Average Co-Inventor Count = 8.16
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. Nikon Corporation (3 from 8,898 patents)
3 patents:
1. 6317221 - Image reading device and method
2. 5754315 - Image input system having an auto-feeder and method
3. 5742326 - Focus adjustable image reading device for calculating a focus position