Average Co-Inventor Count = 3.00
ph-index = 2
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 Displays, Ltd. (2 from 1,207 patents)
2. Panasonic Liquid Crystal Display Co., Ltd. (1 from 1,238 patents)
3. Hitachi Display Devices, Ltd. (1 from 31 patents)
2 patents:
1. 8462289 - Display device
2. 7920223 - Display device