Inventor
TSUJIMOTO ICHIRO
JP31 patents
⚠️ This page may combine multiple inventors who share the name “TSUJIMOTO ICHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NEC CORP
30 patentsUS5493307AFeb 20, 1996
Maximal deversity combining interference cancellation using sub-array processors and respective delay elements
NEC CORP186 citations99
US5119401AJun 2, 1992
Decision feedback equalizer including forward part whose signal reference point is shiftable depending on channel response
NEC CORP184 citations99
US6075808AJun 13, 2000
Spread spectrum time diversity communications system
NEC CORP87 citations98
US5859870AJan 12, 1999
Time diversity transmission-reception system
NEC CORP99 citations98
US5752173AMay 12, 1998
Diversity communication system with adaptably oriented multiple beam patterns
NEC CORP104 citations98
US5646958AJul 8, 1997
Decision feedback equalizer for canceling short-and long-multipath components using correspondingly delayed decision symbols
NEC CORP102 citations98
US5689528ANov 18, 1997
Decision feedback equalizer with adaptive filter array operating as feedforward filter of the equalizer
NEC CORP58 citations96
US5367536ANov 22, 1994
Parallel transmission of TDMA sync and data bursts by artificial frequency selective fade and decision feedback equalization
NEC CORP88 citations96
US5349609ASep 20, 1994
Adaptive interference cancellation and equalization using equalizer decision error as a common corrective factor
NEC CORP62 citations96
US5345476ASep 6, 1994
Interference canceller with feedforward transversal filter having switched tap-gain coefficients
NEC CORP61 citations96
US5228058AJul 13, 1993
Adaptive equalizer
NEC CORP31 citations93
US6556617B1Apr 29, 2003
Spread spectrum diversity transmitter/receiver
NEC CORP41 citations92
US6006072ADec 21, 1999
Method and apparatus for interference cancellation
NEC CORP52 citations92
US5982825ANov 9, 1999
Method and apparatus for cancelling interference jamming in digital radio transmission
NEC CORP41 citations92
US5757853AMay 26, 1998
Spread spectrum time diversity communications system
NEC CORP40 citations92
US5636242AJun 3, 1997
Diversity transmitter/receiver
NEC CORP48 citations92
US5524023AJun 4, 1996
Interference cancellation using power-inversion adaptive array and LMS adaptive equalizer
NEC CORP50 citations92
US5524125AJun 4, 1996
Interference cancellation apparatus capable of adaptive equalization and interference cancellation at a high speed on fading diversity channels
NEC CORP55 citations92
US5425059AJun 13, 1995
Adaptive receiving apparatus for digital communication system
NEC CORP51 citations92
US5398259AMar 14, 1995
Decision-feedback equalizer for cancelling CW interference
NEC CORP31 citations92
US5379046AJan 3, 1995
Interference wave canceller
NEC CORP28 citations92
US5369412ANov 29, 1994
Sidelobe cancellation and diversity reception using a single array of auxiliary antennas
NEC CORP49 citations92
US5313411AMay 17, 1994
Adaptive receiver capable of achieving both of matched filtering function and carrier recovery function
NEC CORP29 citations92
US6310907B1Oct 30, 2001
Spread spectrum diversity transceiver
NEC CORP17 citations84
US6741838B2May 25, 2004
Method and device for diversity transmission/reception
NEC CORP8 citations74
US5568523AOct 22, 1996
Method and apparatus for adaptively canceling interference signals
NEC CORP12 citations74
US5335359AAug 2, 1994
Diversity receiver using matched filter and decision feedback equalizer
NEC CORP16 citations70
US9407301B2Aug 2, 2016
Angle diversity receiving device and angle diversity receiving method
NEC CORP2 citations63
US5479417ADec 26, 1995
Error correction apparatus capable of improving error correction ability without expansion of a frequency band
NEC CORP6 citations63
US9900187B2Feb 20, 2018
Wireless communication system, wireless communication device, and wireless communication method
NEC CORP0 citations42