Average Co-Inventor Count = 1.85
ph-index = 3
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. Nippon Kogaku K.k. (4 from 849 patents)
2. Nikon Corporation (2 from 8,891 patents)
6 patents:
1. 5794083 - Visual line detection camera and method
2. 5083879 - Image recording apparatus
3. 4688922 - Display method and apparatus for camera
4. 4538865 - Device for connecting printed wiring boards or sheets
5. 4423942 - Camera with selectable electromagnetic and mechanical shutter release
6. 4192599 - Switch mechanism for a motor driven device