Average Co-Inventor Count = 3.09
ph-index = 4
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. Japan Cash Machine Co., Ltd. (5 from 118 patents)
5 patents:
1. 6993758 - Method and apparatus for renewing software in a software-operated machine
2. 6874681 - Valuable paper distinguishable by a validator for discriminating bills
3. 5836435 - Bill handling apparatus
4. 5420406 - Bill validator with bar code detector
5. 5372361 - Bill handling apparatus with exchangeable pusher for stacker