Average Co-Inventor Count = 1.71
ph-index = 4
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. Nidek Co., Ltd. (5 from 832 patents)
5 patents:
1. 6840934 - Laser treatment apparatus
2. 5954711 - Laser treatment apparatus
3. 5488443 - Portable laser apparatus for ophthalmological operation
4. 5311224 - Optical ophthalmic treatment apparatus
5. 5300063 - Ophthalmic laser apparatus