Average Co-Inventor Count = 2.93
ph-index = 1
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 (4 from 33,404 patents)
4 patents:
1. 11981117 - Liquid absorbing sheet
2. 11912032 - Liquid ejecting apparatus
3. 11642890 - Ink absorber and printing apparatus
4. 11638929 - Powder supply device