Average Co-Inventor Count = 2.40
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. Musashi Co., Ltd. (2 from 10 patents)
2. Hitachi Engineering Kabushiki Kaisha (2 from 3 patents)
2 patents:
1. 4506882 - Device for placing banknotes with their front or reverse sides facing in
2. 4500002 - Apparatus for sorting and counting a number of banknotes