Kenichi Onda
47Patents
20h-index
80Co-inventors
88Inventor score
Filing activity: Feb 27, 1978 → Mar 12, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6795322B2 | Power supply with uninterruptible function | Electricity | 303 | Expired |
| US5412558A | Semiconductor integrated circuit unit | Electricity | 176 | Expired |
| US5297015A | Power supply control system | Electricity | 92 | Expired |
| US5768117A | Power supply system for supplying electric power to a load through plural converters | Electricity | 87 | Expired |
| US5384516A | Information processing apparatus including a control circuit for controlling a liquid crystal display illumination based on whether illuminatio power is being supplied from an AC power source or from a battery | Emerging Cross-Sectional Technologies | 74 | Expired |
| US5280228A | Inverter circuit | Electricity | 52 | Expired |
| US6028779A | Power inverter device | Electricity | 43 | Expired |
| US7053502B2 | Power supply with uninterruptible function | Electricity | 34 | Expired |
| US5008586A | Solid state current sensing circuit and protection circuit | Electricity | 32 | Expired |
| US6489756B2 | DC-DC converter with switchable control mode | Emerging Cross-Sectional Technologies | 29 | Expired |
| US5253156A | Semiconductor integrated circuit unit | Electricity | 27 | Expired |
| US6580597B2 | Voltage regulator module for micro processor and CPO using a super capacitor | Electricity | 27 | Expired |
| US4700280A | Switching power supply using a saturable reactor to control a switching element | Electricity | 27 | Expired |
| US7157810B2 | Backup power supply | Electricity | 27 | Expired |
| US5502430A | Flat transformer and power supply unit having flat transformer | Electricity | 24 | Expired |
| US6507507B2 | DC power supply device | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7158392B2 | Switching power supply device and the semiconductor integrated circuit for power supply control | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5274541A | Parallel circuit module including a diode and an IGBT | Electricity | 23 | Expired |
| US5088017A | DC-DC converter and a computer using the converter | Electricity | 22 | Expired |
| US6567261B2 | DC-DC step-down converter with super capacitor | Electricity | 22 | Expired |
| US6381152B1 | Method of driving semiconductor switching device in non-saturated state and power supply apparatus containing such a switching device | Electricity | 20 | Expired |
| US6977448B2 | Backup power supply | Electricity | 20 | Expired |
| US4890009A | Monolithic integrated circuit device | Electricity | 19 | Expired |
| US4749961A | Voltage controlled oscillator and phase-locked loop using it | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5559682A | Multi-output DC-DC convertor | Emerging Cross-Sectional Technologies | 18 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.