General Hydrogen Corp., Ltd.
12Patents
3Active
12Granted
51Portfolio score
Filing activity: May 10, 2002 → Nov 28, 2024 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6810925B2 | Hydrogen fueling station | Emerging Cross-Sectional Technologies | 55 | Expired |
| US6822551B2 | System for communication with a vehicle in close proximity to a fixed service port | Physics | 29 | Expired |
| US6779568B2 | Gas distribution system | Emerging Cross-Sectional Technologies | 25 | Expired |
| USD487807S1 | Fuel storage enclosure | General | 16 | Expired |
| US7477505B2 | Capacitor bank for electrical generator | Emerging Cross-Sectional Technologies | 15 | Active |
| USD487931S1 | Fuel storage enclosure | General | 11 | Expired |
| US6817879B2 | Service port configurations | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6722903B2 | Service plug configuration | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6619342B2 | Wheel stop service port | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6691749B2 | Service coupling | Emerging Cross-Sectional Technologies | 2 | Expired |
| US12051813B2 | Gas diffusion layer and method for preparing same | Emerging Cross-Sectional Technologies | 0 | Active |
| US12405207B2 | System and method for testing durability of gas diffusion layer (GDL) | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.