Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5272883 | Method and apparatus for maintenance of indoor ski slopes | Nobuyuki Matsui, Kazunobu Abe, Osamu Sakaguchi, Itsuko Sakaguchi, legal representative, Yasuharu Kiso +1 more | 1993-12-28 |