Average Co-Inventor Count = 2.00
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. Silhouette Japan Corporation (2 from 5 patents)
2 patents:
1. D1088111 - Rolled medium holder for cutting plotter
2. D1087218 - Cutting plotter