Average Co-Inventor Count = 3.92
ph-index = 5
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, Ltd. (7 from 42,517 patents)
7 patents:
1. 6969064 - Paper sheet storing and releasing apparatus
2. 6834808 - Paper money receiving/discharging apparatus and paper money conveyer apparatus
3. 6669136 - Paper money handling device
4. 6585098 - Bill-receiving/discharging device and bill-handling apparatus with the bill-receiving/discharging device
5. 6568673 - Apparatus for handling paper sheets and the like
6. 6565082 - Bill receiving and discharging device and bill handling apparatus
7. 6547241 - Carrying direction changing apparatus for document and the like