Average Co-Inventor Count = 6.00
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. Takasago International Corporation (1 from 508 patents)
2. Shindengen Electric Manufacturing Company Limited (1 from 356 patents)
3. Yamanashi Electronics Co., Ltd. (1 from 18 patents)
1 patent:
1. 5443933 - Electrophotographic photoreceptor