Average Co-Inventor Count = 2.40
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. Hitachi, Ltd. (2 from 42,517 patents)
2. Alpha Corporation (1 from 129 patents)
3 patents:
1. 12509927 - Door handle device for vehicle
2. 7898392 - Control method, control system, RFID antenna and connection investigation method
3. 7583193 - Method for supporting an antenna wiring, and a system