Average Co-Inventor Count = 2.00
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. Otis Elevator Company (2 from 2,623 patents)
2. Other (1 from 832,880 patents)
3. Gumyoung General Co., Ltd. (1 from 3 patents)
3 patents:
1. 12103821 - Elevator having function of removing dust adhered to object aboard
2. 10396635 - Reflective optical encoder with contaminant protection
3. 8776953 - Magnetic elevator door coupler