Average Co-Inventor Count = 7.00
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. Sony Corporation (2 from 58,129 patents)
2. Sony Disc & Digital Solutions Inc. (2 from 39 patents)
2 patents:
1. 8309903 - Optical device, method for producing master for use in producing optical device, and photoelectric conversion apparatus
2. 7633045 - Optical device, method for producing master for use in producing optical device, and photoelectric conversion apparatus