Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668643 | Recording apparatus having a text processing mode using a threshold and an image processing mode using a mean valve of pixel data samples as the pixel gradation valve | Masaki Sakamoto, Hideki Yorozu, Kazutaka Suzuki | 1997-09-16 |