Yasushi Aoki
77Patents
18h-index
100Co-inventors
87Inventor score
Filing activity: Oct 28, 1987 → Aug 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4826207A | Compound suspension system | Mechanical Engineering; Lighting; Heating | 106 | Expired |
| US5658131A | Electric pump control system | Mechanical Engineering; Lighting; Heating | 102 | Expired |
| US5572557A | Semiconductor integrated circuit device including PLL circuit | Electricity | 66 | Expired |
| US5923188A | Clock signal distribution circuit of tree structure with minimized skew | Physics | 52 | Expired |
| US5528198A | Clock signal extraction apparatus using VCO having plurality of selectable phase shifted outputs | Electricity | 50 | Expired |
| US5433512A | Braking system for electric vehicle | Performing Operations; Transporting | 49 | Expired |
| US6278755A | Bit synchronization circuit | Electricity | 46 | Expired |
| US5318355A | Brake system in electric vehicle | Emerging Cross-Sectional Technologies | 43 | Expired |
| US5399000A | Brake system in electric vehicle | Performing Operations; Transporting | 33 | Expired |
| US5467041A | Variable delay buffer circuit | Electricity | 27 | Expired |
| US5170074A | Master-slave clocked flip-flop circuit | Electricity | 27 | Expired |
| US5287772A | Transmission control system in electric vehicle | Mechanical Engineering; Lighting; Heating | 26 | Expired |
| US5191685A | Buckle for watch bands | Emerging Cross-Sectional Technologies | 24 | Expired |
| US5127692A | Article gripping apparatus | Performing Operations; Transporting | 24 | Expired |
| US6236696A | Digital PLL circuit | Electricity | 23 | Expired |
| US5967621A | Brake system for an electric vehicle | Emerging Cross-Sectional Technologies | 21 | Expired |
| US6021365A | Method of testing regenerative braking force in electric vehicle | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5493536A | Dual-port random access memory having memory cell controlled by write data lines and read enable line | Physics | 19 | Expired |
| US5150326A | Register file capable of high speed read operation | Physics | 18 | Expired |
| US5542754A | Brake system in electric vehicle | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5313401A | Mounting system including a plurality of hand mechanisms for picking up, moving and mounting works on an object board | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5165165A | Part inserting apparatus and method for use | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5857755A | Combined hydraulic and regenerative brake system in an electric vehicle | Emerging Cross-Sectional Technologies | 14 | Expired |
| US5013937A | Complementary output circuit for logic circuit | Electricity | 12 | Expired |
| US5453990A | Switching circuit having error detection capability | Physics | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.