Inventor · disambiguated record
Keiji Fukuzawa
Also filed as: FUKUZAWA KEIJI
22 granted patents·1 pending application·633 citations·filing 1983–2008
97Inventor score
Top patents by PatentIndex Score
23 records- 0182US5087920AMicrowave antennaSONY CORP·Filed 1988·Granted Feb 11, 1992·63 cites·15 claims
- 0281US5301352ASatellite broadcast receiving system and change-over divider for use in sameSONY CORP·Filed 1992·Granted Apr 5, 1994·131 cites·3 claims
- 0379US5384557APolarization separator and waveguide-microstrip line mode transformer for microwave apparatusSONY CORP·Filed 1993·Granted Jan 24, 1995·34 cites·5 claims
- 0477US7263713B2Television signal distributor apparatus, receiver apparatus, television signal transmission system and methodSONY CORP·Filed 2001·Granted Aug 28, 2007·18 cites·11 claims
- 0576US7142812B1Wireless transmission systemSONY ELECTRONICS INC·Filed 2000·Granted Nov 28, 2006·22 cites·20 claims
- 0676US4914449AMicrowave antenna structure with intergral radome and rear coverSONY CORP·Filed 1988·Granted Apr 3, 1990·39 cites·10 claims
- 0772US5565805AChange-over divider for use in satellite broadcast receiving systemSONY CORP·Filed 1995·Granted Oct 15, 1996·61 cites·2 claims
- 0870US7471251B2Radio communication system and communication method thereforSONY CORP·Filed 2007·Granted Dec 30, 2008·5 cites·3 claims
- 0965US6779195B2Signal processing apparatus and signal receiving apparatusSONY CORP·Filed 1999·Granted Aug 17, 2004·32 cites·2 claims
- 1065US4792810AMicrowave antennaSONY CORP·Filed 1986·Granted Dec 20, 1988·27 cites·24 claims
- 1162US5926744AReceiving apparatus, receiving method, and terminal unitSONY CORP·Filed 1996·Granted Jul 20, 1999·26 cites·20 claims
- 1262US4570165AAdjustable loop and dipole antennaSONY CORP·Filed 1983·Granted Feb 11, 1986·19 cites·16 claims
- 1360US6046545ALight source apparatus using coaxial waveguideSONY CORP·Filed 1996·Granted Apr 4, 2000·28 cites·9 claims
- 1460US4827276AMicrowave antennaSONY CORP·Filed 1987·Granted May 2, 1989·22 cites·11 claims
- 1554US7760148B2Radio communication system and communication method thereforSONY CORP·Filed 2008·Granted Jul 20, 2010·1 cites·4 claims
- 1654US5675348AFeedome, primary radiator, and antenna for microwaveSONY CORP·Filed 1996·Granted Oct 7, 1997·21 cites·15 claims
- 1750US5670902ASatellite broadcast receiving system and change-over divider for use in sameSONY CORP·Filed 1996·Granted Sep 23, 1997·17 cites·7 claims
- 1850US5276410ACircular to linear polarization converterSONY CORP·Filed 1992·Granted Jan 4, 1994·18 cites·17 claims
- 1945US5438340AElliptical feedhorn and parabolic reflector with perpendicular major axesSONY CORP·Filed 1994·Granted Aug 1, 1995·14 cites·8 claims
- 2043US5933807AScreen control apparatus and screen control methodNITSUKO LTD·Filed 1995·Granted Aug 3, 1999·15 cites·15 claims
- 2142US6252556B1Microwave planar array antennaSONY CORP·Filed 1992·Granted Jun 26, 2001·12 cites·11 claims
- 2240US2003002598A1Receiving device and receiving methodFiled 2001·Application pending·0 cites
- 2338US7779442B1Information distribution systemSONY CORP·Filed 1999·Granted Aug 17, 2010·8 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →