Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5580443 | Process for cracking low-quality feed stock and system used for said process | Masahiko Yoshida, Tsukasa Iida | 1996-12-03 |
| 5560894 | Process for treatment of exhaust gas | Tsutomu Ueno, Hiroaki Tsuchiai, Atsushi Tatani, Hiroshi Fujita, Shinichiro Kotake | 1996-10-01 |
| 4999089 | Cracking furnace | Noriaki Nakase, Mamoru Hokkedo, Etsuji Yamamoto, Masahiko Yoshida | 1991-03-12 |