ROKI CO., LTD.
13Patents
13Active
13Granted
49Portfolio score
Filing activity: Jul 9, 2009 → Dec 1, 2017 · 3 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8394158B2 | Air cleaner | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US9683526B2 | Canister | Mechanical Engineering; Lighting; Heating | 2 | Active |
| US8944110B2 | Vent duct | Emerging Cross-Sectional Technologies | 1 | Active |
| US9217400B2 | Intake apparatus | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9283508B2 | Filter element | Performing Operations; Transporting | 1 | Active |
| US8033359B2 | Intake sound adjusting device | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US8201578B2 | Oil pan | Emerging Cross-Sectional Technologies | 1 | Active |
| US9283509B2 | Filter element | Performing Operations; Transporting | 1 | Active |
| US9614234B2 | Ion-exchange equipment | Emerging Cross-Sectional Technologies | 0 | Active |
| US9873066B2 | Ion-exchanger | Emerging Cross-Sectional Technologies | 0 | Active |
| US9620801B2 | Ion exchanger and cooler having ion exchanger | Emerging Cross-Sectional Technologies | 0 | Active |
| US10625189B2 | Oil separator | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US8960147B2 | Intake manifold | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.