Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5602659 | Liquid crystal light valve with photoconductor including light absorbing and light blocking layers of non-alloy amorphous silicon | Katsumi Adachi, Takashi Hayakawa | 1997-02-11 |
| 5592263 | Charging device | Katsumi Adachi, Takashi Hayakawa, Yukihito Nishio, Hirofumi Yanagizawa, Takumi Sakamoto +1 more | 1997-01-07 |