Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354543 | Apparatus for use in producing hydrogen cyamide | Kengo Tsukahara, Masao Saito, Toshio Koseki | 1994-10-11 |
| 4965060 | Process for producing hydrogen cyanide and appartus for use in the process | Kengo Tsukahara, Masao Saito, Toshio Koseki | 1990-10-23 |