Average Co-Inventor Count = 1.60
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 58,132 patents)
2 patents:
1. 5977701 - Color cathode ray tube with improved transmittance of selective
2. 5510677 - Method for correcting the effect of terrestrial magnetism on electron