Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835564 | Aperture control apparatus of programming shutter | Norifumi Nakagawa | 1989-05-30 |
| 4809018 | Thermal transfer printer | Kenji Nakamura, Kenichi Hironaka, Nobuyuki Tottori, Katsumi Imaizumi, Syoji Yokoyama +7 more | 1989-02-28 |