Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339330 | Desalting method of fuel oil | Kiyoshi Fujiwara, Katsuaki Nagatomo, Shoji Nomura, Shoji Yoshinaga | 1982-07-13 |
| 4326666 | Centrifugal type counterflow contact apparatus | Kiyoshi Fujiwara, Katsuaki Nagatomo, Shoji Yoshinaga, Zensuke Tamura, Hiroshi Kanekiyo | 1982-04-27 |