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For the Inventor, By the Inventor

Komaki-shi, Japan

Tokai Rubber Industries, Ltd.


USPTO Granted Patents = 720



Forward Citations = 6,618

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585 inventors (with patents filed for the assignee):

goldMedal Atsushi Muramatsu (53 out of 60 patents)

silverMedal Rentaro Kato (34 out of 41 patents)

bronzeMedal Kazuhiko Kato (33 out of 34 patents)

4.  Hiroaki Ito (32 out of 34 patents)

5.  Kazutaka Katayama (31 out of 37 patents)

6.  Masaaki Hamada (27 out of 30 patents)

7.  Atsuo Miyajima (26 out of 31 patents)

8.  Ryouji Kanda (26 out of 27 patents)

9.  Hiroyuki Ichikawa (24 out of 55 patents)

10.  Kazushige Sakazaki (20 out of 22 patents)

11.  Hajime Maeno (20 out of 20 patents)

12.  Katsuhiro Goto (20 out of 21 patents)

13.  Ayumu Ikemoto (18 out of 19 patents)

14.  Yoshiki Funahashi (18 out of 18 patents)

15.  Akira Takayanagi (17 out of 17 patents)


Core Competencies:
Vibration Damping Device
Fluid-Filled Type Vibration Damping
Fuel Cell Manufacturing
Electrophotographic Equipment
Active Noise Cancellation
Rubber Composition
Vehicle Suspension Support
Electromagnetic Actuator
Refrigerant-Transporting Hose
Bending Sensor
Urethane Foam Molding
Connector Technology

720 patents:

1. 9797354 - Fuel line joint (2017-10-24),
2. 9068625 - Fluid-filled type vibration damping device (2015-06-30),
3. 9027912 - Vibration damping device (2015-05-12),
4. 8979082 - Vibration damping bushing and manufacturing method thereof (2015-03-17),
5. 8974982 - Fuel cell, fuel cell stack, and method for manufacturing fuel cell (2015-03-10),
6. 8958581 - Polymer speaker (2015-02-17),
7. 8913931 - Developing roll for electrophotographic machine (2014-12-16),
8. 8894079 - Upper support for vehicle suspension (2014-11-25),
9. 8890649 - Bending sensor and deformed shape measurement method (2014-11-18),
10. 8882090 - Fluid-filled type vibration damping device (2014-11-11),
11. 8867972 - Development roll for electrophotographic equipment (2014-10-21),
12. 8865280 - Fuel hose and method for producing the same (2014-10-21),
13. 8857800 - Tank rubber cushion (2014-10-14),
14. 8822131 - Flexographic printing plate precursor (2014-09-02),
15. 8813924 - Manufacturing method for upper support and upper support (2014-08-26),
Tokai Rubber Industries, Ltd. is a global company that specializes in manufacturing and selling rubber and plastic products. With a history of over 90 years, the company has gained expertise in providing a wide range of high-quality automotive components, industrial products, and materials. Their commitment to innovation, quality, and customer satisfaction has made them a trusted partner for various industries 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

720 Patents

#1 in Komaki-shi

#278 in Japan

#1,349 in the World

...
Komaki-shi, Japan

Tokai Rubber Industries, Ltd.

Forward Citations = 6,618

585 inventors:

goldMedal Atsushi Muramatsu (53 out of 60 patents)

silverMedal Rentaro Kato (34 out of 41 patents)

bronzeMedal Kazuhiko Kato (33 out of 34 patents)

4.  Hiroaki Ito (32 out of 34 patents)

5.  Kazutaka Katayama (31 out of 37 patents)

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