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. Japan Science and Technology Agency (2 from 1,310 patents)
2 patents:
1. 7544658 - [object Object]
2. 7486440 - Polarized total internal reflection illumination optical system by rotary annulus light