Average Co-Inventor Count = 3.43
ph-index = 3
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 (3 from 1,838 patents)
2. Nippondenso Kabushiki Kaisha (2 from 12 patents)
3. Toyota Jidosha Kabushiki Kaisha (1 from 36,546 patents)
4. Aisan Industry Co., Ltd. (1 from 79 patents)
4 patents:
1. 4583448 - Windshield defroster
2. 4432565 - Steering assembly supporting device of a motor vehicle
3. 4331120 - Device for controlling evaporative emission from an automobile
4. 4308840 - Device for preventing evaporative fuel loss