Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833546 | Photomechanical apparatus | Takashi Numakura, Susumu Kitazawa | 1989-05-23 |
| 4811108 | Tonal conversion method for pictures | Takashi Numakura, Susumu Kitazawa | 1989-03-07 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833546 | Photomechanical apparatus | Takashi Numakura, Susumu Kitazawa | 1989-05-23 |
| 4811108 | Tonal conversion method for pictures | Takashi Numakura, Susumu Kitazawa | 1989-03-07 |