Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832461 | Projection-type multi-color liquid crystal display device | Yasuo Yamagishi, Masayuki Iwasaki, Toshiaki Yoshihara, Fumiyo Onda | 1989-05-23 |
| 4830803 | Method of making a molded article of methacrylic resin | Shigeo Matsumaru, Syuzi Isoi | 1989-05-16 |
| 4812034 | Projection type liquid crystal display device | Masayuki Iwasaki, Yasuo Yamagishi, Kasumi Ikegami, Hiroyuki Gondo, Hisashi Yamaguchi | 1989-03-14 |