Average Co-Inventor Count = 3.18
ph-index = 4
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 (4 from 90,809 patents)
4 patents:
1. 6169557 - Recording apparatus
2. 5710587 - Printhead carriage movement triggering system for sheet conveyance in a
3. 5557369 - Recording apparatus with detection of manually inserted recording sheet
4. 5138343 - Ink jet recording apparatus with recovery means