Average Co-Inventor Count = 5.00
ph-index = 2
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. Nhk Spring Co., Ltd. (4 from 1,232 patents)
4 patents:
1. 12430528 - Composite two-dimensional code and information processing system
2. 12282812 - Information processing system
3. 8749750 - Discrimination medium and production method therefor
4. 8421987 - Discrimination medium and production method therefor