Average Co-Inventor Count = 9.00
ph-index = 2
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. Canon Kabushiki Kaisha (2 from 90,697 patents)
2. Buhler Partec Gmbh (2 patents)
2 patents:
1. 8251491 - Ink jet head and its manufacture method
2. 7758158 - Ink jet head and its manufacture method