Average Co-Inventor Count = 4.00
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. Canon Kabushiki Kaisha (2 from 90,809 patents)
2 patents:
1. 5992980 - Substrate for ink jet head, ink jet head provided with said substrate
2. 5477252 - Substrate for ink jet head, ink jet head provided with said substrate