Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4873537 | Image recording apparatus for producing a plurality of pulse width modulated signals on the basis of image data | — | 1989-10-10 |
| 4864326 | Dual beam recorder | Naoto Kawamura, Takashi Kitamura, Yuji Nishigaki | 1989-09-05 |