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. Fujitsu Corporation (1 from 39,244 patents)
2. Fujitsu Towa Electron Limited (1 from 3 patents)
1 patent:
1. 5874866 - Phase-shift oscillator having ladder-type saw filter feedback circuit