Masao Miyamoto
11Patents
6h-index
18Co-inventors
63Inventor score
Filing activity: Jul 3, 1978 → Dec 4, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5064255A | Opening/closing device of a door member | Mechanical Engineering; Lighting; Heating | 29 | Expired |
| US4947583A | Opening/closing device of a door member | Mechanical Engineering; Lighting; Heating | 24 | Expired |
| US4270846A | Electro-optical display device | Physics | 18 | Expired |
| US4620102A | Electron-impact type of ion source with double grid anode | Electricity | 17 | Expired |
| US4715186A | Coolant preservation container | Emerging Cross-Sectional Technologies | 11 | Expired |
| US5794603A | Ignition coil device | Electricity | 8 | Expired |
| US4695724A | AC-modulation quadrupole mass spectrometer | Electricity | 6 | Expired |
| US4607491A | Cooling trap for vacuum | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4177633A | Time correcting means for a digital electronic watch | Physics | 1 | Expired |
| US11506832B2 | Planar illumination device with light guide plate with pseudo light sources | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US7631544B2 | Flow analysis system | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.