Average Co-Inventor Count = 2.00
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. Showa Shell Sekiyu K.k. (2 from 46 patents)
2 patents:
1. 5298087 - Photovoltaic device useful as a mirror
2. 5248345 - Integrated photovoltaic device