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. Ulvac, Inc. (3 from 441 patents)
3 patents:
1. 11842887 - Film formation apparatus
2. 11505861 - Substrate guide and carrier
3. 11473188 - Sputtering apparatus