Average Co-Inventor Count = 3.00
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 (1 from 1,033 patents)
2. Topcon Corporation (1 from 526 patents)
2 patents:
1. 10345489 - Antireflection film, optical element and ophthalmology apparatus
2. 8882280 - Optical substrate