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Chitose-Shi, Hokkaido, Japan

Dynax Corporation

USPTO Granted Patents = 28

EPO Patents = 6

Trademarks = 2

Forward Citations = 243

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53 inventors (with patents filed for the assignee):

Norio Takakura (8 out of 9 patents)

Masao Watanabe (3 out of 3 patents)

Ryuichi Saito (3 out of 3 patents)

4. Yuzuru Sanbongi (3 out of 3 patents)

5. Ryo Ohashi (2 out of 2 patents)

6. Kenichi Takezaki (2 out of 2 patents)

7. Jin Takahashi (2 out of 2 patents)

8. Ximeng Jiang (2 out of 2 patents)

9. Kazuhito Mukai (2 out of 2 patents)

10. Takao Shibuya (2 out of 2 patents)

11. Kirtland P Clark (2 out of 16 patents)

12. Athanasios Karydas (2 out of 23 patents)

13. Han Zhi-peng (2 out of 2 patents)

14. Satoshi Kawai (2 out of 2 patents)

15. Eduard K Kleiner (2 out of 18 patents)

28 patents: Sort by Forward Citations

1. 10731712 - Friction plate (2020-08-04),

2. 10502269 - Friction plate (2019-12-10),

3. 10122223 - Axial gap motor (2018-11-06),

4. 7980376 - Wet friction plate (2011-07-19),

5. 7235226 - Method for generating hydrogen gas utilizing activated aluminum fine particles (2007-06-26),

6. 7234580 - Method for optimizing groove structure of friction plate of wet type friction engagement apparatus (2007-06-26),

7. 7200954 - Method for drying and storing activated aluminum fine particles (2007-04-10),

8. 7008609 - Method for producing hydrogen gas utilizing mechano-corrosive reaction (2006-03-07),

9. 7005177 - Hard-faced friction mating member (2006-02-28),

10. 6976567 - Lubricating and cooling structure of wet type friction engagement apparatus (2005-12-20),

11. 6932036 - Electromagnetic brake cooling structure of phase variable device in car engine (2005-08-23),

12. 6676868 - Method of manufacturing a separator for a polymer electrolyte fuel cell (2004-01-13),

13. 6135256 - Wet friction disc clutch (2000-10-24),

14. 6121168 - Wet type paper friction material with combined improved friction (2000-09-19),

15. 5993733 - Method of manufacturing sintered synchronizing ring (1999-11-30),

Dynax Corporation is a global technology company specializing in advanced electronics and innovative solutions. With a strong focus on research and development, Dynax offers a wide range of products and services across various industries. Our expertise includes semiconductor manufacturing, display technologies, telecommunications equipment, and renewable energy solutions. By delivering cutting-edge technology and fostering collaborative partnerships, we aim to drive sustainable growth and create value for our customers and stakeholders worldwide.

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Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

28 Patents

#1 in Chitose-Shi, Hokkaido

#2,359 in Japan

#22,547 in the World

Chitose-Shi, Hokkaido, Japan

Dynax Corporation

Forward Citations = 243

53 inventors:

Norio Takakura (8 out of 9 patents)

Masao Watanabe (3 out of 3 patents)

Ryuichi Saito (3 out of 3 patents)

4. Yuzuru Sanbongi (3 out of 3 patents)

5. Ryo Ohashi (2 out of 2 patents)

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