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For the Inventor, By the Inventor

Tokyo, Japan

Shin-Etsu Polymer Co., Ltd.

Calculating rank
USPTO Granted Patents = 323

% Expired Patents = 16.4


Trademarks = 3

Forward Citations = 3,719

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269 inventors (with patents filed for the assignee):

goldMedal Ryoichi Sado (26 out of 26 patents)

silverMedal Toshiyuki Kawaguchi (25 out of 26 patents)

bronzeMedal Kazuyoshi Yoshida (24 out of 24 patents)

4.  Kazutoki Tahara (23 out of 24 patents)

5.  Osamu Ogawa (18 out of 40 patents)

6.  Sou Matsubayashi (16 out of 16 patents)

7.  Tailu Ning (16 out of 16 patents)

8.  Yasushi Masahiro (14 out of 28 patents)

9.  Hitoshi Ando (13 out of 30 patents)

10.  Satoshi Odashima (12 out of 12 patents)

11.  Akio Nakamura (12 out of 12 patents)

12.  Takao Shimizu (11 out of 11 patents)

13.  Hiroshi Mimura (11 out of 12 patents)

14.  Tsutomu Saga (11 out of 11 patents)

15.  Hiroto Komatsu (10 out of 11 patents)


Core Competencies:
Conductive Polymer Dispersion
Substrate Storage Container
Heat Dissipating Structure
Antistatic Film
Push-Button Switch
Electrical Connector
Multilayer Sheet
Pressure-Sensitive Sensor
Electromagnetic Shielding
Conductive Film
Laser Irradiation
Sponge Roller

323 patents:

1. 12525477 - Substrate storage container (2026-01-13),
2. 12497536 - Anticorrosion structure and manufacturing method therefor (2025-12-16),
3. 12489007 - Substrate storage container (2025-12-02),
4. 12451384 - Substrate storage container (2025-10-21),
5. 12416098 - Method of manufacturing diamond substrate (2025-09-16),
6. 12374736 - Heat radiation structure, and battery provided with same (2025-07-29),
7. 12347710 - Storage container and manufacturing method of the same (2025-07-01),
8. D1070793 - Push-button switch member (2025-04-14),
9. 12266778 - Multilayer sheet and cell unit therewith (2025-04-01),
10. 12187528 - Substrate storage container (2025-01-07),
11. 12176231 - Substrate storage container (2024-12-24),
12. 12122577 - Substrate storage container (2024-10-22),
13. 12040469 - Heat dissipating structure and battery provided with the same (2024-07-16),
14. 12034139 - Heat dissipating structure and battery provided with the same (2024-07-09),
15. 12001037 - Light control filter (2024-06-04),
Company Overview
Shin-Etsu Polymer Co., Ltd., based in Tokyo, specializes in the development and manufacturing of conductive polymers. The company focuses on innovative solutions such as conductive polymer dispersion, heat dissipating structures, and antistatic films. Their expertise extends to creating advanced components like push-button switches, electrical connectors, multilayer sheets, and pressure-sensitive sensors. With a commitment to enhancing electronic applications, Shin-Etsu Polymer plays a significant role in the conductive materials sector, catering to diverse industries.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 27 2026

Shin-Etsu Polymer Co., Ltd. USPTO Patent Assignee Logo
323 Patents

#265 in Tokyo

#515 in Japan

#2,794 in the World

Tokyo, JP
Tokyo, Japan

Shin-Etsu Polymer Co., Ltd.

Forward Citations = 3,719

269 inventors:

goldMedal Ryoichi Sado (26 out of 26 patents)

silverMedal Toshiyuki Kawaguchi (25 out of 26 patents)

bronzeMedal Kazuyoshi Yoshida (24 out of 24 patents)

4.  Kazutoki Tahara (23 out of 24 patents)

5.  Osamu Ogawa (18 out of 40 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Shin-Etsu Polymer Co., Ltd.. Retrieved from https://idiyas.com/company/shin-etsu-polymer-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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