Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696842 | Image processing system for adaptive coding of color document images | Hisao Shirasawa | 1997-12-09 |
| 4870685 | Voice signal coding method | Yuichi Kadokawa, Hiroki Uchiyama | 1989-09-26 |