Average Co-Inventor Count = 5.00
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. Nissan Motor Company Limited (2 from 13,398 patents)
2. Other (1 from 832,718 patents)
3. Tokyo Institute of Technology, Reasearch Laboratory of Precision (1 from 1 patent)
2 patents:
1. 5289387 - Method for measuring stress
2. 4979394 - Non-destructive inspection method