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For the Inventor, By the Inventor

Ishikawa, Japan

Daido Kogyo Co., Ltd.


USPTO Granted Patents = 50


Trademarks = 12

Forward Citations = 235

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89 inventors (with patents filed for the assignee):

goldMedal Hideaki Seki (6 out of 6 patents)

silverMedal Akiyoshi Komeya (5 out of 5 patents)

bronzeMedal Motoki Tanaka (4 out of 4 patents)

4.  Toshiyuki Majima (4 out of 4 patents)

5.  Kazuo Nishimura (4 out of 4 patents)

6.  Yoshio Okumura (3 out of 3 patents)

7.  Nobuyuki Matsui (3 out of 3 patents)

8.  Takuma Ono (3 out of 3 patents)

9.  Daigo Masumoto (3 out of 3 patents)

10.  Kohei Hayashi (3 out of 3 patents)

11.  Shuji Takahashi (2 out of 41 patents)

12.  Kazuhito Hiraoka (2 out of 3 patents)

13.  Hiroki Nakagawa (2 out of 2 patents)

14.  Yoshio Yamada (2 out of 23 patents)

15.  Takao Kobayashi (2 out of 71 patents)


Core Competencies:
Vehicle Wheel
Chain Measurement Device
Planetary Gear Device
Chain Tensioner
Roller Chain
Silent Chain Transmission
Wear-Resistant Chain
Paper Cutting Device
Conveyor Chain
Power Transmission Chain
Stairway Lift
Bicycle Chain

50 patents:

1. D1098997 - Hub of vehicle wheel (2025-10-21),
2. D1098996 - Hub of vehicle wheel (2025-10-21),
3. 12339187 - Chain measurement device, chain measurement system, and method for calculating slack amount of chain (2025-06-24),
4. 12313150 - Planetary gear device (2025-05-27),
5. D1040668 - Drive chain measuring tool (2024-09-03),
6. 11988282 - Chain tensioner (2024-05-21),
7. 11927267 - Chain guide and chain transmission device using same (2024-03-12),
8. 11927244 - Chain transmission device (2024-03-12),
9. 11898635 - Tensioner (2024-02-13),
10. 11415196 - Roller chain (2022-08-16),
11. 11396205 - Spoke wheel (2022-07-26),
12. 11199247 - Winding transmission body tension device (2021-12-14),
13. 10850925 - Chain for vacuum conveyor (2020-12-01),
14. 10794455 - Tensioner (2020-10-06),
15. 10443686 - Chain and manufacturing method of a chain (2019-10-15),
DAIDO KOGYO CO., LTD. is a Japan-based company engaged in the manufacture and sale of automotive components and industrial machinery. The company's product portfolio includes engine bearings, precision forming machine tools, industrial furnaces, and hydraulic equipment. With a focus on research and development, DAIDO KOGYO aims to provide innovative solutions that meet the evolving needs of various industries. For more information, please visit their official website.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 30 2025

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50 Patents

#6 in Ishikawa

#1,675 in Japan

#13,594 in the World

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Ishikawa, Japan

Daido Kogyo Co., Ltd.

Forward Citations = 235

89 inventors:

goldMedal Hideaki Seki (6 out of 6 patents)

silverMedal Akiyoshi Komeya (5 out of 5 patents)

bronzeMedal Motoki Tanaka (4 out of 4 patents)

4.  Toshiyuki Majima (4 out of 4 patents)

5.  Kazuo Nishimura (4 out of 4 patents)

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