Average Co-Inventor Count = 2.53
ph-index = 2
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 (3 from 36,499 patents)
2. Other (1 from 832,680 patents)
3. Nippondenso Co., Ltd. (1 from 3,252 patents)
4 patents:
1. 10133917 - Lifelog recording system
2. 9878583 - Vehicle alertness control system
3. 6630749 - Automobile power source monitor
4. 5159910 - Lubricating apparatus for internal combustion engine