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Tokyo-to, Japan

Tokyo Weld Co., Ltd.

USPTO Granted Patents = 18

EPO Patents = 3

Forward Citations = 40

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25 inventors (with patents filed for the assignee):

Tomoyuki Kojima (5 out of 5 patents)

Masamichi Tsuchiya (4 out of 4 patents)

Fukashi Ogasawara (3 out of 3 patents)

4. Yoshihiko Yokoyama (2 out of 9 patents)

5. Toshiro Higuchi (2 out of 3 patents)

6. Hiroyuki Nabae (2 out of 2 patents)

7. Minoru Chiba (2 out of 8 patents)

8. Shigeru Matsukawa (2 out of 2 patents)

9. Hiroaki Abe (2 out of 2 patents)

10. Akira Saito (2 out of 2 patents)

11. Isao Kobayashi (2 out of 2 patents)

12. Takuma Umeno (1 out of 2 patents)

13. Hiroaki Chaki (1 out of 1 patent)

14. Noritoshi Nakanishi (1 out of 1 patent)

15. Takahiko Iwazaki (1 out of 1 patent)

18 patents: Sort by Forward Citations

1. 12462539 - Analysis device and analysis method (2025-11-04),

2. 9838608 - Work visual inspection device and work visual inspection method (2017-12-05),

3. 9664243 - Gripper mechanism and movement mechanism (2017-05-30),

4. 9430841 - Defect inspection method (2016-08-30),

5. 9281111 - Electromagnetic actuator (2016-03-08),

6. 7931042 - Vacuum suction system and method of controlling the same (2011-04-26),

7. D543333 - Electronic part conveyor table (2007-05-22),

8. 7119299 - Work inspection system (2006-10-10),

9. 6988609 - Work measurement apparatus (2006-01-24),

10. 6948376 - Work transferring and transporting apparatus and work transferring and transporting method (2005-09-27),

11. 6727685 - Work transfer apparatus (2004-04-27),

12. 6642721 - Method of measuring insulation resistance of capacitor and insulation resistance measuring apparatus of the same (2003-11-04),

13. 6621261 - Work inspection apparatus (2003-09-16),

14. 6565309 - Polarity inversion apparatus and polarity inversion method for chip components (2003-05-20),

15. 6547879 - Electrode forming apparatus for electric parts (2003-04-15),

TOKYO WELD CO., LTD. is a leading manufacturer and supplier of welding equipment and accessories based in Tokyo, Japan. With over 50 years of experience in the industry, we specialize in providing high-quality welding machines, consumables, and related products to cater to the diverse needs of our clients. Our commitment to innovation, precision, and customer satisfaction has earned us a strong reputation in the welding industry. Visit our website for more information on our products and services.

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Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

18 Patents

#12 in Tokyo-to

#3,056 in Japan

#33,186 in the World

Tokyo-to, Japan

Tokyo Weld Co., Ltd.

Forward Citations = 40

25 inventors:

Tomoyuki Kojima (5 out of 5 patents)

Masamichi Tsuchiya (4 out of 4 patents)

Fukashi Ogasawara (3 out of 3 patents)

4. Yoshihiko Yokoyama (2 out of 9 patents)

5. Toshiro Higuchi (2 out of 3 patents)

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