Inventor
TOKUNAGA TAKASHI
JP50 patents
⚠️ This page may combine multiple inventors who share the name “TOKUNAGA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI ELECTRIC CORP
17 patentsUS5347485ASep 13, 1994
Magnetic thin film memory
MITSUBISHI ELECTRIC CORP58 citations95
US5208797AMay 4, 1993
Magneto-optical recording media and apparatus
MITSUBISHI ELECTRIC CORP21 citations92
US5679455AOct 21, 1997
Magneto-optic recording medium and apparatus
MITSUBISHI ELECTRIC CORP7 citations74
US5512366AApr 30, 1996
Magneto-optic recording medium and apparatus
MITSUBISHI ELECTRIC CORP11 citations74
US5449566ASep 12, 1995
Overwritable, high-density magneto-optical recording medium and recording/reproduction method therefor
MITSUBISHI ELECTRIC CORP12 citations74
US5258237ANov 2, 1993
Magneto-optic recording medium
MITSUBISHI ELECTRIC CORP8 citations74
US5593791AJan 14, 1997
Magneto-optical recording medium and method of manufacturing the same
MITSUBISHI ELECTRIC CORP6 citations73
US5764600AJun 9, 1998
Overwritable, high-density magneto-optical recording medium and recording/reproduction method therefor
MITSUBISHI ELECTRIC CORP2 citations63
US5216663AJun 1, 1993
Magneto-optic recording medium and manufacturing method
MITSUBISHI ELECTRIC CORP5 citations63
US5191561AMar 2, 1993
Magnetooptical recording medium including five magnetic layers for direct overriding by light intensity modulation without an external bias field
MITSUBISHI ELECTRIC CORP3 citations63
US5130958AJul 14, 1992
Method of and apparatus for overwritting a magneto-optic disk
MITSUBISHI ELECTRIC CORP5 citations63
US5547751AAug 20, 1996
Magneto-optical recording medium and method of manufacturing the same
MITSUBISHI ELECTRIC CORP4 citations62
US5337305AAug 9, 1994
Information storage system
MITSUBISHI ELECTRIC CORP5 citations62
US7797091B2Sep 14, 2010
Rollover judgment apparatus
MITSUBISHI ELECTRIC CORP2 citations61
US7222010B2May 22, 2007
Rollover determination apparatus for vehicles
MITSUBISHI ELECTRIC CORP6 citations60
US5638344AJun 10, 1997
Magneto-optic recording and reproducing apparatus
MITSUBISHI ELECTRIC CORP1 citations52
US7925395B2Apr 12, 2011
Rollover judging device
MITSUBISHI ELECTRIC CORP1 citations51
JAPAN AVIATION ELECTRONICS IND LTD
13 patentsUS9806447B2Oct 31, 2017
Connector having fixed portions of a shell, differential pair of signal contacts and a ground contact arranged in a row forming a fixed portion group
JAPAN AVIATION ELECTRONICS IND LTD2 citations73
US11552419B2Jan 10, 2023
Floating connector
JAPAN AVIATION ELECTRONICS IND LTD3 citations72
US10490958B2Nov 26, 2019
Connector
JAPAN AVIATION ELECTRONICS IND LTD4 citations72
US10033140B2Jul 24, 2018
Connector attachable to a cable which comprises a plurality of signal cables and wire harness using the same
JAPAN AVIATION ELECTRONICS IND LTD6 citations71
US11552420B2Jan 10, 2023
Floating connector
JAPAN AVIATION ELECTRONICS IND LTD2 citations70
USD1089111SAug 19, 2025
Connector
JAPAN AVIATION ELECTRONICS IND LTD1 citations63
USD1117065SMar 10, 2026
Connector
JAPAN AVIATION ELECTRONICS IND LTD0 citations62
USD1106073SDec 16, 2025
Connector
JAPAN AVIATION ELECTRONICS IND LTD0 citations62
USD1095438SSep 30, 2025
Connector
JAPAN AVIATION ELECTRONICS IND LTD0 citations62
USD1092402SSep 9, 2025
Connector
JAPAN AVIATION ELECTRONICS IND LTD0 citations62
USD1089112SAug 19, 2025
Connector
JAPAN AVIATION ELECTRONICS IND LTD0 citations62
USD1086062SJul 29, 2025
Connector
JAPAN AVIATION ELECTRONICS IND LTD0 citations62
US11431119B2Aug 30, 2022
Floating connector
JAPAN AVIATION ELECTRONICS IND LTD1 citations59
JAPAN AVIATION ELECTRON
5 patentsUS6971916B2Dec 6, 2005
Electrical connector for use in transmitting a signal
JAPAN AVIATION ELECTRON83 citations98
US6960103B2Nov 1, 2005
Connector to be mounted to a board and ground structure of the connector
JAPAN AVIATION ELECTRON102 citations98
US7503773B2Mar 17, 2009
Connector, mating connector and board-to-board connector assembly
JAPAN AVIATION ELECTRON23 citations92
US7510445B2Mar 31, 2009
Connector with high connection reliability
JAPAN AVIATION ELECTRON12 citations84
US7708567B2May 4, 2010
Connector having a plurality of connector modules and a housing that holds said plurality of connector modules with a gap between adjacent ones thereof
JAPAN AVIATION ELECTRON2 citations63
KYOCERA CORP
4 patentsUS7811683B2Oct 12, 2010
Cutting tool
KYOCERA CORP28 citations91
US7972409B2Jul 5, 2011
Cemented carbide and cutting tool
KYOCERA CORP12 citations77
US7413591B2Aug 19, 2008
Throw-away tip and cutting tool
KYOCERA CORP4 citations63
US7909905B2Mar 22, 2011
TiCN-base cermet and cutting tool and method for manufacturing cut article using the same
KYOCERA CORP0 citations52
SONY CORP
3 patentsUS7951491B2May 31, 2011
Positive electrode and lithium ion secondary battery
SONY CORP11 citations84
US7759007B2Jul 20, 2010
Cathode active material and lithium ion secondary battery
SONY CORP5 citations63
US9742024B2Aug 22, 2017
Secondary battery, battery pack, electronic apparatus, electric tool, electric vehicle, and power storage system
SONY CORP0 citations50
TOKUNAGA TAKASHI
3 patentsUS9074270B2Jul 7, 2015
Sintered cermet and cutting tool
TOKUNAGA TAKASHI0 citations47
US9012054B2Apr 21, 2015
Secondary battery, battery pack, electronic apparatus, electric tool, electric vehicle, and power storage system
TOKUNAGA TAKASHI0 citations46
US9943910B2Apr 17, 2018
Cutting tool
TOKUNAGA TAKASHI0 citations37