2 US patent applications published on 31 July 2008 and assigned to Panasonic
| 1 | 20080179315 | Laminated sheet heater, laminated sheet heater with lead wire, battery structure with heater, and heater unit |
| 2 | 20080179312 | HEATER CONTROLLER |
2 US patent applications published on 31 July 2008 and assigned to Panasonic
| 1 | 20080179315 | Laminated sheet heater, laminated sheet heater with lead wire, battery structure with heater, and heater unit |
| 2 | 20080179312 | HEATER CONTROLLER |