Kabushiki Kaisha Toyota Chuo
4Patents
1Active
4Granted
31Portfolio score
Filing activity: May 30, 1979 → Mar 19, 2008 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6245442A | Metal matrix composite casting and manufacturing method thereof | Emerging Cross-Sectional Technologies | 29 | Expired |
| US4267483A | Insulator on spark plug electrode coated with zirconium and vanadium oxides | Electricity | 20 | Expired |
| US7804395B2 | Mobile radio communication system | Physics | 1 | Active |
| US8242046B2 | Inorganic oxide, exhaust gas purifying catalyst carrier, and exhaust gas purifying catalyst | Emerging Cross-Sectional Technologies | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.