Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4672178 | Reduced pressure heat storage element and electric heater using the same | Takahiro Wada | 1987-06-09 |
YH
Yoneno Hiroshi
Overall (All Time): #3,976,236 of 4,157,543Top 100%
1
Patents All Time