Average Co-Inventor Count = 4.00
ph-index = 1
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. Hyundai Motor Company (1 from 18,640 patents)
2. Kia Corporation (1 from 4,130 patents)
3. Mahle Donghyun Filter Systems Co., Ltd. (1 from 5 patents)
1 patent:
1. 11837756 - Ion filter for fuel-cell stack