Average Co-Inventor Count = 4.00
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. (2 from 140 patents)
2 patents:
1. 8839940 - Self-locking type shutter device
2. 8459437 - Financial self-help service device for preventing plugging by foreign objects and damage by mucilage glue