For the Inventor, By the Inventor

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Nippo Corporation

USPTO Granted Patents = 9

CIPO Patents = 8

EPO Patents = 5

Forward Citations = 13

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34 inventors (with patents filed for the assignee):

Yasushi Iwama (5 out of 6 patents)

Yutaka Tanaka (3 out of 7 patents)

Hiroshi Enomoto (3 out of 5 patents)

4. Hideyuki Goto (2 out of 2 patents)

5. Satoru Kajiwara (1 out of 1 patent)

6. Hisashi Aita (1 out of 1 patent)

7. Taka Miyamoto (1 out of 1 patent)

8. Isao Shimazu (1 out of 2 patents)

9. Naoya Ishida (1 out of 1 patent)

10. Kazuo Konabe (1 out of 8 patents)

11. Mitsuyoshi Kawazoe (1 out of 2 patents)

12. Yoshitomo Mizuno (1 out of 1 patent)

13. Teruo Urano (1 out of 11 patents)

14. Fumito Komatsu (1 out of 47 patents)

15. Teruhiko Sato (1 out of 3 patents)

9 patents: Sort by Forward Citations

1. 10920402 - Emergency stop apparatus and method for working machine (2021-02-16),

2. 8608455 - Fluid rotary machine (2013-12-17),

3. 7871534 - Method for dust-preventive treatment of material having dusting property (2011-01-18),

4. 5970698 - Rotary spinning ring structure (1999-10-26),

5. 5918454 - Spinning ring structure with an aerodynamic brake member (1999-07-06),

6. 5881546 - Spinning ring (1999-03-16),

7. 5856599 - Process for continuously preparing oil from waste plastics and apparatus (1999-01-05),

8. 5829239 - Spinning ring structure (1998-11-03),

9. 5819519 - Spinning ring (1998-10-13),

Nippo Corporation is a leading construction company based in Japan. With over 50 years of experience in the industry, we specialize in a wide range of construction services including building construction, civil engineering, and renovation projects. Our commitment to quality, innovation, and sustainability has earned us a reputation for excellence in the construction industry. Visit our website to learn more about our services and projects.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

9 Patents

#1,787 in Tokyo

#4,573 in Japan

Nippo Corporation

Forward Citations = 13

34 inventors:

Yasushi Iwama (5 out of 6 patents)

Yutaka Tanaka (3 out of 7 patents)

Hiroshi Enomoto (3 out of 5 patents)

4. Hideyuki Goto (2 out of 2 patents)

5. Satoru Kajiwara (1 out of 1 patent)

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