Average Co-Inventor Count = 1.95
ph-index = 5
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 (6 from 90,673 patents)
6 patents:
1. 4335198 - Process for recording
2. 4318594 - Beam shaping optical system
3. 4307408 - Recording apparatus using coherent light
4. 4255505 - Electrophotographic process using layered element containing p-type or
5. 4203652 - Beam shaping optical system
6. 3941591 - Electrophotographic photoconductive member employing a chalcogen alloy