Average Co-Inventor Count = 4.44
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. Toppan Printing Co., Ltd. (2 from 1,268 patents)
2 patents:
1. 11397287 - Optical film, and optical barrier film, color conversion film and backlight unit using the optical film
2. 11254097 - Barrier film laminate, method of producing the same, wavelength conversion sheet, backlight unit, and electroluminescent light-emitting unit