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 117 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. 6125195 - Bill validator of master-slave type and method for download of validator
4. 5615280 - Apparatus for recording symbols printed on documents or the like
5. 5420406 - Bill validator with bar code detector