Average Co-Inventor Count = 3.60
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 Kogyo Kabushiki Kaisha (2 from 1,838 patents)
2. Toyota Jidosha Kabushiki Kaisha (1 from 36,608 patents)
3. Nippondenso Kabushiki Kaisha (1 from 12 patents)
3 patents:
1. 4681143 - Electromagnetic directional control valve
2. 4541302 - Support structure for power transmission cables
3. 4155530 - Brake tube protector for use in vehicles