Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4884079 | Image forming apparatus and driving method therefor | Hiroshi Inoue, Satoshi Omata, Yoshiyuki Osada, Yutaka Inoue, Tadashi Yamakawa | 1989-11-28 |
| 4798997 | Lighting device | Hidemi Egami, Katsuo Saito | 1989-01-17 |
| 4797598 | Illumination apparatus | Katsuya Oikawa, Hidemi Egami, Katuo Saitor | 1989-01-10 |