Average Co-Inventor Count = 2.28
ph-index = 10
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 (32 from 8,889 patents)
2. Nippon Kogaku K.k. (6 from 849 patents)
38 patents:
1. D1069686 - Battery
2. D1068639 - Battery
3. D958062 - Battery
4. D942372 - Battery
5. D450739 - Camera
6. D449322 - Camera lens
7. D441779 - Camera
8. D441382 - Camera lens
9. D433044 - Camera lens
10. D421998 - Binoculars
11. D419580 - Camera
12. D394665 - Binoculars
13. D392658 - Digital still camera
14. D392301 - Camera
15. D390859 - Camera