Average Co-Inventor Count = 4.36
ph-index = 7
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. High Performance Optics, Inc. (9 from 19 patents)
2. Essilor International (compagnie Generale D'optique) (1 from 719 patents)
3. Intevac, Inc. (1 from 120 patents)
4. Frontier Scientific, Inc. (1 from 7 patents)
12 patents:
1. 11774783 - High performance selective light wavelength filtering providing improved contrast sensitivity
2. 11701315 - High energy visible light filter systems with yellowness index values
3. 10610472 - High energy visible light filter systems with yellowness index values
4. 10551637 - High performance selective light wavelength filtering providing improved contrast sensitivity
5. 9927635 - High performance selective light wavelength filtering providing improved contrast sensitivity
6. 9814658 - High energy visible light filter systems with yellowness index values
7. 9683102 - Photo-stable and thermally-stable dye compounds for selective blue light filtered optic
8. 9377569 - Photochromic ophthalmic systems that selectively filter specific blue light wavelengths
9. 8882267 - High energy visible light filter systems with yellowness index values
10. 8360574 - High performance selective light wavelength filtering providing improved contrast sensitivity
11. 7014317 - Method for manufacturing multifocal lenses
12. 6203862 - Processing systems with dual ion sources