Average Co-Inventor Count = 3.48
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. (4 from 832 patents)
4 patents:
1. 12274504 - Non-contact ultrasonic ophthalmotonometer
2. 11771316 - Method for ophthalmic examination and remote examination program
3. 11659986 - Ophthalmic apparatus, and recording medium storing ophthalmic apparatus controlling program
4. 10085631 - Method for generating eyeglass-prescription assisting information