Average Co-Inventor Count = 3.00
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. National Institute for Materials Science (1 from 550 patents)
2. Japan Science and Technology Corporation (1 from 373 patents)
3. Anelva Corporation (1 from 256 patents)
1 patent:
1. 8524094 - Masking material for dry etching