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Toray Silicone Company Limited

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USPTO Granted Patents = 219

Forward Citations = 3,470

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127 inventors (with patents filed for the assignee):

Mitsuo Hamada (31 out of 59 patents)

Isao Ona (30 out of 70 patents)

Toshio Suzuki (25 out of 32 patents)

4. Masaru Ozaki (24 out of 51 patents)

5. Koji Shimizu (18 out of 24 patents)

6. Shosaku Sasaki (16 out of 19 patents)

7. Katsutoshi Mine (15 out of 72 patents)

8. Ryuzo Mikami (12 out of 15 patents)

9. Akihiko Shirahata (11 out of 25 patents)

10. Takao Matsushita (9 out of 28 patents)

11. Yoshitsugu Morita (8 out of 116 patents)

12. Miyoji Fukayama (8 out of 11 patents)

13. Toshio Saruyama (8 out of 33 patents)

14. Tadashi Okawa (7 out of 97 patents)

15. Hideki Kobayashi (7 out of 77 patents)

Core Competencies:

Organopolysiloxane

Silicone Adhesive

Fiber-Treatment Agent

Thermosetting Composition

Electroconductive Particles

Release Film

Silicone Gel

Polysiloxane

Curable Composition

Silicone Rubber

Hot-Melt Adhesive

Microemulsion

219 patents: Sort by Forward Citations

1. 5194180 - Ionically conductive material and method for its preparation (1993-03-16),

2. 5145932 - Organopolysiloxane composition for the formation of a release film (1992-09-08),

3. 5124090 - Method for the preparation of silicone gel spheres (1992-06-23),

4. 5110865 - Organopolysiloxane emulsion and method for the preparation thereof (1992-05-05),

5. 5073275 - Fiber-treatment agent (1991-12-17),

6. 5064916 - Organopolysiloxane composition for the formation of a cured release film (1991-11-12),

7. 5064876 - Adhesion promoter method (1991-11-12),

8. 5059669 - Adhesion promoter (1991-10-22),

9. 5045621 - Method for manufacturing an organopolysiloxane in which a polymerizable (1991-09-03),

10. 5045584 - Polish containing silicone elastomer particles (1991-09-03),

11. 5037868 - Vulcanizable rubber composition (1991-08-06),

12. 5036123 - Straight oil composition for fibrous material (1991-07-30),

13. 5036024 - Method of treating a hardened semiconductor resin encapsulated layer (1991-07-30),

14. 5026766 - Hot-bonding silicone adhesive composition (1991-06-25),

15. 5025054 - Polish containing a silicone rubber powder (1991-06-18),

Company Overview

Toray Silicone Company Limited, based in Tokyo, specializes in the development and manufacturing of advanced organopolysiloxane technology. The company focuses on a diverse range of silicone products, including silicone adhesives, fiber-treatment agents, and thermosetting compositions. Its innovative solutions also encompass electroconductive particles, release films, and silicone gels, catering to various industries. With a commitment to research and development, Toray Silicone plays a pivotal role in enhancing material performance and functionality across multiple applications.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

219 Patents

#333 in Tokyo

#667 in Japan

#3,914 in the World

Toray Silicone Company Limited

Forward Citations = 3,470

127 inventors:

Mitsuo Hamada (31 out of 59 patents)

Isao Ona (30 out of 70 patents)

Toshio Suzuki (25 out of 32 patents)

4. Masaru Ozaki (24 out of 51 patents)

5. Koji Shimizu (18 out of 24 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toray Silicone Company Limited. Retrieved from https://idiyas.com/company/toray-silicone-company

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

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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