Average Co-Inventor Count = 1.36
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. Nec Corporation (3 from 35,756 patents)
3 patents:
1. 11990041 - Moving body tracking system, moving body tracking method, and program
2. 6334140 - Electronic mail server in which electronic mail is processed
3. 6122290 - Multimedia conversion apparatus and conversion system