Average Co-Inventor Count = 3.00
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. (1 from 832 patents)
2. Microacoustic Instruments Inc. (0 patent)
1 patent:
1. 8500638 - Non-contact ultrasonic tonometer