Average Co-Inventor Count = 3.33
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 (3 from 1,033 patents)
3 patents:
1. 10045693 - Ophthalmologic observation apparatus
2. 9980643 - Ophthalmologic apparatus
3. 9526416 - Ophthalmologic apparatus