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For the Inventor, By the Inventor

Tokyo, Japan

Nichias Corporation


USPTO Granted Patents = 254



Trademarks = 14

Forward Citations = 1,610

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369 inventors (with patents filed for the assignee):

goldMedal Takahiro Niwa (25 out of 25 patents)

silverMedal Kazuhisa Watanabe (15 out of 15 patents)

bronzeMedal Masaaki Nakayama (15 out of 38 patents)

4.  Masaji Kurosawa (13 out of 15 patents)

5.  Yoshifumi Fujita (12 out of 12 patents)

6.  Kazuo Nishimoto (12 out of 12 patents)

7.  Tetsuya Mihara (11 out of 11 patents)

8.  Yoshiyuki Motoyoshi (10 out of 13 patents)

9.  Nobuya Tomosue (10 out of 10 patents)

10.  Isami Abe (9 out of 10 patents)

11.  Ken Yonaiyama (9 out of 9 patents)

12.  Osamu Horiuchi (9 out of 11 patents)

13.  Katsuhiro Yamashita (9 out of 28 patents)

14.  Kanji Hanashima (9 out of 10 patents)

15.  Hiroshi Saito (9 out of 9 patents)


Core Competencies:
Porous Body
Perfluoroelastomer Composition
Dehumidifying Member
Soundproofing Material
Thermally Conductive Cover
Cylinder Head Gasket
Internal Combustion Engine
Crosslinkable Elastomer Composition
Heating Device
Foam
Gasket Manufacturing
Heat-Resistant Roll

254 patents:

1. 12415898 - Porous body (2025-09-16),
2. 12305107 - Perfluoroelastomer composition, cross-linked perfluoroelastomer and molded article (2025-05-20),
3. 12292210 - Dehumidifying member, dehumidifying rotor, and manufacturing method of dehumidifying member (2025-05-06),
4. 12292092 - Shim for disk brakes, and disk brake (2025-05-06),
5. 12135086 - Material for gasket (2024-11-05),
6. 12087262 - Soundproof member (2024-09-10),
7. 11767389 - Crosslinking agent and fluorine-containing aromatic compound (2023-09-26),
8. 11635144 - Multi-layered metal sheet (2023-04-25),
9. 11535004 - Soundproofing material (2022-12-27),
10. 11333216 - Connector (2022-05-17),
11. 11215309 - Heating device and method of heating a heated object using the same (2022-01-04),
12. 11193040 - Coating agent for rubber-coated cylinder head gasket and cylinder head gasket (2021-12-07),
13. 11118651 - Connector (2021-09-14),
14. 11079019 - Material for gasket (2021-08-03),
15. 11077641 - Fireproof construction and method for using same (2021-08-03),
Nichias Corporation is a global company specializing in manufacturing and distribution of high-performance industrial products. With a focus on providing innovative solutions for a wide range of industries, Nichias is committed to quality and sustainability in all aspects of its operations. With a strong expertise in materials science and engineering, Nichias continues to push the boundaries of what is possible in the field of industrial products.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

254 Patents

#263 in Tokyo

#577 in Japan

#3,318 in the World

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Tokyo, Japan

Nichias Corporation

Forward Citations = 1,610

369 inventors:

goldMedal Takahiro Niwa (25 out of 25 patents)

silverMedal Kazuhisa Watanabe (15 out of 15 patents)

bronzeMedal Masaaki Nakayama (15 out of 38 patents)

4.  Masaji Kurosawa (13 out of 15 patents)

5.  Yoshifumi Fujita (12 out of 12 patents)

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