Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5173285 | Process for the manufacture of hydrogen sulfide | Seiichi Matsuoka, Tsutomu Toida, Takao Takinami, Nobuhiro Yamada, Kouzi Tamura | 1992-12-22 |
| 4855124 | Process for the desulfurization of gas containing hydrogen sulfide | Hiroo Matsuoka, Tsutomu Toida, Takao Takinami, Tetsuo Fujita | 1989-08-08 |