Toshikazu Imaoka
19Patents
7h-index
27Co-inventors
66Inventor score
Filing activity: Mar 3, 1976 → May 27, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5825080A | Semiconductor device provided with surface grounding conductor for covering surfaces of electrically insulating films | Electricity | 82 | Expired |
| US5590412A | Communication apparatus using common amplifier for transmission and reception | Electricity | 38 | Expired |
| US7453153B2 | Circuit device | Electricity | 18 | Active |
| US5559457A | Double-balanced mixer circuit | Electricity | 16 | Expired |
| US5585676A | IC chip for different type IC packages | Electricity | 15 | Expired |
| US8063846B2 | Semiconductor module and mobile apparatus | Electricity | 10 | Active |
| US7432580B2 | Semiconductor device with a substrate having a spiral shaped coil | Electricity | 7 | Expired |
| US8110895B2 | Circuit substrate structure and circuit apparatus | Electricity | 5 | Active |
| US7750434B2 | Circuit substrate structure and circuit apparatus | Electricity | 4 | Active |
| US4042469A | Process for electrolytically coloring aluminum and aluminum alloys in gold | Chemistry; Metallurgy | 4 | Expired |
| US8110929B2 | Semiconductor module | Electricity | 4 | Active |
| US7468645B2 | Signal line circuit device | Electricity | 4 | Expired |
| US6628174B2 | Voltage-controlled oscillator and communication device | Electricity | 2 | Expired |
| US7875980B2 | Semiconductor device having laminated structure | Electricity | 1 | Expired |
| US7709941B2 | Resin-sealed semiconductor device and method of manufacturing the same | Electricity | 1 | Expired |
| US6778032B2 | Voltage controlled oscillator and phase-locked oscillator using the same | Electricity | 1 | Expired |
| US6380814B1 | Voltage-controlled oscillator having a variable capacitive element with an electrode coupled to a resonator | Electricity | 1 | Expired |
| US7450397B2 | Wiring board and circuit apparatus | Emerging Cross-Sectional Technologies | 0 | Active |
| US7893539B2 | Semiconductor apparatus and mobile apparatus | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.