Average Co-Inventor Count = 2.40
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 (8 from 14,059 patents)
8 patents:
1. D1061862 - Pair of in-ear hearing protectors
2. D1018445 - Battery charging station
3. D1002114 - Pair of in-ear electronic hearing protectors
4. 11616268 - Adapter for battery compartment
5. D755760 - Push to talk handheld device with body scallops around buttons
6. D738112 - Portable charging storage case
7. D719549 - Hearing protector windscreen
8. D717050 - Portable charging storage case