Average Co-Inventor Count = 3.75
ph-index = 1
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. Grg Banking Equipment Co., Ltd. (5 from 140 patents)
5 patents:
1. 10319172 - Banknote crack detection method and apparatus
2. 9499006 - Anti-counterfeiting feature generation method for valuable document and authentication method and device therefor
3. 9406183 - Valuable document authentication method and device
4. 9378415 - Recognition method and recognition device for sheet-type medium
5. 9122944 - Paper medium identifying device and identifying method