Average Co-Inventor Count = 1.97
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. Nikon Corporation (4 from 8,902 patents)
2. Nippon Kagaku K.k. (1 from 4 patents)
5 patents:
1. 5659814 - Camera
2. 5532782 - Camera having a depth priority operation mode
3. 5515127 - Structure for fixing electric driving device to camera body
4. 5499074 - Autofocus camera
5. 4707105 - Apparatus for fixing exposure and focus in camera