Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5461869 | Vuilleumier heat pump device | Tsutomu Ishino | 1995-10-31 |
| 5435140 | Vuilleumier heat pump device | Tsutomu Ishino, Fumikazu Taniguchi, Yoshikatsu Hiratsuka | 1995-07-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5461869 | Vuilleumier heat pump device | Tsutomu Ishino | 1995-10-31 |
| 5435140 | Vuilleumier heat pump device | Tsutomu Ishino, Fumikazu Taniguchi, Yoshikatsu Hiratsuka | 1995-07-25 |