Average Co-Inventor Count = 5.71
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. Sony Corporation (4 from 58,131 patents)
4 patents:
1. RE46633 - Optical module
2. 7590315 - Optical waveguide and optical module using the same
3. 7454104 - Optical module
4. 7373063 - Optical waveguide, optical waveguide module, and a method for fabricating optical waveguide module