Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677960 | On-vehicle sound control apparatus | Atsushi Unno, Motomichi Matsumura | 1997-10-14 |
| 5156474 | Method of controlling an ink ribbon moving speed in a dot line printer | Hiroyuki Kurosawa, Yoshikane Matsumoto, Shozo Ishii | 1992-10-20 |