Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4559888 | Ship for transporting coal slurry | Yasunobu Shudo, Tatsuya Murahashi, Yasuo Nakai, Kazuyoshi Hosogaya | 1985-12-24 |
| 4526121 | Ship for treating coal slurry | Yasunobu Shudo, Tatsuya Murahashi, Yasuo Nakai, Kazuyoshi Hosogaya | 1985-07-02 |