unsaturated carboxylic acid or its derivative, all in the presence of an organic peroxide. This innovative approach opens up new possibilities for the use of thermoplastic elastomers in various applications due to their enhanced properties.

Career Highlights

Throughout his career, Okamoto has worked with notable companies such as Mitsui Petrochemical Industries Ltd. and Tokushu Shikiryo Color & Chemical Inc. His work in these organizations has been instrumental in advancing polymer technology and expanding the commercial applications of thermoplastic elastomers.

Collaborations

Katsuo Okamoto has collaborated with several skilled professionals in his field, including Yasuhiko Otawa and Tetsuo Tojo. These partnerships have allowed him to leverage diverse expertise and drive innovative projects that have led to valuable patents and advancements in material applications.

Conclusion

In conclusion, Katsuo Okamoto's significant contributions to the development of thermoplastic elastomers underscore his role as a leading inventor in the field. His collaborations, extensive patent portfolio, and innovative mindset continue to inspire advancements in material science, reflecting the impact of his work on industry and technology.

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]