Average Co-Inventor Count = 2.00
ph-index = 3
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. Karma Medical Products Co., Ltd. (4 from 15 patents)
4 patents:
1. 9335783 - Controller shifting device
2. 9211222 - Seat mechanism of electric wheelchair
3. D745443 - Wheelchair shroud
4. 7413045 - Battery quick-release structure for an electric mobility scooter