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Nippon Kokan K.k.

USPTO Granted Patents = 3

Forward Citations = 42

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19 inventors (with patents filed for the assignee):

Tomohiro Bessho (1 out of 10 patents)

Seigo Ando (1 out of 24 patents)

Hideo Watanabe (1 out of 38 patents)

4. Terry D Petty (1 out of 9 patents)

5. Luc G Chabot (1 out of 6 patents)

6. Carmon R Costello (1 out of 4 patents)

7. Kun K Song (1 out of 3 patents)

8. Yasuo Kajioka (1 out of 7 patents)

9. Minoru Imai (1 out of 3 patents)

10. Yoshihiro Kawase (1 out of 3 patents)

11. Toshiaki Hosoe (1 out of 2 patents)

12. Nobutoshi Yoshimura (1 out of 1 patent)

13. Haruki Hirose (1 out of 1 patent)

14. Tadahiro Fujita (1 out of 1 patent)

15. Tomoo Suzuki (1 out of 1 patent)

3 patents: Sort by Forward Citations

1. 4759663 - Method of placing concrete into a steel encasement (1988-07-26),

2. 4716366 - Eddy current distance signal apparatus with temperature change (1987-12-29),

3. 4639167 - Deep water mobile submersible arctic structure (1987-01-27),

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USPTO Data Jan 1 1976 - Dec 2 2025

3 Patents

#3,271 in Tokyo

#8,779 in Japan

Nippon Kokan K.k.

Forward Citations = 42

19 inventors:

Tomohiro Bessho (1 out of 10 patents)

Seigo Ando (1 out of 24 patents)

Hideo Watanabe (1 out of 38 patents)

4. Terry D Petty (1 out of 9 patents)

5. Luc G Chabot (1 out of 6 patents)

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