Yoshihiro Nakazawa
27Patents
13h-index
53Co-inventors
84Inventor score
Filing activity: Sep 3, 1977 → Dec 20, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5387857A | Battery charging apparauts | Electricity | 111 | Expired |
| US5583418A | Battery charging station for electric vehicles and electric vehicle usable therewith | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4870545A | Headlight control apparatus for motorcycles | Performing Operations; Transporting | 33 | Expired |
| US5352982A | Method and apparatus for displaying a residual electric charge of a battery for an electrically driven vehicle | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5644202A | Braking control system for an electric vehicle | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5377791A | Regenerative brake device and a power transmission device for electric motor vehicles | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5418083A | Battery with rust preventive structure | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5527637A | Power supply unit for electric motor vehicle | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5583751A | Power supply unit for electric motor vehicle | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4883284A | Position detecting device for a motorcycle side stand | Performing Operations; Transporting | 16 | Expired |
| US5384522A | Braking control system for an electric vehicle | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5313191A | Warning device for an electric vehicle | Performing Operations; Transporting | 15 | Expired |
| US4359716A | Method and apparatus for sensing air pressure in pneumatic suspension units for vehicles | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5610814A | Control apparatus and method for electric vehicles | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4922390A | Head lamp for motor-bicycle with slant angle correction | Performing Operations; Transporting | 12 | Expired |
| US6918607B2 | Side stand device | Performing Operations; Transporting | 6 | Expired |
| US5690186A | Control apparatus and method for electric vehicles | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7335054B2 | Wiring connector | Performing Operations; Transporting | 5 | Expired |
| US4189762A | Headlight for motorized two-wheeled vehicle | Mechanical Engineering; Lighting; Heating | 5 | Expired |
| US6368131B1 | Waterproof electrical connector | Electricity | 5 | Expired |
| US7212107B2 | Odometer system and method for a vehicle | Physics | 4 | Expired |
| US8003903B2 | Side stand switch | Electricity | 4 | Active |
| US7416220B2 | Transparent fuel tank for motorcycles | Performing Operations; Transporting | 4 | Active |
| US5515048A | Sensor voltage reading circuit | Electricity | 3 | Expired |
| US7611390B2 | Terminal connection structure for a battery | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.