Average Co-Inventor Count = 3.33
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. Nec Space Technologies, Ltd. (2 from 12 patents)
2. Nec Corporation (1 from 35,670 patents)
2 patents:
1. 10198181 - Information record/reproduction apparatus and record/reproduction method
2. 10039066 - Automatic gain control method and automatic gain control circuit