Takayuki Yamaguchi
60Patents
11h-index
97Co-inventors
81Inventor score
Filing activity: Jun 30, 1986 → Nov 30, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7024390B1 | Electronic wallet management system, electronic wallet device, electronic wallet management unit, and terminal station | Physics | 142 | Expired |
| US5754202A | Ink jet recording apparatus | Performing Operations; Transporting | 44 | Expired |
| US5793073A | Semiconductor thin film sensor device with (110) plane | Physics | 38 | Expired |
| US5389962A | Ink jet recording head assembly | Performing Operations; Transporting | 34 | Expired |
| US5412413A | Method and apparatus for making liquid drop fly to form image by generating bubble in liquid | Performing Operations; Transporting | 27 | Expired |
| US5852239A | Flow sensor having an intermediate heater between two temperature-sensing heating portions | Physics | 25 | Expired |
| US4651164A | Thermal print head | Performing Operations; Transporting | 17 | Expired |
| US7107454B2 | Signature system presenting user signature information | Physics | 16 | Expired |
| US5983700A | Calibration method of a flow sensor output | Physics | 15 | Expired |
| US6118166A | Thin-film microstructure sensor having a temperature-sensitive resistor to provide a large TCR with little variation | Electricity | 12 | Expired |
| US5740661A | Method and apparatus of producing sheet wrapping body | Performing Operations; Transporting | 12 | Expired |
| US5659474A | Diagnostic apparatus for squib line system in vehicular air bag system | Physics | 10 | Expired |
| US6203673A | Method of producing a thin-film platinum temperature-sensitive resistor for a thin-film microstructure sensor | Electricity | 10 | Expired |
| US7523982B2 | Sealing structure | Performing Operations; Transporting | 8 | Active |
| US7805223B2 | Dialogue system | Physics | 8 | Active |
| US6343520B1 | Automatic transmission control system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6470763B2 | Shift control device for automatic transmission | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6497616B2 | Air conditioner outlet vent device | Performing Operations; Transporting | 6 | Expired |
| US6345548B1 | Automatic transmission control system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6364801B1 | Automatic transmission control system | Emerging Cross-Sectional Technologies | 5 | Expired |
| US9903996B2 | Light guide plate display device | Physics | 4 | Active |
| US9240710B2 | Vibration-powered generator | Electricity | 4 | Active |
| US5880366A | Flow sensor apparatus installed in a fluid path | Physics | 3 | Expired |
| US8697459B2 | Surface emitting laser module, optical scanner, and image forming apparatus | Electricity | 3 | Active |
| US9982864B2 | Illumination apparatus and automobile equipped with same | Physics | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.