Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680225 | Image reduction with fine-line protection | Yasuji Hirabayashi, Hidefumi Osawa | 1997-10-21 |
| 5659636 | Image information coding apparatus | Mitsuru Maeda | 1997-08-19 |
| 5621826 | Image reduction apparatus | Akihiro Katayama, Mitsuru Maeda, Yasuji Hirabayashi | 1997-04-15 |