Yasuo Sato
107Patents
19h-index
171Co-inventors
89Inventor score
Filing activity: Oct 28, 1975 → Apr 27, 2018
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4997029A | Air conditioning apparatus | Mechanical Engineering; Lighting; Heating | 186 | Expired |
| US5596527A | Electrically alterable n-bit per cell non-volatile memory with reference cells | Physics | 145 | Expired |
| US5424978A | Non-volatile semiconductor memory cell capable of storing more than two different data and method of using the same | Physics | 127 | Expired |
| US5418743A | Method of writing into non-volatile semiconductor memory | Physics | 116 | Expired |
| US7216021B2 | Method, system and computer program for managing energy consumption | Emerging Cross-Sectional Technologies | 114 | Expired |
| US6469343B1 | Multi-level type nonvolatile semiconductor memory device | Electricity | 76 | Expired |
| US5550562A | Data processing device that enables mouse-operated application programs to be operated from an operation pad, and an operation pad for use with the same | Physics | 75 | Expired |
| US5535716A | Compression ignition type gasoline engine injecting fuel inside intake port during exhaust stroke | Emerging Cross-Sectional Technologies | 43 | Expired |
| US6596590B1 | Method of making multi-level type non-volatile semiconductor memory device | Electricity | 40 | Expired |
| US6285596A | Multi-level type nonvolatile semiconductor memory device | Electricity | 36 | Expired |
| US4771610A | Multiroom air conditioner | Mechanical Engineering; Lighting; Heating | 35 | Expired |
| US5467757A | Compression-ignition type engine and combustion method of same | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5793081A | Nonvolatile semiconductor storage device and method of manufacturing | Electricity | 30 | Expired |
| US5612238A | Method of manufacturing first and second memory cell arrays with a capacitor and a nonvolatile memory cell | Electricity | 29 | Expired |
| US4146108A | Braking system responsive to abrupt release of accelerator pedal | Performing Operations; Transporting | 25 | Expired |
| US6006720A | Internal combustion engine | Emerging Cross-Sectional Technologies | 22 | Expired |
| US7199496B2 | Integrated electric motor and drive, optimized for high-temperature operation | Electricity | 20 | Expired |
| US6338009B1 | Method and apparatus for estimating frequency characteristics of power system, and application thereof | Electricity | 19 | Expired |
| US5960283A | Nonvolatile semiconductor memory device and method of fabrication of the same | Electricity | 19 | Expired |
| US8330415B2 | Charge/discharge control apparatus | Emerging Cross-Sectional Technologies | 19 | Active |
| US6169806A | Computer, computer system and desk-top theater system | Electricity | 17 | Expired |
| US5016800A | Method of cutting workpiece | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6397233B1 | Document processing apparatus and computer program product therefor | Physics | 16 | Expired |
| US5995471A | Editing device and editing method | Physics | 15 | Expired |
| US6208346A | Attribute information presenting apparatus and multimedia system | Physics | 15 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.