Average Co-Inventor Count = 4.05
ph-index = 8
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 (12 from 2,002 patents)
2. Toyota Jidosha Kabushiki Kaisha (2 from 36,499 patents)
3. Denso Corporation (1 from 19,697 patents)
4. Kabushiki Kaisha Tokai Rika Denki (1 from 8 patents)
5. Seisakusho & Toyota Jidosha Kabushiki (1 from 1 patent)
13 patents:
1. 7760070 - Vehicle security device and system
2. 7545255 - Electronic key system
3. 7505279 - Portable device having flexible case
4. 7432796 - Security control system for managing registration of ID codes for portable devices
5. 7327227 - Vehicle security device and ID code management device
6. 7302817 - Apparatus for restricting activation of engine starting system
7. 7295430 - Portable device having high strength
8. 7290416 - Engine switch device
9. 7227447 - Switch device
10. 7199710 - Controller for remote control system
11. 7193334 - Controller for electronic key system
12. 7187266 - Switch device
13. 7156772 - Non-contact type engine start switch device