Average Co-Inventor Count = 3.09
ph-index = 4
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 (4 from 1,033 patents)
2. Topcon Corporation (1 from 524 patents)
5 patents:
1. 10690497 - Surveying instrument including a reflective prism mounted on a movable part
2. 10469754 - Position guiding device, position guiding method, and position guiding program
3. 8310535 - Surveying system
4. 7739803 - Surveying system
5. 7726033 - Multi-point measuring method and surveying device