Average Co-Inventor Count = 2.78
ph-index = 4
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. Kabushiki Kaisha Toyota Jidoshokki (7 from 1,819 patents)
2. Toyota Jidosha Kabushiki Kaisha (4 from 36,771 patents)
3. Kabushiki Kaisha Toyoda Jidoshokki Seisakusho (2 from 1,343 patents)
9 patents:
1. 7980344 - Hydrogen station, method of charging hydrogen, and vehicle
2. 7946446 - Gas storage tank and method of manufacturing the same
3. 7418782 - Method of manufacturing a gas storage tank
4. 7416801 - Warming device for fuel cell system
5. 7363949 - Hydrogen station, method of charging hydrogen, and vehicle
6. 7322398 - Pressure tank
7. 7152665 - Pressure tank
8. 6802875 - Hydrogen supply system for fuel cell
9. 6605377 - Fuel cell cooling apparatus and fuel cell system