Tadao Akamine
12Patents
8h-index
16Co-inventors
65Inventor score
Filing activity: Aug 13, 1990 → Jan 24, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5124272A | Method of producing field effect transistor | Electricity | 325 | Expired |
| US5925574A | Method of producing a bipolar transistor | Emerging Cross-Sectional Technologies | 70 | Expired |
| US5763903A | Avalanche photodiode for light detection | Electricity | 32 | Expired |
| US5338697A | Doping method of barrier region in semiconductor device | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5719414A | Photoelectric conversion semiconductor device with insulation film | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6469405B1 | Constant-current output driver with reduced over-shoot | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5514620A | Method of producing PN junction device | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5753530A | Impurity doping method with diffusion source of boron-silicide film | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5874352A | Method of producing MIS transistors having a gate electrode of matched conductivity type | Electricity | 3 | Expired |
| US5532185A | Impurity doping method with adsorbed diffusion source | Electricity | 3 | Expired |
| US5744850A | Photoelectric conversion semiconductor device | Emerging Cross-Sectional Technologies | 1 | Expired |
| US7868907B2 | Thermal head driving IC and method of controlling the same | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.