Average Co-Inventor Count = 2.57
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 (6 from 33,418 patents)
6 patents:
1. 8848247 - Image retouching program
2. 8610953 - Image retouching program
3. 7821669 - Image retouching program
4. 7557950 - Printing system and printing method
5. 7258498 - Printing system and server monitoring printing job
6. 7256911 - Image retouching program