Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4735526 | Method for installing offshore jack-up structures | Akira Kawagoe, Jun Akiyama | 1988-04-05 |
| 4658903 | Method for handling wellhead assembly | — | 1987-04-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4735526 | Method for installing offshore jack-up structures | Akira Kawagoe, Jun Akiyama | 1988-04-05 |
| 4658903 | Method for handling wellhead assembly | — | 1987-04-21 |