Average Co-Inventor Count = 5.69
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. Sanyo Electric Co., Ltd. (3 from 8,777 patents)
3 patents:
1. 5043762 - Copy system
2. 5030990 - Apparatus for inputting image forming condition
3. 4711551 - Developing apparatus