Average Co-Inventor Count = 1.09
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. Data Products Corporation (6 from 146 patents)
6 patents:
1. D346821 - Stepped diameter recessed solid ink pellet
2. D341156 - Ink jet ink cartridge
3. D335683 - Smooth edge recessed solid ink pellet
4. D321899 - Reinker cartridge
5. D310240 - Toner cartridge
6. D303396 - Ribbon cartridge