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Dow Corning Toray Company, Ltd.

Calculating rank

USPTO Granted Patents = 252

% Expired Patents = 35.7

CIPO Patents = 1

EPO Patents = 184

Forward Citations = 884

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259 inventors (with patents filed for the assignee):

Yoshitsugu Morita (36 out of 116 patents)

Tomohiro Iimura (33 out of 45 patents)

Haruhiko Furukawa (29 out of 77 patents)

4. Makoto Yoshitake (27 out of 69 patents)

5. Seiki Tamura (24 out of 30 patents)

6. Seiji Hori (21 out of 36 patents)

7. Tomoko Kato (20 out of 27 patents)

8. Tatsuo Souda (16 out of 20 patents)

9. Akito Hayashi (15 out of 20 patents)

10. Michitaka Suto (14 out of 40 patents)

11. Tadashi Okawa (14 out of 97 patents)

12. Hiroji Enami (11 out of 30 patents)

13. Hiroshi Ueki (11 out of 27 patents)

14. Sayuri Sawayama (10 out of 10 patents)

15. Takashi Sagawa (10 out of 10 patents)

Core Competencies:

Silicone Composition

Optical Device

Cosmetic Formulation

Curable Silicone

Organopolysiloxane

Thermally Conductive

Grease Composition

Hydrophilic Organosilanes

Hot-Melt Silicone

Dendrimer Structure

Liquid Organopolysiloxane

Transducer Applications

252 patents: Sort by Forward Citations

1. 11162045 - Grease composition and sliding member coated therewith (2021-11-02),

2. 10406092 - Method for producing transparent or semi-transparent liquid glycerin-derivative-modified silicone composition (2019-09-10),

3. 10336913 - Curable silicone composition, cured product thereof, and optical semiconductor device (2019-07-02),

4. 10294441 - Coating composition for lubricating coating film (2019-05-21),

5. 10208164 - Curable silicone composition, curable hot-melt silicone, and optical device (2019-02-19),

6. 10174170 - Method for producing liquid high-purity polyhydric alcohol derivative-modified silicone or composition thereof (2019-01-08),

7. 10172779 - Copolymer having carbosiloxane dendrimer structure and composition and cosmetic containing the same (2019-01-08),

8. 10155852 - Silicone gel composition (2018-12-18),

9. 10150902 - Thermally conductive silicone composition and electrical/electronic apparatus (2018-12-11),

10. 10130579 - Cosmetic material (2018-11-20),

11. 10125242 - Organosilicon compound, curable silicone composition, and semiconductor device (2018-11-13),

12. 10113037 - Silicone surfactant, W/O emulsion composition, powder composition, and cosmetic/medical application thereof (2018-10-30),

13. 10085928 - Diglycerin derivate-modified silicone, emulsifier for water-in-oil emulsion using the same, external use preparaton, and cosmetic composition (2018-10-02),

14. 10077339 - Curable organopolysiloxane composition, and protective-agent or adhesive-agent composition for electrical/electronic components (2018-09-18),

15. 10072151 - Room-temperature-curable silicone rubber composition, and the use thereof (2018-09-11),

Company Overview

Dow Corning Toray Company, Ltd., based in Tokyo, specializes in the development and manufacturing of advanced silicone compositions. The company focuses on a diverse range of applications, including optical devices, cosmetic formulations, and thermally conductive materials. With expertise in curable silicones and organopolysiloxanes, it serves various industries by providing innovative solutions that enhance product performance and functionality. The company's commitment to research and development positions it as a leader in silicone technology.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

252 Patents

#305 in Tokyo

#605 in Japan

#3,451 in the World

Dow Corning Toray Company, Ltd.

Forward Citations = 884

259 inventors:

Yoshitsugu Morita (36 out of 116 patents)

Tomohiro Iimura (33 out of 45 patents)

Haruhiko Furukawa (29 out of 77 patents)

4. Makoto Yoshitake (27 out of 69 patents)

5. Seiki Tamura (24 out of 30 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dow Corning Toray Company, Ltd.. Retrieved from https://idiyas.com/company/dow-corning-toray-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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