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. Hamamatsu-photonics K.k. (2 from 2,921 patents)
2 patents:
1. 6283957 - Cancer therapeutic instrument
2. 6152951 - Method of treating cancer