Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7129449 | Induction heating cooker | Hiroshi Tominaga, Naoaki Ishimaru, Tamotsu Izutani | 2006-10-31 |
| 7049564 | Induction heating device | Naoaki Ishimaru, Tamotsu Izutani | 2006-05-23 |
| 6931204 | Vacuum heat insulator, hot insulating device using vacuum heat insulator, and electric water heater | Takayuki Urata, Mitsuhiro Sano, Akihiro Umeda, Izuo Hirota | 2005-08-16 |