Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5721578 | Methods of gradation control and picture quality improvement in a thermal printer which adapts a staggered printing system | Yoshiyuki Nakai, Yasushi Adachi, Tatsuya Tanaka, Toshio Takehara | 1998-02-24 |
| 5077575 | Image forming apparatus equipped with a bucket for accommodating a photosensitive sheet cartridge | Masao Narumiya, Fumio Shimazu | 1991-12-31 |