Average Co-Inventor Count = 1.40
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 (3 from 58,132 patents)
3 patents:
1. 6657396 - Alternating current driven type plasma display device and method for production thereof
2. 6628077 - Alternating current driven type plasma display
3. 6541922 - Alternating current driven type plasma display device and method for the production thereof