Average Co-Inventor Count = 6.86
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. Kabushiki Kaisha Tokai Rika Denki Seisakusho (4 from 2,002 patents)
4 patents:
1. 11142166 - Sharing system using valet key
2. 7254466 - Engine start controller
3. 7187089 - Electric steering lock apparatus for protecting actuator from overheating
4. 6900552 - System for controlling starting and stopping of engine