Average Co-Inventor Count = 1.60
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. Nitto-denko Corporation (2 from 3,869 patents)
2. Other (1 from 832,812 patents)
4 patents:
1. RE50293 - Tinnitus treatment device and recording medium
2. 11228854 - Tinnitus treatment device and recording medium
3. 5246524 - Semiconductor wafer processing system
4. 4992928 - Multiple error processor in automatic work handling apparatus