Average Co-Inventor Count = 3.41
ph-index = 3
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 8,777 patents)
5 patents:
1. 8481844 - Solar cell and solar cell module
2. 8258397 - Solar cell and method of manufacturing the same
3. 6909687 - Optical pickup with a diffraction element consist of six regions providing spatial variation corresponding to a focas state
4. 6044099 - Semiconductor laser device
5. 5555271 - Semiconductor laser device