Average Co-Inventor Count = 4.44
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. Nidek Co., Ltd. (2 from 832 patents)
2 patents:
1. 11471043 - Subjective optometry apparatus
2. 9326680 - Ophthalmic apparatus