Inventor
TAKEDA FUMIO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “TAKEDA FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
9 patentsUS4827266AMay 2, 1989
Antenna with lumped reactive matching elements between radiator and groundplate
MITSUBISHI ELECTRIC CORP151 citations99
US4853649AAug 1, 1989
Distributed fet amplifier and bias voltage supply circuit therefor
MITSUBISHI ELECTRIC CORP30 citations92
US4803443AFeb 7, 1989
Microwave power combining FET amplifier
MITSUBISHI ELECTRIC CORP32 citations92
US4789846ADec 6, 1988
Microwave semiconductor switch
MITSUBISHI ELECTRIC CORP29 citations91
US4358770ANov 9, 1982
Multiple frequency antenna feed system
MITSUBISHI ELECTRIC CORP23 citations81
US4052724AOct 4, 1977
Branching filter
MITSUBISHI ELECTRIC CORP28 citations80
US4639694AJan 27, 1987
Power distribution circuit having center portions of isolation resistors connected together
MITSUBISHI ELECTRIC CORP16 citations73
US4607240AAug 19, 1986
Directional coupler
MITSUBISHI ELECTRIC CORP9 citations72
US4490696ADec 25, 1984
Crossed waveguide type polarization separator
MITSUBISHI ELECTRIC CORP10 citations68
HITACHI LTD
8 patentsUS4653742AMar 31, 1987
Sheets separating and feeding apparatus
HITACHI LTD59 citations94
US5001498AMar 19, 1991
Thermal transfer printer
HITACHI LTD27 citations92
US5495371AFeb 27, 1996
Magnetic tape library device and method for maintaining magnetic recording and reproducing device and magnetic head
HITACHI LTD30 citations91
US5062723ANov 5, 1991
Printing apparatus
HITACHI LTD28 citations88
US5739976AApr 14, 1998
Magnetic recording and reproducing apparatus
HITACHI LTD10 citations73
US5570831ANov 5, 1996
Pneumatic static guide for a tape
HITACHI LTD14 citations73
US7081311B2Jul 25, 2006
Fuel cell system
HITACHI LTD3 citations62
US5061092AOct 29, 1991
Multicolor thermal printer recording medium transmission mechanism
HITACHI LTD6 citations61
TOSHIBA KK
7 patentsUS5386670AFeb 7, 1995
Method for manufacturing system floor and floor base for system floor
TOSHIBA KK109 citations96
US4593499AJun 10, 1986
Interior panel
TOSHIBA KK63 citations94
US5245805ASep 21, 1993
Interior panel unit for permitting arrangement of cables and devices on room floor
TOSHIBA KK28 citations92
US5197244AMar 30, 1993
Interior panel unit for permitting arrangement of cables and devices on room floor
TOSHIBA KK31 citations92
US5187907AFeb 23, 1993
Interior panel unit for permitting arrangement of cables and devices on room floor
TOSHIBA KK29 citations92
US5090169AFeb 25, 1992
Interior panel unit for permitting arrangement of cables and devices on room floor
TOSHIBA KK22 citations92
US5184438AFeb 9, 1993
Interior panel unit for permitting arrangement of cables and devices on room floor
TOSHIBA KK20 citations81