Average Co-Inventor Count = 2.00
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. Kabushiki Kaisha Topcon (2 from 1,033 patents)
2. Topcon Corporation (2 from 525 patents)
4 patents:
1. 11992267 - Ophthalmologic apparatus and ophthalmologic system
2. 11642024 - Ophthalmologic apparatus and ophthalmologic system
3. 7909462 - Ophthalmologic apparatus
4. 7841717 - Ophthalmologic apparatus