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For the Inventor, By the Inventor

Tokyo, Japan

Daicel-Evonik Ltd.


USPTO Granted Patents = 30

% Expired Patents = 3.3


Trademarks = 2

Forward Citations = 61

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27 inventors (with patents filed for the assignee):

goldMedal Mitsuteru Mutsuda (22 out of 30 patents)

silverMedal Hiroaki Arita (9 out of 22 patents)

bronzeMedal Yoshiki Nakaie (7 out of 8 patents)

4.  Hajime Komada (7 out of 14 patents)

5.  Toru Ikuta (6 out of 13 patents)

6.  Toshihiko Fujinaka (5 out of 5 patents)

7.  Takayuki Uno (3 out of 6 patents)

8.  Tatsuki Akashi (3 out of 3 patents)

9.  Naoki Wakita (3 out of 6 patents)

10.  Hirofumi Iguchi (3 out of 3 patents)

11.  Toshiaki Nakamura (2 out of 40 patents)

12.  Haruhisa Masuda (1 out of 24 patents)

13.  Yuki Adachi (1 out of 6 patents)

14.  Nao Sato (1 out of 3 patents)

15.  Tomohiro Kawahara (1 out of 1 patent)


Core Competencies:
Curable Resin
Composite Member
Fiber-Reinforced Resin
Polyamide Particles
Water-Soluble Matrix
Molded Article
Light-Resistant Resin
Flame Retardant
Functional Lens
Thermoplastic Resin
Film Sealant
Composite Dispersion

30 patents:

1. 12071572 - Curable resin composition, use thereof, and production method thereof (2024-08-27),
2. 12012532 - Curable resin composition, composite member, and production method therefor (2024-06-18),
3. 11953650 - Sheet and method for producing sheet (2024-04-09),
4. 11940640 - Polarizing sheet and polarizing lens provided with same (2024-03-26),
5. 11859058 - Method for producing resin particles (2024-01-02),
6. 11766850 - Laminate (2023-09-26),
7. 11673162 - Composite molded body and production method therefor (2023-06-13),
8. 11407864 - Fiber-reinforced resin, process for producing same, and molded article (2022-08-09),
9. 11142613 - Polyamide particles, production process therefor, resin composition, and molded article (2021-10-12),
10. 11066529 - Water-soluble matrix, pre-molded article containing resin particles, and method for producing resin particles (2021-07-20),
11. 10750815 - Sheet for shoe sole and shoe sole including the same (2020-08-25),
12. 10519338 - Laminar resin powder and paint containing same (2019-12-31),
13. 10370509 - Fiber-reinforced resin, process for producing same, and molded article (2019-08-06),
14. 10316181 - Fiber-reinforced resin and method for producing same, and molded article (2019-06-11),
15. 10246586 - Light-resistance improver (2019-04-02),
Company Overview
Daicel-Evonik Ltd. is a collaborative venture based in Tokyo, Japan, specializing in advanced materials and chemical solutions. The company focuses on the development and manufacturing of high-performance polymers and additives that cater to various industries, including automotive, electronics, and healthcare. With a strong emphasis on innovation, Daicel-Evonik leverages cutting-edge research to enhance product performance and sustainability, positioning itself as a key player in the global materials market.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

30 Patents

#1,062 in Tokyo

#2,307 in Japan

#21,912 in the World

Tokyo, JP
Tokyo, Japan

Daicel-Evonik Ltd.

Forward Citations = 61

27 inventors:

goldMedal Mitsuteru Mutsuda (22 out of 30 patents)

silverMedal Hiroaki Arita (9 out of 22 patents)

bronzeMedal Yoshiki Nakaie (7 out of 8 patents)

4.  Hajime Komada (7 out of 14 patents)

5.  Toru Ikuta (6 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Daicel-Evonik Ltd.. Retrieved from https://idiyas.com/company/daicel-evonik

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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