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Dynax Corporation

USPTO Granted Patents = 28

% Expired Patents = 32.1

EPO Patents = 6

Forward Citations = 248

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42 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)

Core Competencies:

Friction Plate

Axial Gap Motor

Hydrogen Gas

Activated Aluminum

Wet Friction Disc Clutch

Electromagnetic Brake

Polymer Electrolyte Fuel Cell

Synchronizing Ring

Surfactant Compositions

Friction Material

Cooling Structure

Friction Engagement Device

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 technology-driven company based in Chitose, Japan, specializing in the development and manufacturing of advanced optical and electronic devices. The organization focuses on innovative solutions in fields such as imaging technology, precision measurement, and automation systems. With a commitment to research and development, Dynax aims to enhance performance and efficiency across various industries, contributing to advancements in technology and improving operational capabilities for its clients.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

28 Patents

#1 in Chitose

#2,413 in Japan

#23,262 in the World

Dynax Corporation

Forward Citations = 248

42 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)

Please report any incorrect information to [email protected]

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