Average Co-Inventor Count = 1.50
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. Leica Heerbrugg Ag (1 from 12 patents)
2. Wild Leitz Ag (1 from 5 patents)
2 patents:
1. 5252982 - Method of precise position determination
2. 5233357 - Surveying system including an electro-optic total station and a portable