Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5407560 | Process for manufacturing petroleum cokes and cracked oil from heavy petroleum oil | Shintaro Miyawaki, Kiyomi Ishii | 1995-04-18 |
| 4968322 | Fuel composition and fuel additive | Shintaro Miyawaki, Kiyomi Ishii | 1990-11-06 |
| 4643813 | Process for producing alkanesulfonic acids | Yasukazu Sato, Kenichi Matsuda, Hiromi Ozaki, Teruo Suzuka | 1987-02-17 |
| 4257778 | Process for producing synthetic coking coal of high volatile matter content | Tadashi Murakami, Toshio Tokairin, Kenji Kawai | 1981-03-24 |