Average Co-Inventor Count = 3.38
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. Seiko Epson Corporation (8 from 33,418 patents)
8 patents:
1. 9805387 - Processing system and pos system
2. 9766848 - Printing system and printing device
3. 9734494 - POS system and print device
4. 9448748 - Printing device, printing system, and control method of a printing system
5. 9361935 - Content publishing system, publishing method for a content publishing system, and publishing terminal
6. 9156279 - Printing system, printing device, and printing method
7. 9129206 - Printing device and printing system
8. 9030685 - Printing device, printing system, and printing method