Inventor
ISHIZU FUMIO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “ISHIZU FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
23 patentsUS6870826B1Mar 22, 2005
Multicarrier transfer system and multicarrier modulation method
MITSUBISHI ELECTRIC CORP154 citations99
US5661765AAug 26, 1997
Receiver and transmitter-receiver
MITSUBISHI ELECTRIC CORP92 citations96
US5475710ADec 12, 1995
Adaptive equalizer and receiver
MITSUBISHI ELECTRIC CORP82 citations95
US7054610B1May 30, 2006
Wireless terminal device
MITSUBISHI ELECTRIC CORP26 citations92
US6449471B1Sep 10, 2002
Wireless terminal device
MITSUBISHI ELECTRIC CORP22 citations92
US6373907B1Apr 16, 2002
Wireless terminal device
MITSUBISHI ELECTRIC CORP36 citations92
US5757862AMay 26, 1998
Demodulator, modulation and demodulation system, and demodulation method
MITSUBISHI ELECTRIC CORP46 citations92
US5179578AJan 12, 1993
Coherent demodulator for π/4 shifted QPSK signal
MITSUBISHI ELECTRIC CORP42 citations92
US7406055B2Jul 29, 2008
Radio communication apparatus, transmitter apparatus, receiver apparatus and radio communication system
MITSUBISHI ELECTRIC CORP15 citations84
US6891906B1May 10, 2005
Demodulator, clock recovery circuit, demodulation method and clock recovery method
MITSUBISHI ELECTRIC CORP14 citations83
US6683925B1Jan 27, 2004
Wireless terminal device
MITSUBISHI ELECTRIC CORP15 citations83
US5541958AJul 30, 1996
Clock recovery circuit of demodulator
MITSUBISHI ELECTRIC CORP14 citations82
US5848104ADec 8, 1998
Demodulator of receiver used for communications
MITSUBISHI ELECTRIC CORP10 citations74
US5651031AJul 22, 1997
Clock recovery circuit of demodulator
MITSUBISHI ELECTRIC CORP11 citations74
US5625649AApr 29, 1997
Clock recovery circuit of demodulator
MITSUBISHI ELECTRIC CORP5 citations74
US6980610B2Dec 27, 2005
Wireless terminal device
MITSUBISHI ELECTRIC CORP7 citations73
US6731910B2May 4, 2004
Data transmission system, data transmitter and data receiver used in the data transmission system
MITSUBISHI ELECTRIC CORP11 citations73
US5914985AJun 22, 1999
Digital demodulator
MITSUBISHI ELECTRIC CORP5 citations63
US5640426AJun 17, 1997
Clock recovery circuit of demodulator
MITSUBISHI ELECTRIC CORP2 citations63
US7764930B2Jul 27, 2010
Data transmission system, data transmitter and data receiver used in the data transmission system
MITSUBISHI ELECTRIC CORP2 citations62
US7477878B2Jan 13, 2009
Data transmission system, data transmitter and data receiver used in the data transmission system
MITSUBISHI ELECTRIC CORP2 citations62
US5977820ANov 2, 1999
Phase estimating circuit and demodulating circuit
MITSUBISHI ELECTRIC CORP3 citations62
US9277561B2Mar 1, 2016
Channel allocation notifying method, communication method, and communication apparatus
MITSUBISHI ELECTRIC CORP0 citations52