Average Co-Inventor Count = 3.11
ph-index = 3
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. (7 from 117 patents)
7 patents:
1. 8348042 - Optical sensing device for detecting optical features of valuable papers
2. 8276734 - Bill validator with centering device
3. 7677379 - Optical sensing device for detecting optical features of valuable papers
4. 7677380 - Optical sensing device for detecting optical features of valuable papers
5. 7240780 - Apparatus for discriminating valuable papers with centering means
6. 7182197 - Optical sensing device for detecting optical features of valuable papers
7. 5615280 - Apparatus for recording symbols printed on documents or the like