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. Kabushiki Kaisha Toshiba (1 from 52,752 patents)
2. Nippon Hoso' Kyokai (1 from 374 patents)
1 patent:
1. 4945317 - Matching circuit