Average Co-Inventor Count = 4.00
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. Hitachi Displays, Ltd. (1 from 1,207 patents)
2. Hitachi Display Devices, Ltd. (1 from 31 patents)
1 patent:
1. 7800712 - Cold cathode fluorescent lamp and liquid crystal display device