Average Co-Inventor Count = 5.62
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 (12 from 33,404 patents)
2. Inoac Corporation (1 from 109 patents)
12 patents:
1. 8123343 - Printing apparatus and ink cartridge therefor
2. 7553005 - Printing apparatus and ink cartridge therefor
3. 7492663 - Storage device with protection against inadvertent writing
4. 7192107 - Information communicating member, liquid container having information communicating member and liquid ejecting apparatus
5. 7150520 - Printing apparatus and ink cartridge therefor
6. 7090344 - Ink cartridge for use in an ink jet recording apparatus
7. 6989405 - Resinous filter for ink-jet recording apparatus
8. 6899417 - Ink cartridge for use in an ink jet recording apparatus
9. D482061 - Ink cartridge for printer
10. D481756 - Ink cartridge for printer
11. 6554412 - Ink cartridge, ink jet recorder, and method of mounting ink cartridge
12. 6390616 - Method for manufacturing ink cartridges