Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278638 | Noise reducing circuit for images | Tsutomu Banno | 1994-01-11 |
| 4979963 | Process for coloring expandable polystyrene beads | Toshiaki Yamamoto, Minoru Tada, Kyoichi Nakamura | 1990-12-25 |