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For the Inventor, By the Inventor

Aichi-ken, Japan

Tokai Kogyo Kabushiki Kaisha


USPTO Granted Patents = 124


Forward Citations = 986

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66 inventors (with patents filed for the assignee):

goldMedal Yukihiko Yada (52 out of 55 patents)

silverMedal Sadao Unuma (17 out of 17 patents)

bronzeMedal Tosikazu Ito (16 out of 16 patents)

4.  Yoichi Hirai (14 out of 17 patents)

5.  Toshikazu Ito (9 out of 15 patents)

6.  Hidetoshi Arima (9 out of 9 patents)

7.  Yoshihiro Suita (6 out of 8 patents)

8.  Toshio Hirose (4 out of 5 patents)

9.  Masashi Yamashita (4 out of 4 patents)

10.  Itaru Shirahata (4 out of 4 patents)

11.  Yuji Tanaka (3 out of 4 patents)

12.  Kazuyoshi Higuchi (3 out of 3 patents)

13.  Yukimasa Ando (3 out of 3 patents)

14.  Tsukasa Yoshikawa (3 out of 3 patents)

15.  Kisaburo Yamaguchi (3 out of 3 patents)


Core Competencies:
Extrusion Molding
Automobile Windshield Molding
Panel Units
Weather Strip Molding
Molding Manufacturing
Glass Run Channel
Cushion Member Manufacturing
Multi-Layered Conducting Devices
Trim Member Mounting
Windshield Glass Assembly
Molding Apparatus
Vulcanized Rubber Manufacturing

124 patents:

1. 7879278 - Method for forming panel units having in situ formed moldings (2011-02-01),
2. 7811504 - Molded product and method of manufacturing the same (2010-10-12),
3. 6803001 - Method for making window panel units having in situ extruded frames (2004-10-12),
4. 6787085 - Method for making window panel units having in situ extruded frames (2004-09-07),
5. 6708450 - Glass run channel and glass run channel assembly (2004-03-23),
6. 6623675 - Manufacturing method of a cushion member (2003-09-23),
7. 6287406 - Methods for making window panel units having in situ extruded frames (2001-09-11),
8. 6196615 - Automobile windshield molding and the method of producing the same (2001-03-06),
9. 6176003 - Method and apparatus for manufacturing molding (2001-01-23),
10. 6170219 - Trim member mounted on a panel flange and a method of mounting thereon (2001-01-09),
11. 6143397 - Opening trim and molding method (2000-11-07),
12. 6106931 - Panel unit (2000-08-22),
13. 6095586 - Automobile windshield molding and the method of producing the same (2000-08-01),
14. 6043435 - Conducting section device and method for manufacturing the same (2000-03-28),
15. 6031277 - Multi-layered conducting devices and methods for manufacturing the same (2000-02-29),
Tokai Kogyo Kabushiki Kaisha, commonly known as Tokai Kogyo or Tokai Rubber Industries, is a Japanese manufacturing company specializing in rubber products and materials. Established in 1939, the company has been a leading manufacturer in the automotive industry, providing a wide range of rubber components such as hoses, gaskets, and belts. Tokai Kogyo also manufactures sporting goods, including golf grips and fishing gear. With a commitment to innovation and quality, the company continues to expand its global presence and contribute to 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 2 2025

124 Patents

#4 in Aichi-ken

#960 in Japan

#6,263 in the World

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Aichi-ken, Japan

Tokai Kogyo Kabushiki Kaisha

Forward Citations = 986

66 inventors:

goldMedal Yukihiko Yada (52 out of 55 patents)

silverMedal Sadao Unuma (17 out of 17 patents)

bronzeMedal Tosikazu Ito (16 out of 16 patents)

4.  Yoichi Hirai (14 out of 17 patents)

5.  Toshikazu Ito (9 out of 15 patents)

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