Hisanori Uda
18Patents
9h-index
21Co-inventors
68Inventor score
Filing activity: Apr 15, 1993 → Sep 7, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5945867A | Switch circuit device | Electricity | 94 | Expired |
| US5955926A | Power amplifier and chip carrier | Electricity | 83 | Expired |
| US6218890A | Switching circuit device and semiconductor device | Electricity | 67 | Expired |
| US5477184A | Fet switching circuit for switching between a high power transmitting signal and a lower power receiving signal | Electricity | 56 | Expired |
| US5590412A | Communication apparatus using common amplifier for transmission and reception | Electricity | 38 | Expired |
| US6140892A | Distributed constant circuit | Electricity | 19 | Expired |
| US5559457A | Double-balanced mixer circuit | Electricity | 16 | Expired |
| US5585676A | IC chip for different type IC packages | Electricity | 15 | Expired |
| US6052029A | Stabilizing circuit and amplifier | Electricity | 9 | Expired |
| US7209842B2 | Activation signal output circuit and determination circuit | Electricity | 4 | Expired |
| US7215162B2 | Start signal outputting circuit | Electricity | 2 | Expired |
| US6388540B1 | Distributed constant circuit in an amplifier | Electricity | 1 | Expired |
| US7982663B2 | Digital signal processor | Physics | 1 | Active |
| US7035348B2 | Receiver apparatus | Electricity | 1 | Expired |
| US7301419B2 | Filtering type frequency switching circuit | Electricity | 1 | Expired |
| US7688164B2 | High frequency circuit board converting a transmission mode of high frequency signals | Electricity | 1 | Active |
| US7536153B2 | Activation signal output circuit having multiple amplifier circuits | Electricity | 1 | Expired |
| US8217715B2 | Active polyphase filter producing two difference outputs having phase difference of π/2 radians | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.