Average Co-Inventor Count = 3.00
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. U.S. Philips Corporation (2 from 14,087 patents)
2 patents:
1. 4187139 - Growth of single crystal bismuth silicon oxide
2. 4012650 - Diced substrate S.A.W. device for bulk wave attenuation