Average Co-Inventor Count = 2.86
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 (2 from 18,559 patents)
2. Korea Fuel-tech Corporation (1 from 17 patents)
2 patents:
1. 9644518 - Urea filler neck and urea tank for prevention of urea overflow and urea after-treatment system with outside filler neck
2. 9376122 - Urea solution after-treatment system, and method and controller for warning of urea solution state using touch