Average Co-Inventor Count = 4.36
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, Ltd. (1 from 42,508 patents)
2. Hitachi Consumer Electronics Co., Ltd. (1 from 365 patents)
2 patents:
1. 8390640 - Television device for adjusting quality of video image to be displayed
2. 7265795 - Video signal processing circuit, video display apparatus, and video display method