Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D393664 | Operating apparatus for a watercraft simulation game machine | Yoshitsugu Isetani | 1998-04-21 |
| D389216 | Display device | Yoshitsugu Isetani, Hiroyuki Muraki, Katsunori Okita | 1998-01-13 |