Average Co-Inventor Count = 2.40
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. Hitachi, Ltd. (2 from 42,517 patents)
2. Hitachi Plasma Display Limited (2 from 5 patents)
3 patents:
1. 8179041 - Plasma display panel
2. 8179042 - Plasma display panel, plasma display panel unit, and method of manufacturing plasma display panel
3. 8148898 - Plasma display panel and method for manufacturing plasma display panel