Average Co-Inventor Count = 5.00
ph-index = 1
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. International Business Machines Corporation (1 from 164,108 patents)
2. Fuji Electric Co., Ltd. (1 from 4,800 patents)
1 patent:
1. 6879132 - Switching power supply unit