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. The University of Tokyo (1 from 1,281 patents)
2. Kabushiki Kaisha Topcon (1 from 1,033 patents)
3. Fujisawa Pharmaceutical Company, Ltd. (1 from 940 patents)
2 patents:
1. 8408704 - Fundus oculi observation device, ophthalmologic image processing device, and program
2. 6294544 - Peripheral circulation improvers for ophthalmic tissues containing dihydropyridines