Average Co-Inventor Count = 6.54
ph-index = 3
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. Matsushita Electric Industrial Co., Ltd. (3 from 27,375 patents)
2. Nippon Hoso' Kyokai (3 from 372 patents)
3 patents:
1. 5363384 - Audio signal demodulation circuit
2. 5163053 - Audio signal demodulation circuit
3. 5121212 - Audio signal demodulating circuit with reduced power consumption