Average Co-Inventor Count = 2.00
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. U.S. Philips Corporation (3 from 14,087 patents)
3 patents:
1. 4614893 - Color display tube
2. 4152154 - Method of optically projecting a pattern of substantially circular
3. 3973160 - Color screen with space between luminescent regions pervious to thermal