Average Co-Inventor Count = 3.00
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 39,230 patents)
2. Toyo Communication Equipment Co., Ltd. (1 from 89 patents)
2 patents:
1. 6873975 - Content usage control system, content usage apparatus, computer readable recording medium with program recorded for computer to execute usage method
2. 4703657 - Gas pressure sensor