Average Co-Inventor Count = 1.64
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 (17 from 33,464 patents)
2. Kabushiki Kaisha Suwa Seikosha (9 from 446 patents)
3. Shinshu Seiki Kabushiki Kaisha (6 from 60 patents)
4. Epson Corporation (3 from 80 patents)
5. Seiko Epson Kabushiki Kaisha (1 from 49 patents)
27 patents:
1. 8197059 - Media processor
2. 8109627 - Liquid ejecting apparatus
3. 8104812 - Disc picking device and disc processing apparatus having the same
4. 7961563 - Media processor and control method of media processor
5. 7889611 - Media processor capable of efficiently discarding media
6. 7878565 - Disc picking device and disc processing apparatus having the same
7. 7843785 - Media processor storing media disposal history and control method of media processor
8. 7789442 - Disc gripping device
9. 6863390 - Head unit in ink jet printer
10. 6761438 - Ink pump selective driver and ink jet printer incorporating the same
11. 6739696 - Apparatus and method for cleaning ink jet printer
12. 6695430 - Maintenance apparatus and printer using the same
13. 6578941 - Ink jet printer
14. 6361231 - Printer having a medium transportation path open/close mechanism
15. 6328490 - Winding shaft and a printer using the same