Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4715690 | Photographic screen | Kaoru Onodera, Kazuyuki Kobayashi, Kazuo Shiozawa | 1987-12-29 |
| 4473288 | Photographic device with screen for controlling gradation of photographed image | Kaoru Onodera, Kazuyuki Kobayashi, Kazuo Shiozawa | 1984-09-25 |
| 4433050 | Direct positive type light sensitive silver halide photographic material | Takao Abe | 1984-02-21 |