For the Inventor, By the Inventor

Enter assignee name

Tokan Kogyo Co., Ltd.

USPTO Granted Patents = 25

EPO Patents = 13

Forward Citations = 333

Loading Chart...

Loading Chart...

35 inventors (with patents filed for the assignee):

Takamitsu Isogai (6 out of 6 patents)

Keiichi Takahashi (6 out of 6 patents)

Yukio Sarusawa (3 out of 3 patents)

4. Kikuya Hirakawa (3 out of 3 patents)

5. Yusuke Tanaka (2 out of 117 patents)

6. Seiji Okabe (2 out of 52 patents)

7. Ichiro Kunihiro (2 out of 3 patents)

8. Masayuki Someya (2 out of 2 patents)

9. Hiroshi Aoyama (2 out of 11 patents)

10. Yoshito Hisatomi (2 out of 2 patents)

11. Taroh Monden (2 out of 2 patents)

12. Masuo Kitamura (2 out of 2 patents)

13. Masatomo Ishihara (2 out of 2 patents)

14. Hirohisa Komoda (2 out of 2 patents)

15. Kenichi Takao (1 out of 7 patents)

25 patents: Sort by Forward Citations

1. 11691373 - Paper lid production method (2023-07-04),

2. 11572220 - Paper lid (2023-02-07),

3. 11180277 - Three-dimensional body, container, and method for manufacturing container (2021-11-23),

4. 10518925 - Molded paper body with minimal wrinkling and forming method thereof (2019-12-31),

5. 10086980 - Container sealing device (2018-10-02),

6. 10029832 - Container sealing device (2018-07-24),

7. 9963263 - Container sealing device (2018-05-08),

8. 9862528 - Cap assembly and method for capping same (2018-01-09),

9. 9630372 - Method of producing pressed paper piece and apparatus therefor (2017-04-25),

10. 8636930 - Thermal insulation foamed sheet, thermal insulation foamed container and method for producing the same (2014-01-28),

11. 8496129 - Cap and covered container (2013-07-30),

12. 8286824 - Heat insulated container (2012-10-16),

13. 8235232 - Cap and covered container (2012-08-07),

14. D590650 - Swizzle stick (2009-04-21),

15. 5791521 - Liquid dispensing bag and quantitative chamber forming jig for liquid (1998-08-11),

TOKAN KOGYO CO., LTD. is a leading Japanese company specializing in industrial machinery manufacturing. With over 50 years of experience, the company is known for its high-quality products and innovative solutions. TOKAN KOGYO's diverse range of products includes industrial valves, gas springs, HVAC components, and more. The company is committed to meeting customer needs by providing reliable and efficient solutions. For more information, please visit their website.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

25 Patents

#1,046 in Tokyo

#2,517 in Japan

#24,961 in the World

Tokan Kogyo Co., Ltd.

Forward Citations = 333

35 inventors:

Takamitsu Isogai (6 out of 6 patents)

Keiichi Takahashi (6 out of 6 patents)

Yukio Sarusawa (3 out of 3 patents)

4. Kikuya Hirakawa (3 out of 3 patents)

5. Yusuke Tanaka (2 out of 117 patents)

Please report any incorrect information to support@idiyas.com

Loading…