Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11454075 | Continuous drilling system | Ikuo Sawada, Masanori Kyo, Takahiro Yokoyama, Noriaki Sakurai, Ryan Bo Jia Wee +3 more | 2022-09-27 |
| 11225844 | Submarine drilling support system | Ikuo Sawada, Masanori Kyo, Takahiro Yokoyama, Noriaki Sakurai, Terence Lim +3 more | 2022-01-18 |
| 9461329 | Power generation system | Masahiro Yamamoto, Ken Takai, Ikuo Sawada, Junichi Miyazaki, Takazo Shibuya +3 more | 2016-10-04 |
| 9359870 | Method and system for recovering ocean floor hydrothermal mineral resources | Ken Takai, Junichi Miyazaki, Ikuo Sawada, Takazo Shibuya, Shinsuke KAWAGUCHI +5 more | 2016-06-07 |