4 US patent applications published on 03 July 2008 and assigned to Panasonic
| 1 | 20080162059 | Secondary Battery Charge/Discharge Electricity Amount Estimation Method and Device, Secondary Battery Polarization Voltage Estimation Method and Device and Secondary Battery Remaining Capacity Estimation Method and Device |
| 2 | 20080160408 | NICKEL-METAL HYDRIDE BATTERY |
| 3 | 20080157779 | PRISMATIC BATTERY SHORT CIRCUIT INSPECTION METHOD, PRISMATIC BATTERY MANUFACTURING METHOD AND CURRENT COLLECTOR SHAPE ADJUSTING DEVICE |
| 4 | 20080157777 | ELECTROMOTIVE FORCE COMPUTING DEVICE AND STATE OF CHARGE ESTIMATING DEVICE |
