Average Co-Inventor Count = 1.86
ph-index = 3
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 (25 from 33,404 patents)
25 patents:
1. 12257858 - Printed material management system that provides a printed material identifier using invisible ink
2. 12030301 - Liquid ejecting device and liquid ejecting method
3. 12005699 - Recording device
4. 11679596 - Recording apparatus
5. 11623463 - Recording apparatus
6. 11319176 - Recording apparatus
7. 11279156 - Liquid ejecting apparatus
8. 11254137 - Recording apparatus
9. 11214084 - Recording apparatus
10. 11104142 - Liquid ejecting apparatus
11. 10933664 - Recording apparatus
12. 10160234 - Recording apparatus
13. 9598257 - Medium storage cassette and recording device
14. 9376284 - Medium receiving cassette and recording apparatus
15. 9162842 - Medium receiving cassette and recording apparatus