Average Co-Inventor Count = 3.00
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 (3 from 33,464 patents)
3 patents:
1. 7344221 - Head member, method for ink-repellent treatment and apparatus for the same
2. 7291281 - Head member, method for ink-repellent treatment and apparatus for the same
3. 6923525 - Head member ink repellence treating method and treating device