Average Co-Inventor Count = 1.09
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. Shutterfly, Inc. (3 from 198 patents)
2. Lifetouch Inc. (3 from 30 patents)
3. Lifetouch National School Studios, Inc. (1 from 6 patents)
4. Lifetouch National School Studies Inc. (1 from 1 patent)
8 patents:
1. D905151 - Photographic lighting apparatus
2. D884777 - Photographic lighting apparatus
3. 10642128 - Edge light device for photography system
4. D852260 - Photographic lighting apparatus
5. 10274811 - Edge light device for photography system
6. 9353928 - Reflective lighting system
7. 6411778 - Portable backlit studio
8. 6081670 - Depth-of-field indicator for a camera