Jun Umehara
4Patents
4h-index
3Co-inventors
47Inventor score
Filing activity: Dec 19, 1985 → Apr 8, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4676204A | Starting system of an internal combustion engine | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US4644919A | Warming-up system of a car engine | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| USD731626S1 | Terminal component for connecting pipe | General | 11 | Active |
| USD730495S1 | Terminal component for connecting pipe | General | 10 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.