Yutaka Hirano
33Patents
12h-index
68Co-inventors
84Inventor score
Filing activity: Jun 18, 1974 → Aug 29, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4761022A | Suspension controller for improved turning | Performing Operations; Transporting | 117 | Expired |
| US4573880A | Hermetically sealed motor compressor | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5328338A | Hermetically sealed electric motor compressor | Emerging Cross-Sectional Technologies | 28 | Expired |
| US5577812A | Braking force control system for motor vehicle | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5747682A | Apparatus for determining an estimated quantity of a state of motion of a vehicle | Performing Operations; Transporting | 20 | Expired |
| US5557944A | Refrigerating unit | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4359754A | Semiconductor device | Electricity | 19 | Expired |
| US5704216A | Refrigerating unit | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US8576081B2 | Physiological condition estimation device and vehicle control device | Performing Operations; Transporting | 14 | Active |
| US4788584A | RF transistor package with capacitor | Electricity | 13 | Expired |
| US4186305A | High-temperature microscope | Electricity | 12 | Expired |
| US5229732A | High frequency amplifier having stable amplification operation | Electricity | 12 | Expired |
| US4617902A | Apparatus for controlling fuel injection timing of fuel injection apparatus | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4079505A | Method for manufacturing a transistor | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4298879A | Field effect transistor | Electricity | 9 | Expired |
| US5765929A | Braking control system for motor vehicle | Performing Operations; Transporting | 9 | Expired |
| US5745862A | Movement state control apparatus for wheeled vehicle | Performing Operations; Transporting | 9 | Expired |
| US4298846A | Semiconductor device | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4517831A | Trouble detecting apparatus for a sensor in an internal combustion engine system | Physics | 7 | Expired |
| US4573347A | Apparatus for measuring fuel injection advance angle in diesel engine | Emerging Cross-Sectional Technologies | 6 | Expired |
| US4392152A | Semiconductor device | Electricity | 5 | Expired |
| US9815449B2 | Driving support control apparatus for vehicle | Performing Operations; Transporting | 4 | Active |
| US5363545A | Method of producing a coupling for oil country tubular goods | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5732369A | Movement state estimation method in wheeled vehicle | Performing Operations; Transporting | 4 | Expired |
| US5291085A | Split-phase starter for an electric motor | Electricity | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.