Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4243633 | Reactor for the thermal cracking of heavy oil | Hisatoshi Ohwada, Masaharu Tomizawa, Seiki Sanada, Hideo Kikuchi | 1981-01-06 |
| 4224108 | Decoking apparatus | Hisao Takahashi, Takeshi Nomura, Kiyoji Ozaki, Haruo Izumida, Naotaka Miwa +3 more | 1980-09-23 |
| 4196050 | Decoking apparatus | Hisao Takahashi, Takeshi Nomura, Yoshitomo Ohara, Hajime Nakanishi, Naotaka Miwa +3 more | 1980-04-01 |