Average Co-Inventor Count = 2.77
ph-index = 3
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. Noptel Ky (2 from 2 patents)
2. Noptel Oy (1 from 1 patent)
3 patents:
1. 5613442 - Arrangement and method for mesuring and correcting the line of a track
2. 4640514 - Optoelectronic target practice apparatus
3. 4553943 - Method for shooting practice