Average Co-Inventor Count = 2.14
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 (5 from 8,889 patents)
5 patents:
1. D1069686 - Battery
2. D1068639 - Battery
3. D958062 - Battery
4. D942372 - Battery
5. 5708892 - Support structure of a focal plane shutter in a camera