Average Co-Inventor Count = 2.46
ph-index = 7
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. Kabushiki Kaisha Tokai Rika Denki Seisakusho (8 from 2,004 patents)
8 patents:
1. 7650811 - Shifting device
2. 7302817 - Apparatus for restricting activation of engine starting system
3. 7293480 - Shifting device
4. 5825270 - Electromagnetic solenoid
5. 5799517 - Vehicle locking device
6. 5685183 - Vehicle locking device
7. 5671638 - Lock system for motor vehicle
8. 5504468 - Electromagnetic solenoid