Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348288 | Process for desalting fuel oil | Hirosige Kawano, Matsuzo Todo, Tosihiko Takahasi, Kiyoshi Fujiwara, Yukio Inoue | 1982-09-07 |
| 4339330 | Desalting method of fuel oil | Kiyoshi Fujiwara, Katsuaki Nagatomo, Fumio Shibata, Shoji Nomura | 1982-07-13 |
| 4326666 | Centrifugal type counterflow contact apparatus | Kiyoshi Fujiwara, Katsuaki Nagatomo, Zensuke Tamura, Fumio Shibata, Hiroshi Kanekiyo | 1982-04-27 |