Average Co-Inventor Count = 3.60
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. Nippon Kayaku Kabushiki Kaisha (2 from 775 patents)
2. Sony Corporation (1 from 58,129 patents)
3 patents:
1. 10942374 - Optical film for eyewear, and optical laminate and eyewear using the optical film
2. 10866435 - Optical film for eyewear with light control, light reflection, and polarization layers
3. 8054389 - Liquid crystal display apparatus having particular optical compensation layers