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Tokuden Co., Ltd.

USPTO Granted Patents = 36

CIPO Patents = 2

EPO Patents = 25

Trademarks = 2

Forward Citations = 75

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20 inventors (with patents filed for the assignee):

Toru Tonomura (25 out of 25 patents)

Yasuhiro Fujimoto (18 out of 22 patents)

Kozo Okamoto (10 out of 11 patents)

4. Yoshio Kitano (9 out of 9 patents)

5. Sachio Tamaki (5 out of 5 patents)

6. Takatsugu Kitano (5 out of 5 patents)

7. Masayoshi Kimura (4 out of 4 patents)

8. Yoshihiko Yamamura (2 out of 2 patents)

9. Shigeyuki Hirota (2 out of 2 patents)

10. Masanobu Heguri (2 out of 2 patents)

11. Toshiki Hanafusa (2 out of 2 patents)

12. Yukio Horie (2 out of 2 patents)

13. Osamichi Matsukawa (1 out of 1 patent)

14. Mamoru Watanabe (1 out of 1 patent)

15. Kiyohiro Yamamori (1 out of 1 patent)

36 patents: Sort by Forward Citations

1. 12363804 - Induction heated roll apparatus (2025-07-15),

2. 11818825 - Induction heated roll apparatus (2023-11-14),

3. 11812537 - Induction heated roll apparatus (2023-11-07),

4. 11333351 - Superheated steam generator (2022-05-17),

5. 10999900 - Induction heated roll apparatus (2021-05-04),

6. 10978243 - Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator (2021-04-13),

7. 10840011 - Power circuit, iron core for scott connected transformer, scott connected transformer, and superheated steam generator (2020-11-17),

8. 10779364 - Induction heated roll apparatus (2020-09-15),

9. 10650962 - Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator (2020-05-12),

10. 10510480 - Power circuit, iron core for Scott connected transformer, Scott connected transformer, and superheated steam generator (2019-12-17),

11. 10352554 - Superheated steam generator (2019-07-16),

12. 10337725 - Superheated steam generator (2019-07-02),

13. 10314117 - Induction heating system (2019-06-04),

14. 10212764 - Induction heated roll apparatus (2019-02-19),

15. 10206249 - Fluid heating device (2019-02-12),

TOKUDEN CO., LTD. is a prominent company specializing in the manufacturing and distribution of industrial and commercial equipment. With over 50 years of expertise, they have become a leading provider of advanced technological solutions for various industries. Offering a wide range of products, including welding machines, heat treatment equipment, and generators, TOKUDEN aims to meet the diverse needs of their clients worldwide. Their dedication to innovation, quality, and customer satisfaction has earned them a strong reputation in the market.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

36 Patents

#58 in Kyoto 615-0031

#2,048 in Japan

#18,193 in the World

Tokuden Co., Ltd.

Forward Citations = 75

20 inventors:

Toru Tonomura (25 out of 25 patents)

Yasuhiro Fujimoto (18 out of 22 patents)

Kozo Okamoto (10 out of 11 patents)

4. Yoshio Kitano (9 out of 9 patents)

5. Sachio Tamaki (5 out of 5 patents)

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