Average Co-Inventor Count = 6.67
ph-index = 3
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. Hoffmann-la Roche Inc. (2 from 4,943 patents)
2. Schott Glaswerke (2 from 241 patents)
3. Jenaer Glaswerk Schott & Gen. (1 from 79 patents)
3 patents:
1. 5480687 - Optical waveguide with a substantially planar substrate and process for
2. 5369722 - Optical inorganic waveguide with a substantially planar organic substrate
3. 4465339 - Electrochromic mirrors