Hidehiko Sugimoto
26Patents
9h-index
30Co-inventors
75Inventor score
Filing activity: Jan 2, 1979 → Feb 16, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5301111A | Suspension apparatus for a vehicle | Performing Operations; Transporting | 29 | Expired |
| US5141082A | Linear motor elevator system | Performing Operations; Transporting | 29 | Expired |
| US4885520A | Induction motor controller | Electricity | 22 | Expired |
| US6144139A | Piezoelectric transformer inverter | Electricity | 21 | Expired |
| US4379258A | Power control circuit for induction motor | Electricity | 16 | Expired |
| US7750524B2 | Superconductor magnetizing device and superconducting synchronization device | Emerging Cross-Sectional Technologies | 16 | Expired |
| US4675802A | Three-phase-to-three-phase power converter | Electricity | 16 | Expired |
| US5583752A | Switching power supply for generating a voltage in accordance with an instruction signal | Electricity | 10 | Expired |
| US5065304A | Controller for AC power converter | Electricity | 10 | Expired |
| US4969080A | A method of decoupling a three-phase converter | Electricity | 9 | Expired |
| US4320332A | Speed control system for induction motor | Electricity | 9 | Expired |
| US5844403A | Power apparatus | Electricity | 8 | Expired |
| US4484257A | Series-connected assembly of electronic switches | Electricity | 5 | Expired |
| US4991075A | Low-switching loss DC-DC converter | Electricity | 5 | Expired |
| US7598647B2 | Inductor-type synchronous machine | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4308578A | Inverter device | Electricity | 3 | Expired |
| US7872393B2 | Axial gap type superconducting motor | Emerging Cross-Sectional Technologies | 3 | Active |
| US7667358B2 | Cooling structure of superconducting motor | Emerging Cross-Sectional Technologies | 3 | Active |
| US7791246B2 | Axial motor | Electricity | 3 | Active |
| US8354907B2 | Superconducting coil assembly and magnetic field generating equipment | Electricity | 2 | Active |
| US8022797B2 | Superconducting coil apparatus and inductor-type synchronous machine | Emerging Cross-Sectional Technologies | 2 | Active |
| US7977844B2 | Inductor-type synchronous machine | Emerging Cross-Sectional Technologies | 1 | Active |
| US4309750A | Inverter device | Electricity | 1 | Expired |
| US9906070B2 | Distributed power source system with storage battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US7932659B2 | Superconducting device and axial-type superconducting motor | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.