Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663463 | Difluoroethylene compounds and liquid crystal compositions containing them | Seiji Shinya, Osamu Yokokouji, Hidemasa Koh, Katsutoshi Machida | 1997-09-02 |
| 5603167 | Oil removing apparatus and oil removing method for a pipe coil | Katsumasa Toyoda, Yoshihiro Umeda | 1997-02-18 |