Inventor

ISHII TAKUYA

JP121 patents

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

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

22 patents

US7250746B2Jul 31, 2007

Current mode switching regulator with predetermined on time

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD105 citations98

US5905369AMay 18, 1999

Variable frequency switching of synchronized interleaved switching converters

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD195 citations98

US7274116B2Sep 25, 2007

direct-current power supply and battery-powered electronic apparatus equipped with the power supply

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD59 citations97

US6882130B2Apr 19, 2005

Battery-driven electronic device and mobile communication apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD53 citations96

US5490052AFeb 6, 1996

Switching power supply

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD61 citations96

US5146394ASep 8, 1992

Fly back converter switching power supply device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD109 citations95

US7268525B2Sep 11, 2007

Buck-boost converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD41 citations92

US7239200B2Jul 3, 2007

Power amplifying apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD25 citations92

US6946820B2Sep 20, 2005

Multiple output DC-DC converter for providing controlled voltages

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD22 citations92

US5615098AMar 25, 1997

AC-DC converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD38 citations92

US5448465ASep 5, 1995

Switching power supply without switching induced spike voltages

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD47 citations92

US5383106AJan 17, 1995

Regenerative control type switching power source device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations92

US6831448B2Dec 14, 2004

DC-to-DC converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD37 citations91

US6477063B2Nov 5, 2002

Multi-output switching power source apparatus

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD23 citations91

US7348800B2Mar 25, 2008

Level shift circuit

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations90

US7119521B2Oct 10, 2006

Multi-output DC-DC converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations84

US7075277B2Jul 11, 2006

DC-DC converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations84

US7391199B2Jun 24, 2008

DC-DC converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD10 citations83

US7294994B2Nov 13, 2007

Power supply

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations83

US6850401B2Feb 1, 2005

DC-DC converter

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations81

US5774345AJun 30, 1998

Switching power supply with surge current and surge voltage prevention

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD9 citations74

US5644479AJul 1, 1997

Switching power supply device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD16 citations74

PANASONIC CORP

10 patents

US7714546B2May 11, 2010

Step-up regulator with multiple power sources for the controller

PANASONIC CORP58 citations98

US8040121B2Oct 18, 2011

Switching regulator

PANASONIC CORP24 citations93

US9054596B2Jun 9, 2015

Device for synchronous DC-DC conversion and synchronous DC-DC converter

PANASONIC CORP8 citations84

US7592792B2Sep 22, 2009

Power supply

PANASONIC CORP9 citations84

US7538531B2May 26, 2009

Drive circuit and switching regulator comprising the same

PANASONIC CORP15 citations84

US7482789B2Jan 27, 2009

Step-up converter

PANASONIC CORP9 citations83

US7479771B2Jan 20, 2009

Current detection circuit and switching power supply

PANASONIC CORP11 citations83

US8384367B2Feb 26, 2013

Step-down switching regulator

PANASONIC CORP15 citations82

US7940031B2May 10, 2011

Switching power supply circuitry

PANASONIC CORP5 citations74

US7764113B2Jul 27, 2010

Output circuit

PANASONIC CORP7 citations74

ISHII TAKUYA

5 patents

USD702500SApr 15, 2014

Grill plate

ISHII TAKUYA21 citations87

US8669748B2Mar 11, 2014

Device for synchronous DC-DC conversion and synchronous DC-DC converter

ISHII TAKUYA8 citations84

US8421424B2Apr 16, 2013

Current driver circuit

ISHII TAKUYA15 citations84

US8967870B2Mar 3, 2015

Composite slide bearing

ISHII TAKUYA10 citations81

US8558526B2Oct 15, 2013

DC-DC converter having a bootstrap circuit

ISHII TAKUYA5 citations73

NTN TOYO BEARING CO LTD

4 patents

US6349943B1Feb 26, 2002

Lubricating resin composition seal rings

NTN TOYO BEARING CO LTD23 citations93

US6476116B1Nov 5, 2002

Resin compositions and precision sliding parts made of the same

NTN TOYO BEARING CO LTD21 citations92

US9458885B2Oct 4, 2016

Sliding bearing and image forming apparatus

NTN TOYO BEARING CO LTD8 citations82

US6720071B2Apr 13, 2004

Tip seal and seal material for scroll type compressor

NTN TOYO BEARING CO LTD9 citations74

AISIN AW CO

2 patents

US6517463B2Feb 11, 2003

Automatic transmission for vehicle

AISIN AW CO15 citations84

US7559867B2Jul 14, 2009

Connection structure for automatic transmission

AISIN AW CO7 citations74

PANASONIC IP MAN CO LTD

2 patents

US10848145B2Nov 24, 2020

Driver circuit, switching control circuit, and switching device

PANASONIC IP MAN CO LTD7 citations79

US10536074B2Jan 14, 2020

Power factor correcting converter

PANASONIC IP MAN CO LTD2 citations73

GIGAPHOTON INC

2 patents

US10111312B2Oct 23, 2018

Extreme ultraviolet light generation device

GIGAPHOTON INC2 citations73

US9894744B2Feb 13, 2018

Extreme ultraviolet light generation apparatus

GIGAPHOTON INC3 citations73

ZOJIRUSHI CORP

1 patent

US9854944B2Jan 2, 2018

Coffee beans grinder

ZOJIRUSHI CORP7 citations81

ITO TAKASHI

1 patent

US8113718B2Feb 14, 2012

Resin-made cage and bearing

ITO TAKASHI8 citations79

ALPINE ELECTRONICS INC

1 patent

US11062125B2Jul 13, 2021

Facial feature detecting apparatus and facial feature detecting method

ALPINE ELECTRONICS INC2 citations73

Showing the top 50 of 121 patents by PatentIndex Score.