Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4397933 | Hydrogenated amorphous silicon photoconductive layer | Masao Sugata, Masaki Fukaya, Takashi Nakagiri, Yutaka Hirai | 1983-08-09 |
| 4329577 | Focus detecting device with photo-sensor array | Noriyuki Asano, Yukichi Niwa, Mitsutoshi Ohwada, Shin Tsuda | 1982-05-11 |
| 4189232 | Range detecting method and apparatus | Noriyuki Asano, Yukichi Niwa, Mitsutoshi Owada, Shin Tsuda | 1980-02-19 |