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. Nichia Kagaku Kogyo K.k. (2 from 21 patents)
2 patents:
1. 4971739 - Method of producing fluorapatite and a moisture sensitive resistor using
2. 4855118 - Method of producing fluorapatite