Average Co-Inventor Count = 2.94
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. Topcon Corporation (4 from 526 patents)
2. Kabushiki Kaisha Topcon (1 from 1,033 patents)
5 patents:
1. 11417185 - Communication management system of surveying instrument
2. 11300423 - Communication management system for surveying instrument
3. 10802471 - Device, method, and program for controlling agricultural machine
4. 10699544 - Communication management system of surveying instrument
5. 8749763 - Surveying device and communication system for the same