Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6132478 | Coal-water slurry producing process, system therefor, and slurry transfer mechanism | Masao Tsurui, Masanori Asakura, Takashi Goto, Tsutomu Katagiri, Akio Furuta +5 more | 2000-10-17 |
| 6117305 | Method of producing water slurry of SDA asphaltene | Shoichi Bando, Makoto Inomata | 2000-09-12 |
| 5173285 | Process for the manufacture of hydrogen sulfide | Senji Takenaka, Seiichi Matsuoka, Tsutomu Toida, Nobuhiro Yamada, Kouzi Tamura | 1992-12-22 |
| 4855124 | Process for the desulfurization of gas containing hydrogen sulfide | Hiroo Matsuoka, Tsutomu Toida, Senji Takenaka, Tetsuo Fujita | 1989-08-08 |