Average Co-Inventor Count = 5.00
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. Kabushiki Kaisha Topcon (1 from 1,033 patents)
2. Topcon Positioning Systems, Inc. (1 from 216 patents)
3. Sal Engineering, S.r.l. (1 from 1 patent)
1 patent:
1. D763733 - Unmanned aircraft