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. Musashi Co., Ltd. (2 from 10 patents)
2. Hitachi Denshi Engineering Kabushiki Kaisha (1 from 9 patents)
3. Hitachi Engineering Kabushiki Kaisha (1 from 3 patents)
2 patents:
1. 4500002 - Apparatus for sorting and counting a number of banknotes
2. 4424660 - Apparatus for binding paper sheets