Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4750550 | Method for the transfer of heat energy | Eiichi Yoshida, Kazuo Sakai | 1988-06-14 |
| 4525269 | Process for the solvent deasphalting of asphaltene-containing hydrocarbons | Isao Honzyo, Kazuo Sakai | 1985-06-25 |
| 4514287 | Process for the solvent deasphalting of asphaltene-containing hydrocarbons | Isao Honzyo, Kazuo Sakai | 1985-04-30 |
| 4502950 | Process for the solvent deasphalting of asphaltene-containing hydrocarbons | Isao Honzyo, Kazuo Sakai | 1985-03-05 |