Average Co-Inventor Count = 3.00
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. Nichias Corporation (3 from 254 patents)
3 patents:
1. 8876680 - Disc member base material for a disc roll
2. 8776373 - Method for producing a disc roll
3. 8636633 - Disc roll