Average Co-Inventor Count = 1.63
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 58,132 patents)
4 patents:
1. 6284382 - Antireflection film and manufacturing method thereof
2. 6151125 - Method and apparatus for measuring surface reflectance of
3. 6005472 - Inner resistor for cathode-ray tube
4. 4647815 - Resistors for use in cathode ray tubes