Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850202 | Auger-type ice making machine | Yashumitsu Tsukiyama, Susumu Tatematsu | 1989-07-25 |
| 4846381 | Ice dispenser | Yasumitsu Tsukiyama, Susumu Tatematsu | 1989-07-11 |
| 4817827 | Ice dispenser | Toshihiko Ishikawa, Susumu Tatematsu | 1989-04-04 |