Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12084948 | Method for recovering rare-earth mud, and recovery system | Yoshihisa Kawamura, Ikuo Sawada, Masanori Kyo, Mikito Furuichi, Keita Akiyama +1 more | 2024-09-10 |
| 10767446 | Float valve sub | Yuichi Shimmoto, Keita Akiyama, Masaki Kawahara, Tomoaki Suzuki | 2020-09-08 |
| 8326472 | Automatic vessel position holding control method and controller | Kazuyuki Igarashi, Hiroshi Yamaguchi, Satoru Nagase, Koh Murata, Masakatsu Saito | 2012-12-04 |