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Daihen Corporation

USPTO Granted Patents = 341

CIPO Patents = 2

EPO Patents = 104

Trademarks = 22

Forward Citations = 3,628

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303 inventors (with patents filed for the assignee):

Tatsuya Morii (20 out of 20 patents)

Akihiro Ohori (20 out of 21 patents)

Nobuyuki Hattori (20 out of 21 patents)

4. Tetsuo Era (16 out of 17 patents)

5. Akihiro Ide (15 out of 15 patents)

6. Toshiaki Nakamata (14 out of 14 patents)

7. Michio Taniguchi (13 out of 16 patents)

8. Hideki Matsuo (13 out of 15 patents)

9. Ryohei Tanaka (13 out of 14 patents)

10. Daisuke Sado (13 out of 13 patents)

11. Yuichi Hasegawa (12 out of 12 patents)

12. Hiroyuki Kotani (11 out of 15 patents)

13. Ryusuke Tsubota (11 out of 11 patents)

14. Tomoyuki Ueyama (10 out of 10 patents)

15. Futoshi Nishisaka (10 out of 10 patents)

Core Competencies:

Welding Torch

High-Frequency Power Supply

Robot Teaching System

Impedance Matching

Arc Welding Control

Industrial Robot

Wire Feeding Apparatus

Transfer Robot

Welding Power Supply

Additive Manufacturing

Sensor Device for Welding

Grid Interconnection

341 patents: Sort by Forward Citations

1. D1106292 - Welding torch (2025-12-16),

2. D1104092 - Welding torch (2025-12-02),

3. 12482632 - High-frequency power supply apparatus (2025-11-25),

4. 12463012 - High-frequency power supply system (2025-11-04),

5. 12454055 - Welding program production system and welding program production method (2025-10-28),

6. 12451330 - Method of controlling high-frequency power supply system (2025-10-21),

7. 12420349 - Arc welding control method (2025-09-23),

8. 12397437 - Marker detection apparatus and robot teaching system (2025-08-26),

9. 12340933 - Inductor, device equipped with inductor and method for manufacturing inductor (2025-06-24),

10. 12337474 - Robot teaching system (2025-06-24),

11. D1074770 - Wire feeding apparatus for welding (2025-05-13),

12. 12291406 - Transfer robot (2025-05-06),

13. 12290886 - Arc start adjustment device, welding system and arc start adjustment method (2025-05-06),

14. 12289039 - High-frequency power supply system (2025-04-29),

15. 12275147 - Robot teaching system (2025-04-14),

DAIHEN Corporation, based in Japan, is a global leader in the manufacturing and distribution of highly advanced welding and industrial robots. With over 90 years of experience, DAIHEN has established a strong reputation for delivering innovative and reliable solutions to a wide range of industries. Their cutting-edge technology, commitment to quality, and dedication to customer satisfaction have made them a preferred choice for businesses worldwide.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

341 Patents

#54 in Osaka

#472 in Japan

#2,575 in the World

Daihen Corporation

Forward Citations = 3,628

303 inventors:

Tatsuya Morii (20 out of 20 patents)

Akihiro Ohori (20 out of 21 patents)

Nobuyuki Hattori (20 out of 21 patents)

4. Tetsuo Era (16 out of 17 patents)

5. Akihiro Ide (15 out of 15 patents)

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