Average Co-Inventor Count = 3.93
ph-index = 4
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. 3m Innovative Properties Company (7 from 14,059 patents)
8 patents:
1. D950870 - Sponge with surface pattern
2. D950872 - Sponge with surface pattern
3. D950873 - Sponge with surface pattern
4. D950874 - Sponge with surface pattern
5. D950871 - Surface pattern on sponge
6. D935715 - Tool for cleaning grout
7. D934573 - Sponge with surface pattern
8. D841912 - Cleaning tool