Average Co-Inventor Count = 3.12
ph-index = 14
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. Holo or Ltd. (6 from 6 patents)
2. Seethrough Ltd. (5 from 5 patents)
3. Spectrum Sciences B.v. (4 from 47 patents)
4. Spectrum Sciences (2 from 2 patents)
5. Other (1 from 832,880 patents)
6. Savin Corporation (1 from 105 patents)
7. E-vision, LLC (1 from 49 patents)
8. Ophthalmic Imaging Systems (1 from 4 patents)
21 patents:
1. 8109635 - Integrated retinal imager and method
2. 7523018 - Hair coloring system
3. 7508508 - Device and method for inspecting a hair sample
4. 7463356 - Method for analyzing hair
5. 7304739 - Hair color measurement and treatment
6. 7110117 - Hair color measurement and treatment
7. 6851803 - Ophthalmic lenses with reduced chromatic blur
8. 6491391 - System, apparatus, and method for reducing birefringence
9. 6364483 - Simultaneous multifocal contact lens and method of utilizing same for treating visual disorders
10. 6325510 - Progressive multifocal lens construction for eyeglasses
11. 5760871 - Diffractive multi-focal lens
12. 5712622 - Intrusion detector
13. 5227915 - Diffractive optical element
14. 5121164 - Method for maintaining a liquid composition
15. 5108866 - Process for preparing liquid toner composition