Hiroyuki Aizawa
38Patents
8h-index
37Co-inventors
75Inventor score
Filing activity: Apr 2, 1987 → Mar 5, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4754293A | Electrophotographic type image forming apparatus | Physics | 41 | Expired |
| US8201449B2 | Sensor | Physics | 31 | Active |
| US6298299A | Control apparatus for internal combustion engine and estimation apparatus for estimating pressure in intake and discharge system of internal combustion engine | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6012431A | Control apparatus for internal combustion engine and estimation apparatus for estimating pressure in intake and discharge system of internal combustion engine | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7337667B2 | Angular velocity sensor and its designing method | Physics | 11 | Expired |
| US7436107B2 | Angular velocity sensor and method for manufacturing the same | Physics | 9 | Expired |
| US6167342A | Control apparatus for internal combustion engine and estimation apparatus for estimating pressure in intake and discharge system of internal combustion engine | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7746127B2 | Driving device and driving method of capacitive load and liquid jet printing apparatus | Electricity | 8 | Active |
| US7260990B2 | Angular speed sensor and method for fabricating the same | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6816771B2 | Intake air control system and method for an internal combustion engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7441459B2 | Tuning-fork type transducer for angular-speed sensor, angular-speed sensor using the same transducer, and automotive vehicle using the same angular-speed sensor | Physics | 6 | Expired |
| US8061203B2 | Combined sensor | Physics | 5 | Active |
| US8117914B2 | Inertia force sensor and composite sensor for detecting inertia force | Physics | 4 | Active |
| US8590403B2 | Inertial force sensor | Physics | 4 | Active |
| US7744983B2 | Laminated structure and method for manufacturing the same | Emerging Cross-Sectional Technologies | 4 | Expired |
| US8657399B2 | Liquid jet apparatus performing pulse modulation on a drive signal | Electricity | 3 | Active |
| US8201450B2 | Angular velocity sensor | Electricity | 3 | Active |
| US8376486B2 | Liquid jet apparatus having a modulation period modification circuit | Electricity | 3 | Active |
| US5547510A | Coating apparatus | Performing Operations; Transporting | 3 | Expired |
| US8991248B2 | Angular velocity sensor | Physics | 2 | Active |
| US8308254B2 | Liquid jet apparatus | Performing Operations; Transporting | 2 | Active |
| US7184293B2 | Crosspoint-type ferroelectric memory | Electricity | 2 | Expired |
| US8844356B2 | Inertial force sensor | Physics | 2 | Active |
| US8434362B2 | Inertial force sensor | Physics | 2 | Active |
| US6214114A | Jet coating apparatus | Performing Operations; Transporting | 2 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.