Average Co-Inventor Count = 1.83
ph-index = 4
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. Toyota Jidosha Kabushiki Kaisha (9 from 36,721 patents)
2. Panasonic Corporation (1 from 16,453 patents)
3. Kabushiki Kaisha Tokai Rika Denki Seisakusho (1 from 2,005 patents)
10 patents:
1. 10403071 - Control system, in-vehicle device and electronic key
2. 9407436 - Portable device registration system and portable device registration method
3. 9205808 - Intrusion detection device
4. 8712647 - Steering lock driving circuit and steering lock device
5. 8334760 - Antitheft device, electronic control unit, antitheft security system, and antitheft method
6. 7772967 - Crime prevention device for vehicle
7. 7545258 - Vehicle theft prevention system
8. 7535345 - Vehicular anti-theft security system
9. 7525428 - Alarm apparatus and alarm method
10. 7449992 - Antitheft apparatus