Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454075 | Continuous drilling system | Tomokazu Saruhashi, Ikuo Sawada, Masanori Kyo, Takahiro Yokoyama, Ryan Bo Jia Wee +3 more | 2022-09-27 |
| 11225844 | Submarine drilling support system | Tomokazu Saruhashi, Ikuo Sawada, Masanori Kyo, Takahiro Yokoyama, Terence Lim +3 more | 2022-01-18 |
| 4521133 | Caisson for underwater structures | Shoichi Suzuki, Wataru Ohta, Michio Yamashita | 1985-06-04 |