Average Co-Inventor Count = 5.48
ph-index = 8
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. Pixeloptics, Inc. (7 from 31 patents)
2. Mitsui Chemicals, Inc. (2 from 1,786 patents)
3. Sola International Holdings Limited (2 from 50 patents)
4. High Performance Optics, Inc. (1 from 19 patents)
5. Carl Zeiss Vision Australia Holdings Limited (16 patents)
12 patents:
1. 9411172 - Multifocal lens with a diffractive optical power region
2. 9033494 - Multifocal lens having a progressive optical power region and a discontinuity
3. 8434865 - Multifocal lens having a progressive optical power region and a discontinuity
4. 8317321 - Multifocal lens with a diffractive optical power region
5. 8308295 - Multifocal lens having a progressive optical power region and discontinuity
6. 8092016 - Multifocal lens having a progressive optical power region and a discontinuity
7. 8075132 - Multiple layer multifocal composite lens
8. 7926941 - Multiple layer multifocal composite lens
9. 7883206 - Multifocal lens having a progressive optical power region and a discontinuity
10. 7556376 - System and method for selective light inhibition
11. 6074062 - Progressive lens elements and methods for designing and using same
12. 5861935 - Progressive lens elements and methods for designing and using same