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Dowa Thermotech Co., Ltd.

USPTO Granted Patents = 21

EPO Patents = 9

Forward Citations = 14

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38 inventors (with patents filed for the assignee):

Hiroyuki Matsuoka (8 out of 11 patents)

Wataru Sakakibara (7 out of 7 patents)

Satoru Habuka (6 out of 6 patents)

4. Yuichiro Shimizu (5 out of 5 patents)

5. Kiyotaka Akimoto (4 out of 5 patents)

6. Atsushi Kobayashi (4 out of 80 patents)

7. Susumu Maeda (4 out of 16 patents)

8. Takahiro Fujita (3 out of 5 patents)

9. Soichiro Nogami (3 out of 3 patents)

10. Masao Kanayama (3 out of 3 patents)

11. Hiroki Tashiro (2 out of 45 patents)

12. Katsushige Shimizu (2 out of 2 patents)

13. Masayoshi Ikeyama (2 out of 2 patents)

14. Motohiro Watanabe (2 out of 2 patents)

15. Masato Yuya (1 out of 10 patents)

21 patents: Sort by Forward Citations

1. 12459823 - Vanadium silicon carbide film, vanadium silicon carbide film coated member, and manufacturing method of vanadium silicon carbide film coated member (2025-11-04),

2. 12077869 - Heat treatment apparatus (2024-09-03),

3. 11613463 - Vanadium nitride film, and member coated with vanadium nitride film and method for manufacturing the same (2023-03-28),

4. 11359271 - Nitriding treatment method of steel member (2022-06-14),

5. 11242592 - Continuous nitriding treatment furnace and continuous nitriding treatment method (2022-02-08),

6. 11091367 - Vanadium silicon carbonitride film, vanadium silicon carbonitride film coated member, and method for manufacturing the same (2021-08-17),

7. 11072857 - Vanadium silicon nitride film, member coated with vanadium silicon nitride film and method for manufacturing the same (2021-07-27),

8. 11014814 - Vanadium nitride film, and member coated with vanadium nitride film and method for manufacturing the same (2021-05-25),

9. 10883764 - Door structure of heat treatment furnace (2021-01-05),

10. 10870909 - Heat treatment facility (2020-12-22),

11. 10731243 - Intermediate layer formed between base material and DLC layer and film-forming method thereof (2020-08-04),

12. 10499460 - Heater unit and carburizing furnace (2019-12-03),

13. 10385439 - Nitriding process method of steel member (2019-08-20),

14. 10145007 - DLC film film-forming method (2018-12-04),

15. 10006116 - Forming method of intermediate layer formed between base material and DLC film, DLC film forming method, and intermediate layer formed between base material and DLC film (2018-06-26),

DOWA THERMOTECH CO., LTD. is a leading company in the field of heat management solutions. With a broad range of thermal management technologies and products, they offer innovative and efficient solutions for various industries, including automotive, electronics, and energy. DOWA THERMOTECH is committed to providing environmentally friendly and sustainable solutions to meet the evolving needs of their customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

21 Patents

#1,137 in Tokyo

#2,800 in Japan

#29,078 in the World

Dowa Thermotech Co., Ltd.

Forward Citations = 14

38 inventors:

Hiroyuki Matsuoka (8 out of 11 patents)

Wataru Sakakibara (7 out of 7 patents)

Satoru Habuka (6 out of 6 patents)

4. Yuichiro Shimizu (5 out of 5 patents)

5. Kiyotaka Akimoto (4 out of 5 patents)

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