Average Co-Inventor Count = 2.57
ph-index = 3
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 (3 from 90,809 patents)
3 patents:
1. 6156413 - Glass circuit substrate and fabrication method thereof
2. 6127052 - Substrate and method for producing it
3. 5122700 - Frictional material for vibration wave driven motor