Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5806483 | Combustion method for internal combustion engine | Takashi Mizusawa, Shigeo Hagino | 1998-09-15 |
| 4997801 | Catalyst for hydrotreating hydrocarbons | Naoto Kinbara, Yasuhito Takahashi, Tomio Kawaguchi, Shigeru Sakai | 1991-03-05 |
| 4975400 | Catalyst for hydrotreating solvent for coal liquefaction | Yoshimasa Inoue, Toshio Yamaguchi | 1990-12-04 |
| 4950633 | Catalyst for hydrotreating coal liquefaction and circulation solvent | Toshio Yamaguchi, Kikoo Uekusa, Naoto Kinbara, Eiji Funatsu, Katsuzo Shiraishi | 1990-08-21 |