Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864353 | Image recording apparatus | — | 1989-09-05 |
| 4810614 | Method of recording information on photosensitive and pressure-sensitive sheet utilizing mask original form | Kazuo Sangyoji, Takemi Yamamoto, Naoyuki Hatta, Yuji Asano, Kenji Sakakibara +4 more | 1989-03-07 |