Average Co-Inventor Count = 2.73
ph-index = 5
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. Nissan Motor Company Limited (6 from 13,419 patents)
2. Hitachi, Ltd. (1 from 42,535 patents)
6 patents:
1. 4582252 - Heater unit for an automotive vehicle air conditioner
2. 4391356 - Clutch engageable/disengageable by momentary energization of solenoid
3. 4151683 - Door for vehicle, especially passenger motor vehicle
4. 4028516 - Acceleration detector switch having magnetic biased conductive
5. 3949623 - Steering column assembly
6. 3944764 - Inertia sensor switch