Average Co-Inventor Count = 3.77
ph-index = 6
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. Seiko Epson Corporation (11 from 33,404 patents)
11 patents:
1. 12187044 - Ink container
2. 10315428 - Printing device
3. 10118400 - Liquid ejection system
4. 9610775 - Printing apparatus
5. 9358796 - Liquid supply apparatus
6. 7483159 - Print apparatus consumable purchase system and program used with the system
7. 6854835 - Ink cartridge for ink jet printer and method of charging ink into said cartridge
8. 6247803 - Ink jet recording apparatus and method for replenishing ink in the tank cartridge
9. 6238042 - Ink cartridge for ink jet printer and method of charging ink into said cartridge
10. 6223131 - Ink cartridge for an ink-jet recording apparatus, and a system for detecting and displaying an ink consumption state of an ink cartridge
11. 5975688 - Ink cartridge for printer and ink cartridge identifying apparatus