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Riken Technos Corporation

USPTO Granted Patents = 83

% Expired Patents = 7.2

EPO Patents = 50

Trademarks = 8

Forward Citations = 198

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72 inventors (with patents filed for the assignee):

Taketo Hashimoto (18 out of 18 patents)

Nozomu Washio (17 out of 17 patents)

Michihisa Tasaka (12 out of 19 patents)

4. Motohiro Shimizu (10 out of 12 patents)

5. Kohei Nakashima (6 out of 8 patents)

6. Hitomi Inomata (5 out of 5 patents)

7. Jun Fujimoto (5 out of 70 patents)

8. Hidemasa Sugimoto (5 out of 5 patents)

9. Tomohiro Takahashi (4 out of 63 patents)

10. Shigekazu Ito (4 out of 4 patents)

11. Toshimi Yamanaka (4 out of 6 patents)

12. Masataka Mori (3 out of 9 patents)

13. Yasuhiro Itagaki (3 out of 4 patents)

14. Hideaki Yambe (3 out of 3 patents)

15. Shoko Nakajima (3 out of 3 patents)

Core Competencies:

Thermoplastic Resin

Hard Coat Film

Adhesive Film

Multilayer Film

Active Energy Curable Resin

Flake-like Material

Anti-Glare Coating

Electrical Wire Molded Body

Decorative Sheet

Scratch-Resistant Film

Heat-Shielding Film

Extrusion Molded Article

83 patents: Sort by Forward Citations

1. 12662729 - Composite film manufacturing method and organic/inorganic hybrid film manufacturing method (2026-06-23),

2. 12528965 - Active energy curable resin composition, hard coat laminated film, and film for application to glass (2026-01-20),

3. 12459818 - Method for manipulating flake-like material and method for producing article containing flake-like material (2025-11-04),

4. 12043775 - Adhesive film (2024-07-23),

5. 11987692 - Thermoplastic resin compositions, adhesive coating materials, and laminates using the same (2024-05-21),

6. 11774166 - Door body (2023-10-03),

7. 11773229 - Hard coat laminated film (2023-10-03),

8. 11655347 - Organic-inorganic hybrid membrane (2023-05-23),

9. 11639428 - Hardcoat multilayer film (2023-05-02),

10. 11549031 - Coating material for forming matte hard coat, and decorative sheet using same (2023-01-10),

11. 11512194 - Thermoplastic resin composition for wire-coating and heat resistant wire (2022-11-29),

12. 11512176 - Anti-glare hard coat laminated film (2022-11-29),

13. 11466111 - Coating material for formation of matte hard coat, and decorative sheet using same (2022-10-11),

14. 11465323 - Method for producing multilayer film (2022-10-11),

15. 11459489 - Pressure-sensitive adhesive and articles including same (2022-10-04),

Riken Technos Corporation, headquartered in Tokyo, specializes in the development and manufacturing of advanced thermoplastic resin compositions. The company focuses on a diverse range of products, including hard coat films, adhesive films, and multilayer films, which are essential in various industrial applications. Riken Technos is also known for its innovations in active energy curable resins, flake-like materials, and anti-glare coatings, contributing significantly to sectors such as electronics and automotive engineering.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

83 Patents

#610 in Tokyo

#1,269 in Japan

#9,133 in the World

Riken Technos Corporation

Forward Citations = 198

72 inventors:

Taketo Hashimoto (18 out of 18 patents)

Nozomu Washio (17 out of 17 patents)

Michihisa Tasaka (12 out of 19 patents)

4. Motohiro Shimizu (10 out of 12 patents)

5. Kohei Nakashima (6 out of 8 patents)

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