Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144805 | Multi-stage cold accumulation type refrigerator and cooling device including the same | Masashi Nagao, Hideto Yoshimura | 1992-09-08 |
| 5144810 | Multi-stage cold accumulation type refrigerator and cooling device including the same | Masashi Nagao, Hideto Yoshimura | 1992-09-08 |
| 5092130 | Multi-stage cold accumulation type refrigerator and cooling device including the same | Masashi Nagao, Hideto Yoshimura | 1992-03-03 |