Average Co-Inventor Count = 4.00
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. Petroleum Fermentations N.v. (2 from 22 patents)
2 patents:
1. 4740247 - Method for printed circuit board and/or printed wiring board soldermask
2. 4640719 - Method for printed circuit board and/or printed wiring board cleaning