Tadashi Aoki
32Patents
10h-index
54Co-inventors
78Inventor score
Filing activity: Oct 2, 1974 → May 27, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4401383A | Transfer device for use in retention type electrophotographic copying machine | Physics | 31 | Expired |
| US6684651B1 | Channel selector valve and method of driving the same, compressor with the channel selector valve, and device for controlling refrigerating cycle | Emerging Cross-Sectional Technologies | 16 | Expired |
| US9697758B2 | Control device, display device, and display device control method | Physics | 15 | Active |
| US4202365A | Fire tested butterfly valve | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4644760A | Reversible four-way valve for reversible refrigerating cycle | Emerging Cross-Sectional Technologies | 15 | Expired |
| US6995516B2 | Drive circuit, display device, and driving method | Physics | 13 | Expired |
| US4760709A | Five-way valve having simultaneous defrosting and heating functions | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6164331A | Channel-switching valve and method of controlling the same, and refrigerating cycle and method of controlling the same | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7079123B2 | Driving apparatus, driver circuit, and image display apparatus | Physics | 11 | Expired |
| US6244298A | Channel-switching valve and method of controlling the same, and refrigerating cycle and method of controlling the same | Emerging Cross-Sectional Technologies | 11 | Expired |
| US7573472B2 | Drive circuit, display device, and driving method | Physics | 10 | Active |
| US4228816A | Fire safe butterfly valve | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7463254B2 | Driving apparatus, driver circuit, and image display apparatus | Physics | 9 | Active |
| US6295042A | Display apparatus | Physics | 8 | Expired |
| US6489940B1 | Display device driver IC | Physics | 7 | Expired |
| US4403237A | Charge transfer device having a bent charge transfer channel | Electricity | 7 | Expired |
| US3952537A | Reversing valve means for use with a reversible refrigerating cycle system | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US7126597B2 | Scanning circuit and image display device | Physics | 6 | Expired |
| US7746338B2 | Scanning circuit and image display device | Physics | 3 | Active |
| US6882329B2 | Drive signal generator and image display apparatus | Physics | 3 | Expired |
| US6970162B2 | Image display apparatus | Physics | 3 | Expired |
| US6534119B1 | Wire and a process for its production | Chemistry; Metallurgy | 3 | Expired |
| US5204833A | Method and apparatus for recording waveform | Physics | 2 | Expired |
| US9243939B2 | Flow volume measurement device and flow velocity measurement device | Physics | 2 | Active |
| US8607547B2 | Flue gas purifying device | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.