Average Co-Inventor Count = 2.73
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. Other (4 from 832,761 patents)
2. Brain Power Incorporated (1 from 4 patents)
5 patents:
1. 11035731 - Multi-purpose survey spectroradiometer which is also used as a transmittance and reflectance spectrometer
2. 9378563 - Method for simulating the effect of viewing an image through a colored filter or ophthalmic spectacle lens
3. 8397665 - Device for imparting gradations of tint density on a plastic ophthalmic lens
4. 7204591 - Device using light emitting diodes for predicting the optical density and diagnostic color of sunglass or therapeutic lenses using contrast sensitivity information
5. 6669338 - Method of using a tablet for introducing tint, UV absorbers and other chemicals into spectacle lens and optical filter tinting systems