Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4678371 | Burying device for submarine cables and method for guiding the same | Kazuomi Yamamura, Hideo Ishihara, Yoshinao Iwamoto, Shizuo Suzuki, Kenichi Asakawa | 1987-07-07 |
| 4625172 | Apparatus for supplying AC current to an underwater cable | Kazuomi Yamamura, Hideo Ishihara, Yoshinao Iwamoto, Shizuo Suzuki, Kenichi Asakawa | 1986-11-25 |
| 4540942 | Alternating current induction method using an annular magnetic coupling body for detecting the position of a buried submarine cable | Kazuomi Yamamura, Hideo Ishihara, Yoshinao Iwamoto, Shizuo Suzuki, Kenichi Asakawa | 1985-09-10 |