Average Co-Inventor Count = 4.00
ph-index = 2
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. Amtab Manufacturing Corporation (4 from 31 patents)
4 patents:
1. 8782958 - Mobile folding choral riser with high-speed cylinder lift-assist mechanism and partially independent back railing linkage
2. 8413384 - Mobile folding choral riser with high-speed cylinder lift-assist mechanism and partially independent back railing linkage
3. D660025 - Mobile convertible bench
4. D644742 - Choral riser