P

Inventor

ITO MASAHIKO

JP117 patents
⚠️ This page may combine multiple inventors who share the name “ITO MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

13 patents
US5708725AJan 13, 1998

Wireless headphone with a spring-biased activating power switch

SONY CORP171 citations99
US6437792B1Aug 20, 2002

Image processing apparatus and method, color gamut conversion table creating apparatus and method, storage medium having image processing program recorded therein, and storage medium having recorded therein color gamut conversion table creating program

SONY CORP109 citations98
US6388674B1May 14, 2002

Gamut mapping method and apparatus

SONY CORP87 citations98
US5933253AAug 3, 1999

Color area compression method and apparatus

SONY CORP120 citations98
US6144347ANov 7, 2000

Head-mounted image display apparatus

SONY CORP114 citations97
US5422310AJun 6, 1995

Method of forming interconnection in semiconductor device

SONY CORP89 citations96
US6215460B1Apr 10, 2001

Head-mounted image display apparatus

SONY CORP65 citations95
US6084555AJul 4, 2000

Spectacle type display device

SONY CORP87 citations95
US6301383B1Oct 9, 2001

Image processing apparatus and method

SONY CORP26 citations93
USD430017SAug 29, 2000

Case

SONY CORP28 citations92
USD429635SAug 22, 2000

Case

SONY CORP24 citations92
US6707573B1Mar 16, 2004

Image processing apparatus and method, and transfer medium

SONY CORP17 citations84
US5449954ASep 12, 1995

Interconnection structure with TiON layers

SONY CORP17 citations74

DENSO CORP

7 patents
US6608562B1Aug 19, 2003

Vital signal detecting apparatus

DENSO CORP331 citations98
US6280392B1Aug 28, 2001

Infant condition monitoring system and method using load cell sensor sheet

DENSO CORP125 citations95
US6494051B2Dec 17, 2002

Hot water supply system

DENSO CORP29 citations92
US6386051B1May 14, 2002

Load detection sensor unit for bedding with single output line

DENSO CORP37 citations92
US6370896B1Apr 16, 2002

Hot water supply system

DENSO CORP40 citations92
US6418737B1Jul 16, 2002

Heat pump type hot-water supply system capable of performing defrosting operation

DENSO CORP53 citations91
US7285939B2Oct 23, 2007

DC-DC converter for boosting input voltage at variable frequency

DENSO CORP10 citations84

CANON KK

7 patents
US5822083AOct 13, 1998

Image storing apparatus

CANON KK23 citations93
US5449162ASep 12, 1995

Sheet feeding device with adjustable feeding and inversely-rotating rollers

CANON KK54 citations93
US5131648AJul 21, 1992

Image recording apparatus inhibiting recording of abnormally-fed sheets

CANON KK34 citations93
US5126540AJun 30, 1992

Image recording apparatus for selective recording of originals

CANON KK22 citations92
US5719645AFeb 17, 1998

Electronic apparatus having display device

CANON KK9 citations74
US5058820AOct 22, 1991

Strip-like member take-up device

CANON KK9 citations74
US4817886AApr 4, 1989

Film conveying apparatus

CANON KK9 citations74

PIONEER ELECTRONIC CORP

4 patents
US5031220AJul 9, 1991

Mobile stereo speaker set

PIONEER ELECTRONIC CORP76 citations96
US5018205AMay 21, 1991

Automatic sound level compensator for a sound reproduction device mounted in a vehicle

PIONEER ELECTRONIC CORP84 citations96
US5138665AAug 11, 1992

Audio reproduction system

PIONEER ELECTRONIC CORP49 citations93
US4856065AAug 8, 1989

Power fader for a loudspeaker system

PIONEER ELECTRONIC CORP7 citations74

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

3 patents
US6271621B1Aug 7, 2001

Piezoelectric pressure sensor

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD54 citations96
US6747399B1Jun 8, 2004

Pressure-sensitive sensor, object detecting device, and opening-closing device

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD40 citations95
US6198377B1Mar 6, 2001

Plastic thermistor and thermosensitive device comprising the same

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD18 citations81

TOYODA GOSEI KK

2 patents
US7306839B2Dec 11, 2007

Molded weather strip

TOYODA GOSEI KK18 citations92
US7582243B2Sep 1, 2009

Method for manufacturing weather strip and molding device for weather strip

TOYODA GOSEI KK10 citations84

NIPPON DENSO CO

1 patent
US4928090AMay 22, 1990

Arousal level judging apparatus and method

NIPPON DENSO CO67 citations96

SIGMA P I CO LTD

1 patent
US5947297ASep 7, 1999

Packaging case

SIGMA P I CO LTD66 citations93

MURAKAMI KAIMEIDO KK

1 patent
US5636071AJun 3, 1997

Speed reduction device for an electrically powered foldable rearview mirror

MURAKAMI KAIMEIDO KK78 citations93

YOSHIDA KOGYO KK

1 patent
US4541154ASep 17, 1985

Hooked fabric fastener tape

YOSHIDA KOGYO KK36 citations90

UCHIDA HIDEKI

1 patent
US8724286B2May 13, 2014

Ionizer having cleaning system

UCHIDA HIDEKI22 citations89

NIPPON TELEGRAPH & TELEPHONE

1 patent
US5046133ASep 3, 1991

Interference cancellation circuit

NIPPON TELEGRAPH & TELEPHONE76 citations89

SUZUKI KUNIHIKO

1 patent
US8815711B2Aug 26, 2014

Manufacturing apparatus and method for semiconductor device and cleaning method of manufacturing apparatus for semiconductor

SUZUKI KUNIHIKO7 citations84

AISIN SEIKI

1 patent
US7814704B2Oct 19, 2010

Method for controlling door and door control system for vehicle

AISIN SEIKI12 citations84

TOYOTA MOTOR CO LTD

1 patent
US7183733B2Feb 27, 2007

Opening and closing member control apparatus

TOYOTA MOTOR CO LTD18 citations84

NUFLARE TECHNOLOGY INC

1 patent
US9518322B2Dec 13, 2016

Film formation apparatus and film formation method

NUFLARE TECHNOLOGY INC11 citations83

MURAKAMI CORP

1 patent
US7717394B2May 18, 2010

Vehicle interior accessory retainer

MURAKAMI CORP17 citations83

TOYOTA BOSHOKU KK

1 patent
US8919874B2Dec 30, 2014

Vehicle seat component

TOYOTA BOSHOKU KK12 citations79

DAINICHISEIKA COLOR CHEM

1 patent
US4001035AJan 4, 1977

Coloring composition

DAINICHISEIKA COLOR CHEM26 citations78

NIPPON NOTION KOGYO

1 patent
US4571781AFeb 25, 1986

Drainable button assembly

NIPPON NOTION KOGYO10 citations74

Showing the top 50 of 117 patents by PatentIndex Score.