logo

For the Inventor, By the Inventor

Osaka, Japan

Daihen Corporation


USPTO Granted Patents = 359

% Expired Patents = 7.2



Trademarks = 16

Forward Citations = 3,758

Loading Chart...
Loading Chart...

313 inventors (with patents filed for the assignee):

goldMedal Tatsuya Morii (20 out of 20 patents)

silverMedal Akihiro Ohori (20 out of 21 patents)

bronzeMedal Nobuyuki Hattori (20 out of 21 patents)

4.  Tetsuo Era (16 out of 17 patents)

5.  Akihiro Ide (15 out of 15 patents)

6.  Hideki Matsuo (15 out of 17 patents)

7.  Toshiaki Nakamata (14 out of 14 patents)

8.  Yuichi Hasegawa (14 out of 15 patents)

9.  Michio Taniguchi (13 out of 16 patents)

10.  Ryohei Tanaka (13 out of 14 patents)

11.  Daisuke Sado (13 out of 13 patents)

12.  Hiroyuki Kotani (11 out of 15 patents)

13.  Ryusuke Tsubota (11 out of 11 patents)

14.  Jun Iura (11 out of 12 patents)

15.  Yuya Ueno (11 out of 12 patents)


Core Competencies:
High-Frequency Power Supply
Welding Systems
Robot Teaching
Arc Welding
Impedance Matching
Wire Feeding
Control Method
Sensor Device
Industrial Robot
Power Supply Device
Teaching Program
Transfer Robot

359 patents:

1. D1148823 - Industrial robot (2026-09-22),
2. D1148817 - Welding torch handle (2026-09-22),
3. D1148816 - Welding torch handle (2026-09-22),
4. D1148026 - Spot joining machine (2026-09-15),
5. D1145857 - Spot joining machine frame (2026-09-01),
6. D1142560 - INDUSTRIAL ROBOT (2026-08-18),
7. 12681454 - Interference determination device (2026-07-14),
8. 12640345 - High-frequency power supply system (2026-05-26),
9. 12640342 - High-frequency power supply device (2026-05-26),
10. 12630373 - Transfer robot teaching system and transfer robot teaching method (2026-05-19),
11. 12626891 - Plasma processing apparatus (2026-05-12),
12. 12617090 - Terminal device (2026-05-05),
13. 12617089 - Teaching program generation device (2026-05-05),
14. 12594664 - Terminal device (2026-04-07),
15. 12579597 - Point group data synthesis apparatus, non-transitory computer-readable medium having recorded thereon point group data synthesis program, point group data synthesis method, and point group data synthesis system (2026-03-17),
Daihen Corporation, headquartered in Osaka, Japan, specializes in high-frequency power supply technologies. The company is recognized for its innovative solutions in welding systems, encompassing arc welding and advanced wire feeding techniques. Daihen's expertise extends to robot teaching and control methods, enhancing automation in industrial applications. With a focus on impedance matching and sensor devices, Daihen plays a pivotal role in advancing manufacturing efficiency and precision across various sectors, contributing to the evolution of modern industrial practices.
Profile summary based on public USPTO records.

logo

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Daihen Corporation
359 Patents

#57 in Osaka

#473 in Japan

#2,557 in the World

Osaka, JP
Osaka, Japan

Daihen Corporation

Forward Citations = 3,758

313 inventors:

goldMedal Tatsuya Morii (20 out of 20 patents)

silverMedal Akihiro Ohori (20 out of 21 patents)

bronzeMedal Nobuyuki Hattori (20 out of 21 patents)

4.  Tetsuo Era (16 out of 17 patents)

5.  Akihiro Ide (15 out of 15 patents)

Please report any incorrect information to [email protected]
Loading…