Average Co-Inventor Count = 3.00
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. Hitachi Koki Co., Ltd. (2 from 1,267 patents)
2 patents:
1. 5166736 - Electrophotographic printing apparatus with pivotable paper buffer and
2. 5148224 - Thin layer coated endless belt of an electrophotographic printing machine