Average Co-Inventor Count = 3.45
ph-index = 4
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. Sanyo Electric Co., Ltd. (5 from 8,782 patents)
5 patents:
1. 8558507 - Secondary battery storage system rack with fire extinguisher device
2. 6410843 - Solar cell module
3. 6252785 - Device for operating inverter and power system
4. 6175512 - Device for operating inverter and power system
5. 5951785 - Photo-voltaic apparatus