Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8303805 | Process for producing gasoline base and gasoline | Koji Shimada, Hideshi Iki | 2012-11-06 |
| 7776784 | Hydrodesulfurization catalyst and hydrodesulfurization process for gasoline fractions | Hideshi Iki, Eitaro Morita, Shinya Takahashi | 2010-08-17 |
| 6251262 | Process for hydrodesulfurization of diesel gas oil | Osamu Sadakane, Hideshi Iki | 2001-06-26 |
| 6251263 | Process and apparatus for hydrodesulfurization of diesel gas oil | Osamu Sadakane, Hideshi Iki | 2001-06-26 |
| 6217748 | Process for hydrodesulfurization of diesel gas oil | Osamu Sadakane, Hideshi Iki | 2001-04-17 |
| 6120679 | Method of hydrodesulfurizing catalytic cracked gasoline | Osamu Sadakane | 2000-09-19 |
| 5906730 | Process for desulfurizing catalytically cracked gasoline | Satoru Hikita, Osamu Sadakane, Tadao Miyama | 1999-05-25 |
| 5853570 | Process for desulfurizing catalytically cracked gasoline | Osamu Sadakane, Satoru Hikita, Tadao Miyama | 1998-12-29 |
| 5306757 | Emulsified alkenylsuccinic acid sizing agent | Yoshio Takahashi, Hideto Umekawa | 1994-04-26 |
| 5246491 | Paper sizing agent composition | Yoshio Takahashi | 1993-09-21 |
| 5224993 | Sizing agent for paper | Yoshio Takahashi | 1993-07-06 |
| 4673439 | Sizing agent for paper making | Yoshio Takahashi | 1987-06-16 |