Ryoji Oki
11Patents
8h-index
12Co-inventors
65Inventor score
Filing activity: Mar 9, 1993 → May 27, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5285862A | Power supply system for hybrid vehicles | Emerging Cross-Sectional Technologies | 57 | Expired |
| US8039976B2 | Power supply control apparatus and method for hybrid vehicle | Emerging Cross-Sectional Technologies | 29 | Active |
| US6917179B2 | Load driver and control method for safely driving DC load and computer-readable recording medium with program recorded thereon for allowing computer to execute the control | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7164253B2 | Motor drive control apparatus | Emerging Cross-Sectional Technologies | 21 | Expired |
| US7102903B2 | Drive apparatus, control method for the drive apparatus, storage medium storing a program controlling the drive apparatus, and power output apparatus | Electricity | 20 | Expired |
| US7120037B2 | POWER OUTPUTTING DEVICE AND VEHICLE MOUNTING IT, CONTROL METHOD, STORING MEDIUM AND PROGRAM FOR THE POWER OUTPUTTING DEVICE, DRIVE DEVICE AND VEHICLE MOUNTING IT, AND, CONTROL METHOD, STORING MEDIUM AND PROGRAM FOR THE DRIVE DEVICE | Emerging Cross-Sectional Technologies | 17 | Expired |
| US7847499B2 | Electric load apparatus, electric load controlling method and computer readable recording medium recording program for causing computer to execute control of electric load | Emerging Cross-Sectional Technologies | 12 | Active |
| US7594491B2 | Internal combustion engine start controller | Emerging Cross-Sectional Technologies | 11 | Active |
| US8648571B2 | Electric-powered vehicle, method for estimating state of charge, and computer-readable storage medium having program stored therein for causing computer to execute method for estimating state of charge | Emerging Cross-Sectional Technologies | 4 | Active |
| USRE41303E1 | Load driver and control method for safely driving DC load and computer-readable recording medium with program recorded thereon for allowing computer to execute the control | General | 4 | Expired |
| US9337681B2 | Power source system, vehicle including same, and method for controlling power source system | Emerging Cross-Sectional Technologies | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.