Average Co-Inventor Count = 3.00
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. Konica Corporation (5 from 3,106 patents)
5 patents:
1. 6396645 - Zoom lens barrel with focusing path and focal length switching path
2. 6160670 - Camera
3. 6028718 - Zoom lens barrel
4. 5748386 - Zoom lens barrel including a mechanism for moving lens groups
5. 5668670 - Zoom lens barrel