Average Co-Inventor Count = 1.50
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. Nikon Corporation (2 from 8,891 patents)
2 patents:
1. 6523748 - Substrate for exposure, readout method and apparatus for the substrate, exposure apparatus, and method for producing semiconductor devices using the exposure apparatus
2. 6184970 - Master plate transporting system