Yuichi Takagi
23Patents
9h-index
24Co-inventors
75Inventor score
Filing activity: Jan 31, 1978 → May 13, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6795120B2 | Solid-state imaging apparatus and camera using the same | Electricity | 90 | Expired |
| US6472946B2 | Modulation circuit and image display using the same | Physics | 23 | Expired |
| US6646654B2 | Modulation circuit, image display using the same, and modulation method | Physics | 19 | Expired |
| US5339269A | Semiconductor memory module | Electricity | 16 | Expired |
| US5048545A | Smoking device | Human Necessities | 15 | Expired |
| US5310024A | Disk brake return spring | Mechanical Engineering; Lighting; Heating | 14 | Expired |
| US6771281B2 | Modulation circuit and image display using the same | Physics | 13 | Expired |
| USD396696S | Semiconductor package | General | 9 | Expired |
| US8564702B2 | Solid-state imaging apparatus and camera using the same | Electricity | 9 | Active |
| US7023232B2 | Image display device, drive circuit device and defect detection method of light-emitting diode | Physics | 9 | Expired |
| US5721570A | Display control apparatus | Physics | 9 | Expired |
| US7123175B2 | Angle detection apparatus computing phase differences between first and second phase angles | Electricity | 8 | Expired |
| US6154192A | Liquid crystal display device and data line drive circuit of liquid crystal display device | Physics | 6 | Expired |
| US7741924B2 | Temperature-compensated crystal oscillator and temperature compensation method for oscillator | Electricity | 4 | Active |
| US8098309B2 | Solid-state imaging apparatus and camera using the same | Electricity | 4 | Active |
| US7652650B2 | Current output drive circuit and display device | Physics | 3 | Expired |
| US4223526A | Electronic timepiece | Physics | 2 | Expired |
| US10659722B2 | Video signal receiving apparatus and video signal receiving method | Electricity | 1 | Active |
| US10200741B2 | Content output device and program | Physics | 0 | Active |
| US9854295B2 | Content output device and program | Physics | 0 | Active |
| USD420984S | Lens for semiconductor element | General | 0 | Expired |
| US9521450B2 | Content output device and program | Physics | 0 | Active |
| US9723355B2 | Content output device and program | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.