Average Co-Inventor Count = 4.71
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. Mitsui Chemicals, Inc. (3 from 1,788 patents)
2. Carl Zeiss Vision International Gmbh (1 from 226 patents)
4 patents:
1. 12055796 - Lens and method for manufacturing lens
2. 11886048 - Lens and eyewear
3. 11561412 - Eyewear
4. 11249327 - Lens and eyewear