Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4454020 | Process for producing a homogeneous low softening point, optically anisotropic pitch | Takayuki Izumi, Seikoh Igarashi | 1984-06-12 |
| 4422924 | Solvent dewaxing waxy hydrocarbons using an alpha olefin polymer-olefin vinyl acetate copolymer composite dewaxing aid | Takashi Onodera, Kikuji Komine, Fumis Ohashi | 1983-12-27 |
| 4354003 | Solvent dewaxing waxy hydrocarbons using an .alpha.-olefin polymer-olefin vinyl acetate copolymer composite dewaxing aid | Takashi Onodera, Kikuji Komine, Fumis Ohashi | 1982-10-12 |
| 4192733 | Solvent dewaxing waxy hydrocarbon oils using dewaxing aid | Takashi Onodera, Kikuji Komine, Fumio Ohashi | 1980-03-11 |