Inventor
KATAGI TAKASHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “KATAGI TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
23 patentsUS5784034AJul 21, 1998
Antenna apparatus
MITSUBISHI ELECTRIC CORP145 citations97
US5262791ANov 16, 1993
Multi-layer array antenna
MITSUBISHI ELECTRIC CORP98 citations96
US6529170B1Mar 4, 2003
Two-frequency antenna, multiple-frequency antenna, two- or multiple-frequency antenna array
MITSUBISHI ELECTRIC CORP67 citations95
US5434579AJul 18, 1995
Inverted F antenna with non-contact feeding
MITSUBISHI ELECTRIC CORP49 citations95
US4827270AMay 2, 1989
Antenna device
MITSUBISHI ELECTRIC CORP69 citations95
US5717410AFeb 10, 1998
Omnidirectional slot antenna
MITSUBISHI ELECTRIC CORP32 citations92
US4922257AMay 1, 1990
Conformal array antenna
MITSUBISHI ELECTRIC CORP28 citations92
US6043776AMar 28, 2000
Mobile satellite communication system
MITSUBISHI ELECTRIC CORP29 citations91
US5684492ANov 4, 1997
Antenna device having a band pass filter
MITSUBISHI ELECTRIC CORP41 citations91
US5257030AOct 26, 1993
Antenna system
MITSUBISHI ELECTRIC CORP26 citations89
US5592185AJan 7, 1997
Antenna apparatus and antenna system
MITSUBISHI ELECTRIC CORP41 citations88
US4644359AFeb 17, 1987
Antenna system
MITSUBISHI ELECTRIC CORP20 citations81
US4052724AOct 4, 1977
Branching filter
MITSUBISHI ELECTRIC CORP28 citations80
US5181040AJan 19, 1993
Method of measuring the null angle of a monopulse antenna and apparatus therefor
MITSUBISHI ELECTRIC CORP15 citations73
US4559540ADec 17, 1985
Antenna system with plural horn feeds
MITSUBISHI ELECTRIC CORP9 citations73
US4462034AJul 24, 1984
Antenna system with plural horn feeds
MITSUBISHI ELECTRIC CORP13 citations73
US5374934ADec 20, 1994
Antenna mirror-surface measuring system
MITSUBISHI ELECTRIC CORP17 citations72
US4618866AOct 21, 1986
Dual reflector antenna system
MITSUBISHI ELECTRIC CORP15 citations72
US4500882AFeb 19, 1985
Antenna system
MITSUBISHI ELECTRIC CORP13 citations72
US6426730B1Jul 30, 2002
Multi-frequency array antenna
MITSUBISHI ELECTRIC CORP5 citations62
US4506270AMar 19, 1985
Reflecting mirror antenna unit with diverse curvature
MITSUBISHI ELECTRIC CORP2 citations62
US4356494AOct 26, 1982
Dual reflector antenna
MITSUBISHI ELECTRIC CORP6 citations61
US5075692ADec 24, 1991
Antenna system
MITSUBISHI ELECTRIC CORP2 citations58