Akinori Fujimura
32Patents
7h-index
36Co-inventors
69Inventor score
Filing activity: Oct 31, 1996 → Jan 27, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6650718B1 | Timing reproducer and demodulator comprising this | Electricity | 34 | Expired |
| US6415004B1 | Phase detector, timing recovery device using the same, and a demodulator using the timing recovery device | Electricity | 27 | Expired |
| US6728298B1 | Spread spectrum communication system and method for the same | Electricity | 24 | Expired |
| US6097766A | Timing phase synchronization detecting circuit and demodulator | Electricity | 20 | Expired |
| US5905767A | Timing recovery apparatus and a diversity communication apparatus using the same | Electricity | 16 | Expired |
| US6104762A | Timing recovery apparatus and a diversity communication apparatus using the same | Electricity | 9 | Expired |
| US6212222A | Initial acquisition circuit | Electricity | 8 | Expired |
| US8861661B2 | Interference wave suppressing apparatus, relay apparatus, relay system, and interference wave suppressing method | Electricity | 6 | Active |
| US8731123B2 | Demultiplexing device, multiplexing device, and relay device | Electricity | 3 | Active |
| US8346161B2 | Satellite communication system | Electricity | 3 | Active |
| US6522684B2 | Delay lock loop, receiver, and spectrum spreading communication system | Electricity | 3 | Expired |
| US8311146B2 | Radio communication system | Electricity | 2 | Active |
| US9473236B2 | Relay apparatus, relay satellite, and satellite communication system | Electricity | 2 | Active |
| US11271639B2 | Communication system, repeater, control station, and control method | Electricity | 1 | Active |
| US8675628B2 | Demultiplexing apparatus, multiplexing apparatus, communication apparatus, and relay satellite | Electricity | 1 | Active |
| US9136933B2 | Demultiplexing apparatus, multiplexing apparatus, and relay apparatus | Electricity | 1 | Active |
| US9749037B2 | Demultiplexing apparatus, multiplexing apparatus, and relay apparatus | Emerging Cross-Sectional Technologies | 1 | Active |
| US6850576B2 | Method and apparatus for reproducing timing, and a demodulating apparatus that uses the method and apparatus for reproducing timing | Electricity | 1 | Expired |
| US10454567B2 | Multi-beam satellite communication system | Electricity | 0 | Active |
| US11456812B2 | Demultiplexing circuit, multiplexing circuit, and channelizer relay unit | Electricity | 0 | Active |
| US11764868B2 | Satellite transmitter and relay satellite communication system | Electricity | 0 | Active |
| US8542785B2 | Communication apparatus and communication system | Electricity | 0 | Active |
| US7194240B2 | Radio communication apparatus | Electricity | 0 | Expired |
| US11387894B2 | Satellite receiver and satellite communication system | Electricity | 0 | Active |
| US8462875B2 | Timing regenerating device | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.