Average Co-Inventor Count = 3.00
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. Coway Co., Ltd (6 from 213 patents)
2. Koninklijke Philips Corporation N.v. (1 from 21,414 patents)
7 patents:
1. D954240 - Air purifier
2. D937397 - Air purifier
3. D921866 - Air purifier
4. D912235 - Air purifier
5. D899572 - Air purifier
6. D875228 - Air purifier
7. D755942 - Air purifier