Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6148633 | Flowing-down ice making apparatus | Hatsuo Yamada, Tadashi Sakai, Douglas Troy Steward | 2000-11-21 |
| 6116038 | Ice making apparatus | Hatsuo Yamada, Tadashi Sakai | 2000-09-12 |
| 6112533 | Flow-down ice maker | Hatsuo Yamada, Tadashi Sakai, Douglas Troy Steward | 2000-09-05 |
| 6109055 | Down-flow-type ice-making machine | Hatsuo Yamada, Tadasi Sakai, Yoshio Furukawa | 2000-08-29 |
| 6105385 | Flow down type ice maker | Hatsuo Yamada, Tadashi Sakai, Douglas Troy Steward | 2000-08-22 |
| 6058732 | Ice making machine | Hatsuo Yamada, Tadashi Sakai, Douglas Troy Steward | 2000-05-09 |