Hideki Umemoto
39Patents
9h-index
25Co-inventors
75Inventor score
Filing activity: Mar 27, 1989 → Apr 14, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5801529A | Magnetoresistance sensing device without hystersis influence | Physics | 40 | Expired |
| US5497290A | Hermetic case for electronic circuit equipment | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5403246A | Control device for an internal combustion engine | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5434748A | Hermetic electronic equipment with flexible diaphragm, fastened to case by elastic U-shaped ring, for absorbing pressure fluctuations | Emerging Cross-Sectional Technologies | 14 | Expired |
| US8727794B2 | Electronic controller | Electricity | 14 | Active |
| US6668796B2 | Internal combustion engine control for jet propulsion type watercraft | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6709303B2 | Internal combustion engine control unit for jet propulsion type watercraft | Performing Operations; Transporting | 12 | Expired |
| US5261368A | Apparatus and method for controlling an internal combustion engine | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US5982171A | Sensing device for detecting the angular displacement and relative position of a member of magnetic material | Physics | 11 | Expired |
| US5789919A | Magnetoresistance sensing device with increased magnetic field detection efficiency | Physics | 8 | Expired |
| US5060608A | Engine control apparatus | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US9013889B2 | Electronic controller | Electricity | 7 | Active |
| US5213076A | Apparatus and method for controlling an internal combustion engine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US4967710A | Knock control apparatus for internal combustion engines | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5239962A | Engine control apparatus for a multi-cylinder engine | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US8829710B2 | Starter driving semiconductor switch apparatus | Emerging Cross-Sectional Technologies | 5 | Active |
| US5172588A | Device for detecting an occurrence of abnormal condition in a load | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US8994493B2 | Control network system | Emerging Cross-Sectional Technologies | 5 | Active |
| US5458509A | Ignition coil device for internal combustion engine | Electricity | 5 | Expired |
| US9078367B2 | Electronic controller | Electricity | 5 | Active |
| US4916343A | Multi-pickup sensor bracket for magneto | Electricity | 4 | Expired |
| US5877626A | Temperature resistant magnetoresistance sensing device | Physics | 4 | Expired |
| US6948484B2 | Capacitor discharge ignition device | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5176027A | Trouble diagnosis device | Mechanical Engineering; Lighting; Heating | 3 | Expired |
| US5213079A | Ignition timing control apparatus | Mechanical Engineering; Lighting; Heating | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.