Ryuichi Saito
117Patents
26h-index
154Co-inventors
93Inventor score
Filing activity: Oct 23, 1986 → May 21, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4772927A | Thin film FET doped with diffusion inhibitor | Electricity | 142 | Expired |
| US6661659B2 | Water cooled inverter | Electricity | 70 | Expired |
| US5307304A | Semiconductor memory device and method of operation thereof | Electricity | 62 | Expired |
| US5561440A | Liquid crystal display device and driving method therefor | Physics | 60 | Expired |
| US6621701B2 | Water cooled inverter | Electricity | 58 | Expired |
| US5956231A | Semiconductor device having power semiconductor elements | Electricity | 50 | Expired |
| US6594149B2 | Liquid cooled circuit device | Emerging Cross-Sectional Technologies | 49 | Expired |
| US4956693A | Semiconductor device | Electricity | 47 | Expired |
| US6064358A | Liquid crystal display device and driving method therefor | Physics | 46 | Expired |
| US6331845A | Liquid crystal display device and driving method therefor | Physics | 46 | Expired |
| US5621243A | Semiconductor device having thermal stress resistance structure | Electricity | 44 | Expired |
| US5459655A | Neutral-point clamped inverter device using semiconductor modules | Electricity | 44 | Expired |
| US6588647B2 | Liquid cooled circuit device and a manufacturing method thereof | Emerging Cross-Sectional Technologies | 43 | Expired |
| US7978471B2 | Electric power conversion apparatus | Emerging Cross-Sectional Technologies | 40 | Active |
| US5731970A | Power conversion device and semiconductor module suitable for use in the device | Emerging Cross-Sectional Technologies | 38 | Expired |
| US6434008B1 | Semiconductor device | Electricity | 37 | Expired |
| US4862240A | Complementary semiconductor device | Electricity | 37 | Expired |
| US4894801A | Stacked MOS transistor flip-flop memory cell | Electricity | 34 | Expired |
| US7969735B2 | Power converter | Emerging Cross-Sectional Technologies | 33 | Active |
| US5801936A | Semiconductor module for a power conversion device | Electricity | 32 | Expired |
| US5247198A | Semiconductor integrated circuit device with multiplayered wiring | Electricity | 31 | Expired |
| US7830689B2 | Power converter | Electricity | 31 | Active |
| US6366564B1 | Diplexer duplexer and two-channel mobile communications equipment | Electricity | 30 | Expired |
| US8064234B2 | Power conversion apparatus | Electricity | 30 | Active |
| US6353258B1 | Semiconductor module | Electricity | 28 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.