Average Co-Inventor Count = 1.07
ph-index = 7
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. Umbra, Inc. (13 from 226 patents)
15 patents:
1. D881431 - Lantern
2. D644031 - Floral photograph holder
3. D624122 - Picture frame bookend
4. 7788836 - Device and method for hanging photographs or cards
5. D602263 - Picture frame
6. D551851 - Keychain pendant with hinged cover
7. D545573 - Nested picture frame assembly
8. D542025 - Combined key case and picture frame
9. D530102 - Photograph organizer
10. 6845584 - Pictorial display
11. 6338215 - Parallel plane picture frame array
12. D443147 - Picture frame
13. D437490 - Picture frame array
14. D428055 - Album cover
15. D422797 - Foldable interlocking floor screen