Average Co-Inventor Count = 3.27
ph-index = 2
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. Other (1 from 832,718 patents)
2. Fujitsu Corporation (1 from 39,230 patents)
3. Fdk Corporation (1 from 206 patents)
3 patents:
1. 9287783 - Power supply device
2. 7236381 - Current balancing circuit
3. 6778417 - Electric-power supplying devices switching between a synchronous rectification and a diode rectification by gradually altering a switching pulse