Average Co-Inventor Count = 2.25
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. Aisin Seiki Kabushiki Kaisha (4 from 5,207 patents)
2. Toyota Jidosha Kogyo Kabushiki Kaisha (3 from 1,838 patents)
6 patents:
1. 4360934 - Sanitary device
2. 4097841 - Braking fluid pressure fault alarm device
3. 4066303 - Brake pressure-difference warning system for vehicles
4. 4005401 - Electrical switch for a braking fluid pressure fault alarm device
5. 3980987 - Brake failure indicator
6. 3944293 - Hydraulic brake control assembly