Inventor

SHIMIZU KEIICHI

JP113 patents

⚠️ This page may combine multiple inventors who share the name “SHIMIZU KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA LIGHTING & TECHNOLOGY

18 patents

US8354804B2Jan 15, 2013

Power supply device and lighting equipment

TOSHIBA LIGHTING & TECHNOLOGY59 citations97

US5777861AJul 7, 1998

Power supply apparatus having high power-factor and low distortion-factor characteristics

TOSHIBA LIGHTING & TECHNOLOGY55 citations95

USD574541SAug 5, 2008

Recessed lighting fixture

TOSHIBA LIGHTING & TECHNOLOGY24 citations93

USD517725SMar 21, 2006

Lens for light-emitting device

TOSHIBA LIGHTING & TECHNOLOGY20 citations93

USD502284SFeb 22, 2005

Reflector for lighting device

TOSHIBA LIGHTING & TECHNOLOGY31 citations93

US5303140AApr 12, 1994

Power source circuit

TOSHIBA LIGHTING & TECHNOLOGY29 citations93

US8042973B2Oct 25, 2011

Lighting apparatus

TOSHIBA LIGHTING & TECHNOLOGY14 citations92

US7952295B2May 31, 2011

Illuminating device

TOSHIBA LIGHTING & TECHNOLOGY17 citations92

US7722213B2May 25, 2010

Lighting apparatus

TOSHIBA LIGHTING & TECHNOLOGY12 citations92

USD610289SFeb 16, 2010

Recessed lighting fixture

TOSHIBA LIGHTING & TECHNOLOGY44 citations92

US6177768B1Jan 23, 2001

Discharge lamp lighting device and illumination device

TOSHIBA LIGHTING & TECHNOLOGY41 citations92

US5951145ASep 14, 1999

Lighting apparatus

TOSHIBA LIGHTING & TECHNOLOGY78 citations92

US5737207AApr 7, 1998

Power supply

TOSHIBA LIGHTING & TECHNOLOGY31 citations92

US5939836AAug 17, 1999

Discharge lamp lighting apparatus and lighting apparatus

TOSHIBA LIGHTING & TECHNOLOGY27 citations91

US5453667ASep 26, 1995

Inverter having frequency changing function

TOSHIBA LIGHTING & TECHNOLOGY32 citations89

US7211970B2May 1, 2007

Discharge lamp lighting device and lighting unit

TOSHIBA LIGHTING & TECHNOLOGY11 citations84

USD618827SJun 29, 2010

Light emitting diode module

TOSHIBA LIGHTING & TECHNOLOGY6 citations74

US6548964B2Apr 15, 2003

Discharge lamp lighting apparatus and luminaire using the same

TOSHIBA LIGHTING & TECHNOLOGY7 citations74

MITSUBISHI ELECTRIC CORP

5 patents

US6987771B2Jan 17, 2006

Route optimization method and agent apparatus

MITSUBISHI ELECTRIC CORP72 citations98

US7787476B2Aug 31, 2010

Layer 2 switch network system

MITSUBISHI ELECTRIC CORP22 citations93

US7486670B2Feb 3, 2009

Method for packet communication and computer program stored on computer readable medium

MITSUBISHI ELECTRIC CORP10 citations84

US7369492B2May 6, 2008

Radio area network control system and a wide area radio area network control system

MITSUBISHI ELECTRIC CORP9 citations84

US7464177B2Dec 9, 2008

Mobile network that routes a packet without transferring the packet to a home agent server

MITSUBISHI ELECTRIC CORP7 citations74

TOYO KOHAN CO LTD

4 patents

US5544517AAug 13, 1996

Method of redrawing a predrawn coated metal can

TOYO KOHAN CO LTD24 citations93

US6238783B1May 29, 2001

Thermoplastic resin coated aluminum alloy sheet, and method and apparatus for production thereof

TOYO KOHAN CO LTD34 citations91

US6099953AAug 8, 2000

Thermoplastic resin-coated aluminum alloy plate, and process and apparatus for producing the same

TOYO KOHAN CO LTD18 citations82

US4562717AJan 7, 1986

Drawing punch for drawing foil

TOYO KOHAN CO LTD24 citations82

OMRON TATEISI ELECTRONICS CO

4 patents

US6005201ADec 21, 1999

Switch

OMRON TATEISI ELECTRONICS CO22 citations92

US7297884B2Nov 20, 2007

Switching arrangement

OMRON TATEISI ELECTRONICS CO9 citations74

US7294801B2Nov 13, 2007

Switching device

OMRON TATEISI ELECTRONICS CO9 citations74

US7145090B2Dec 5, 2006

Switching device

OMRON TATEISI ELECTRONICS CO7 citations74

NISSAN MOTOR

3 patents

US4455588AJun 19, 1984

Electronical unlocking method and system

NISSAN MOTOR63 citations96

US4477806AOct 16, 1984

Mischief preventive electronic lock device

NISSAN MOTOR21 citations82

US4603563AAug 5, 1986

Magnetic door locking system

NISSAN MOTOR25 citations80

KOKUSAN KINZOKU KOGYO KK

2 patents

US4478445AOct 23, 1984

Door handle assembly

KOKUSAN KINZOKU KOGYO KK28 citations93

US4516415AMay 14, 1985

Steering lock for automobiles

KOKUSAN KINZOKU KOGYO KK25 citations80

WATANABE SATOSHI

2 patents

US8613529B2Dec 24, 2013

Lighting fixture

WATANABE SATOSHI23 citations92

US8430535B2Apr 30, 2013

Socket device, lamp device and lighting device

WATANABE SATOSHI11 citations92

BETSUDA NOBUHIKO

2 patents

US8567990B2Oct 29, 2013

Light emitting diode (LED) bulb

BETSUDA NOBUHIKO7 citations83

US8427059B2Apr 23, 2013

Lighting device

BETSUDA NOBUHIKO11 citations83

YOSHINOBU MASAYUKI

1 patent

USD656262SMar 20, 2012

Recess lighting fixture

YOSHINOBU MASAYUKI121 citations97

TAKENAKA ERIKA

1 patent

US8057072B2Nov 15, 2011

Light-emitting module and illumination apparatus

TAKENAKA ERIKA70 citations95

WATANABE HIROAKI

1 patent

US8197086B2Jun 12, 2012

Lighting fixture

WATANABE HIROAKI43 citations93

TOSHIBA ELECTRIC EQUIP

1 patent

US4992702AFeb 12, 1991

Inverter capable of controlling operating frequency

TOSHIBA ELECTRIC EQUIP28 citations92

ANDO ELECTRIC

1 patent

US6512610B1Jan 28, 2003

Device and method for testing of multi-branch optical network

ANDO ELECTRIC53 citations91

KANSAI PAINT CO LTD

1 patent

US5840384ANov 24, 1998

Aqueous coating composition for exterior surface of can

KANSAI PAINT CO LTD51 citations91

HONDA MOTOR CO LTD

1 patent

US6697741B2Feb 24, 2004

Method and system for evaluating and monitoring hydraulic pump noise levels

HONDA MOTOR CO LTD41 citations89

MATSUDA RYOTARO

1 patent

US8894254B2Nov 25, 2014

Luminaire and lamp apparatus housing

MATSUDA RYOTARO7 citations82

SHIMIZU KEIICHI

1 patent

US8864511B2Oct 21, 2014

Tube lamp and luminaire

SHIMIZU KEIICHI7 citations82

SANDEN CORP

1 patent

US4893993AJan 16, 1990

Lubrication system for a refrigerant compressor

SANDEN CORP11 citations74

Showing the top 50 of 113 patents by PatentIndex Score.