Average Co-Inventor Count = 3.43
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. Kyocera Crystal Device Corporation (2 from 8 patents)
2 patents:
1. 9579858 - Method of manufacturing optical device
2. 9448398 - Etalon and etalon device