Average Co-Inventor Count = 3.00
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. Hamamatsu-photonics K.k. (1 from 2,931 patents)
2. Agency of Industrial Science and Technology Ministry of International (1 from 172 patents)
1 patent:
1. 5867807 - Method and apparatus for determination of optical properties of light