Average Co-Inventor Count = 5.71
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. (2 from 42,496 patents)
2. Hitachi Consumer Electronics Co., Ltd. (1 from 365 patents)
3 patents:
1. 8432333 - Image display
2. 8320119 - Image display
3. 8066234 - Image display apparatus