Average Co-Inventor Count = 4.00
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 (5 from 33,404 patents)
2. Tohoku University (5 from 982 patents)
5 patents:
1. 9555423 - Fluid injection device
2. 9073069 - Fluid injection device
3. 8652091 - Fluid injection device
4. 8337452 - Fluid injection device
5. 7901374 - Fluid injection device