HATAMURA ENGINE RESEARCH OFFICE LTD.
2Patents
2Active
2Granted
39Portfolio score
Filing activity: May 9, 2008 → Nov 19, 2014 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8534261B2 | Four-cycle engine | Emerging Cross-Sectional Technologies | 4 | Active |
| US9494061B2 | Variable valve system | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.