Average Co-Inventor Count = 2.74
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. 3m Innovative Properties Company (8 from 14,084 patents)
8 patents:
1. D641527 - Cleaning sponge
2. D627530 - Cleaning tool
3. D627531 - Handheld cleaning tool
4. D610321 - Cleaning sponge
5. D606718 - Cleaning sponge
6. D589220 - Sponge
7. D571516 - Cleaning sponge
8. D569565 - Cleaning sponge