Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348288 | Process for desalting fuel oil | Shoji Yoshinaga, Hirosige Kawano, Tosihiko Takahasi, Kiyoshi Fujiwara, Yukio Inoue | 1982-09-07 |
| 4225079 | Liquid-liquid centrifugal extractor | Shoji Yoshinaga, Hirosige Kawano, Kiyoshi Fujiwara | 1980-09-30 |