Average Co-Inventor Count = 2.00
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. Toyota Jidosha Kabushiki Kaisha (1 from 36,546 patents)
2. Toyota School Foundation (1 from 40 patents)
1 patent:
1. 6153546 - Ultralow-loss silica glass and optical fibers using the same