Average Co-Inventor Count = 2.07
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. (3 from 42,488 patents)
3 patents:
1. 6674917 - Method of synthesizing an image for any light source position and apparatus therefor
2. 5414837 - System for determining and returning frequenly requested information by
3. 5404430 - Displaying method and apparatus of the system status