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, Ltd. (2 from 42,508 patents)
2 patents:
1. 5828417 - Television receiver with on screen display for reserving programs to be
2. 5576773 - Television receiver which controls the program reserve in a VCR