For the Inventor, By the Inventor

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Ogura Clutch Company, Ltd.

USPTO Granted Patents = 46

EPO Patents = 13

Trademarks = 6

Forward Citations = 267

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68 inventors (with patents filed for the assignee):

Yoshihiro Kurosu (12 out of 12 patents)

Takashi Mitsuhashi (6 out of 6 patents)

Takashi Yamaguchi (5 out of 5 patents)

4. Motoi Kato (4 out of 4 patents)

5. Haruhiko Ushirode (4 out of 4 patents)

6. Toshio Takahashi (4 out of 7 patents)

7. Takashi Ishimaru (4 out of 4 patents)

8. Yoshinori Fujisawa (3 out of 3 patents)

9. Yasuyuki Iizuka (3 out of 3 patents)

10. Yoshiyuki Matsumoto (3 out of 3 patents)

11. Yasuo Yokoyama (3 out of 3 patents)

12. Yoshikazu Arai (2 out of 2 patents)

13. Hiroyasu Yoshihara (2 out of 2 patents)

14. Tsutomu Takeuchi (2 out of 13 patents)

15. Hiroyasu Onai (2 out of 2 patents)

46 patents: Sort by Forward Citations

1. 11760600 - Spindle unit (2023-09-19),

2. 11722046 - Electromagnetic coupling device (2023-08-08),

3. 11427432 - Spindle unit (2022-08-30),

4. 11149808 - Excitation operation brake (2021-10-19),

5. 10955012 - Electromagnetic connecting device (2021-03-23),

6. 10473167 - Electromagnetic connecting device (2019-11-12),

7. 10192664 - Exciting device for electromagnetic connection device (2019-01-29),

8. 10184530 - Electromagnetic connection device (2019-01-22),

9. 10056180 - Seal structure for electromagnetic lead wire (2018-08-21),

10. 10036431 - Electromagnetic clutch (2018-07-31),

11. 9783388 - Spindle unit (2017-10-10),

12. 9631688 - Electromagnetic clutch (2017-04-25),

13. 9422989 - Electromagnetic clutch device, actuator device and controller for controlling opening and closing body for vehicle (2016-08-23),

14. 8973727 - Electromagnetic clutch (2015-03-10),

15. 8561773 - Drive device (2013-10-22),

Ogura Clutch Company, Ltd. is a global leader in the development and manufacturing of electromagnetic clutches and brakes. With a history spanning over 80 years, the company offers a wide range of high-quality products for various industries, including automotive, agriculture, construction, and industrial machinery. Ogura Clutch is committed to providing reliable and innovative solutions to meet the evolving needs of its customers worldwide.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 9 2025

46 Patents

#65 in

#1,768 in Japan

#14,661 in the World

Ogura Clutch Company, Ltd.

Forward Citations = 267

68 inventors:

Yoshihiro Kurosu (12 out of 12 patents)

Takashi Mitsuhashi (6 out of 6 patents)

Takashi Yamaguchi (5 out of 5 patents)

4. Motoi Kato (4 out of 4 patents)

5. Haruhiko Ushirode (4 out of 4 patents)

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