Average Co-Inventor Count = 3.10
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. Toyota Jidosha Kogyo Kabushiki Kaisha (4 from 1,838 patents)
2. Toyota Jidosha Kabushiki Kaisha (3 from 36,721 patents)
3. Nippondenso Co., Ltd. (2 from 3,252 patents)
4. Kabushiki Kaisha Tokai Rika Denki Seisakusho (2 from 2,005 patents)
5. Aisin Seiki Kabushiki Kaisha (1 from 5,207 patents)
6. Nippon Soken, Inc. (1 from 1,600 patents)
8 patents:
1. 4998177 - Electromagnetic solenoid drive apparatus in a vehicle
2. 4880092 - Transmission operating apparatus for automatic transmission
3. 4644235 - Control apparatus for automotive power-operated convertible roof
4. 4621223 - Load drive control system for a motor vehicle window
5. 4467313 - Automotive rear safety checking apparatus
6. 4413424 - Azimuth determinating apparatus
7. 4400779 - Method and apparatus for indicating mileage corresponding to remaining
8. 4321979 - Passive seatbelt system