Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4886623 | Ferroelectric smectic liquid crystal compound and composition containing the same | Shigeru Mitsuhashi, Hitoshi Kondo, Tetsuharu Okazaki, Shinji Endoh, Hiroko Kudo +2 more | 1989-12-12 |
| 4833364 | Electron gun for color picture tubes having uniquely formed lens apertures | Yukihiro Izumida, Shoji Shirai, Hidemasa Komoro, Kazuo Majima | 1989-05-23 |