Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694190 | Liquid crystal display device having light guiding plate disposed between circuit board and display panel | Kenichi Ukai | 1997-12-02 |
| 5609343 | Sealing rings for spool valves | Yoshio Asou, Shinichi Yoshimura | 1997-03-11 |
| 5597015 | Electromagnetic pilot type selector valve | Yoshio Asou, Bunya Hayashi, Hideharu Sato | 1997-01-28 |