Average Co-Inventor Count = 1.50
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. Canon Kabushiki Kaisha (2 from 90,809 patents)
2 patents:
1. 7031924 - Voice synthesizing apparatus, voice synthesizing system, voice synthesizing method and storage medium
2. 6611283 - Method and apparatus for inputting three-dimensional shape information