Average Co-Inventor Count = 5.54
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. Wakayama Prefecture (2 from 8 patents)
2. Nitto-denko Corporation (1 from 3,870 patents)
2 patents:
1. 11959000 - Photon up-conversion film and method of producing the film
2. 10875983 - Photon upconversion film and method for producing the same