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Aichi-gun, Japan

Kyokutoh Company

USPTO Granted Patents = 25

CIPO Patents = 1

EPO Patents = 17

Forward Citations = 56

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13 inventors (with patents filed for the assignee):

Kotaro Nakajima (11 out of 11 patents)

Kazuhiro Tezawa (8 out of 8 patents)

Kotaro Nakazima (2 out of 2 patents)

4. Toshimasa Yamane (1 out of 6 patents)

5. Kenji Sogo (1 out of 1 patent)

6. Yoshiaki Yamane (1 out of 2 patents)

7. Seiji Ishikawa (1 out of 1 patent)

8. Hirokazu Kusano (1 out of 1 patent)

9. Takanori Niwa (1 out of 1 patent)

10. Matzoka Masanori (1 out of 1 patent)

11. Tezawa Kazuhiro (1 out of 1 patent)

12. Takashi Kimura (1 out of 7 patents)

13. Kaneyasu Arakawa (1 out of 1 patent)

14. Werner Kaeseler (11 patents)

25 patents: Sort by Forward Citations

1. 12420353 - Air blow nozzle and tip dresser equipped with air blow nozzle (2025-09-23),

2. 12420352 - Tip dresser (2025-09-23),

3. 12036622 - Spot-welding electrode inspection device (2024-07-16),

4. 11878357 - Tip dressing cutter (2024-01-23),

5. 11491518 - Air intake and blowout tool (2022-11-08),

6. 11338403 - Chip-scattering prevention cover (2022-05-24),

7. 11117211 - Spot welding electrode housing apparatus (2021-09-14),

8. 10894298 - Electrode tip removal device and hammer (2021-01-19),

9. 10717149 - Cutting cutter for tip dressing, and tip dresser (2020-07-21),

10. 10137524 - Spot welding electrode housing apparatus (2018-11-27),

11. 10016835 - Method for grinding electrode tip (2018-07-10),

12. 9770779 - Tip dressing cutter (2017-09-26),

13. 9707639 - Tip dresser (2017-07-18),

14. 9505080 - Rotary work device (2016-11-29),

15. 9497360 - Electrode inspection apparatus for spot welding (2016-11-15),

Kyokutoh Co., Ltd. is a manufacturing company that specializes in the production of construction machinery. Established in 1937, Kyokutoh has been providing high-quality, innovative equipment for the construction industry for over 80 years. With a focus on technological advancements and customer satisfaction, Kyokutoh offers a wide range of products including concrete pumps, mixer trucks, and other construction equipment. The company is dedicated to meeting the needs of their clients by constantly striving for excellence and delivering reliable solutions for various construction projects.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

25 Patents

#1 in Aichi-gun

#2,517 in Japan

#24,953 in the World

Aichi-gun, Japan

Kyokutoh Company

Forward Citations = 56

13 inventors:

Kotaro Nakajima (11 out of 11 patents)

Kazuhiro Tezawa (8 out of 8 patents)

Kotaro Nakazima (2 out of 2 patents)

4. Toshimasa Yamane (1 out of 6 patents)

5. Kenji Sogo (1 out of 1 patent)

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