P

Inventor

NITTA KOICHI

JP60 patents
⚠️ This page may combine multiple inventors who share the name “NITTA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA KK

42 patents
US6803603B1Oct 12, 2004

Semiconductor light-emitting element

TOSHIBA KK145 citations99
US6340824B1Jan 22, 2002

Semiconductor light emitting device including a fluorescent material

TOSHIBA KK621 citations99
US5977565ANov 2, 1999

Semiconductor light emitting diode having a capacitor

TOSHIBA KK157 citations99
US5798537AAug 25, 1998

Blue light-emitting device

TOSHIBA KK188 citations99
US6747293B2Jun 8, 2004

Light emitting device

TOSHIBA KK125 citations98
US6586874B1Jul 1, 2003

Image display device and light emission device

TOSHIBA KK96 citations98
US6495862B1Dec 17, 2002

Nitride semiconductor LED with embossed lead-out surface

TOSHIBA KK411 citations98
US6278136B1Aug 21, 2001

Semiconductor light emitting element, its manufacturing method and light emitting device

TOSHIBA KK112 citations98
US5900650AMay 4, 1999

Semiconductor device and method of manufacturing the same

TOSHIBA KK91 citations98
US5696389ADec 9, 1997

Light-emitting semiconductor device

TOSHIBA KK623 citations98
US6924163B2Aug 2, 2005

Semiconductor light emitting device and its manufacturing method

TOSHIBA KK76 citations97
US6576933B2Jun 10, 2003

Semiconductor light emitting device and method for manufacturing same

TOSHIBA KK85 citations97
US6281526B1Aug 28, 2001

Nitride compound light emitting device and method for fabricating same

TOSHIBA KK152 citations97
US6815725B2Nov 9, 2004

Semiconductor light emitting device having a fluorescent material emitting light of a secondary wavelength

TOSHIBA KK48 citations96
US6674097B2Jan 6, 2004

Semiconductor light emitting device including a fluorescent material

TOSHIBA KK54 citations96
US6661030B2Dec 9, 2003

Semiconductor light emitting device including a fluorescent material

TOSHIBA KK51 citations96
US6258617B1Jul 10, 2001

Method of manufacturing blue light emitting element

TOSHIBA KK61 citations96
US5693963ADec 2, 1997

Compound semiconductor device with nitride

TOSHIBA KK96 citations96
US5488233AJan 30, 1996

Semiconductor light-emitting device with compound semiconductor layer

TOSHIBA KK66 citations95
US6359292B1Mar 19, 2002

Semiconductor light emitting element

TOSHIBA KK43 citations93
US5343486AAug 30, 1994

Semiconductor laser device

TOSHIBA KK27 citations93
US5321712AJun 14, 1994

Semiconductor light-emitting device having a cladding layer composed of an InGaAlp-based compound

TOSHIBA KK21 citations93
US7141445B2Nov 28, 2006

Semiconductor light emitting device and method for manufacturing same

TOSHIBA KK28 citations92
US7122446B2Oct 17, 2006

Semiconductor light-emitting element

TOSHIBA KK20 citations92
US7038245B2May 2, 2006

Semiconductor light emitting device having angled side surface

TOSHIBA KK16 citations92
US6548834B2Apr 15, 2003

Semiconductor light emitting element

TOSHIBA KK40 citations92
USD471166SMar 4, 2003

Light emitting semiconductor device

TOSHIBA KK43 citations92
US5282218AJan 25, 1994

Semiconductor laser device

TOSHIBA KK33 citations92
US4706101ANov 10, 1987

Light emitting diode formed of a compound semiconductor material

TOSHIBA KK36 citations91
US5789265AAug 4, 1998

Method of manufacturing blue light-emitting device by using BCL3 and CL2

TOSHIBA KK50 citations89
US7488989B2Feb 10, 2009

Semiconductor light emitting element, its manufacturing method and semiconductor light emitting device

TOSHIBA KK10 citations84
US7569989B2Aug 4, 2009

Light emitting device

TOSHIBA KK12 citations83
US6864627B2Mar 8, 2005

Image display device and light emission device

TOSHIBA KK11 citations82
US5058120AOct 15, 1991

Visible light emitting semiconductor laser with inverse mesa-shaped groove section

TOSHIBA KK21 citations82
US4922499AMay 1, 1990

Semiconductor laser device and the manufacturing method thereof

TOSHIBA KK18 citations81
US6693307B2Feb 17, 2004

Semiconductor light emitting element

TOSHIBA KK10 citations74
US5305341AApr 19, 1994

Semiconductor laser whose active layer has an ordered structure

TOSHIBA KK12 citations74
US5202895AApr 13, 1993

Semiconductor device having an active layer made of ingaalp material

TOSHIBA KK12 citations74
US7982384B2Jul 19, 2011

Image display device and light emission device

TOSHIBA KK4 citations73
US7110061B2Sep 19, 2006

Image display device and light emission device

TOSHIBA KK5 citations73
US4987097AJan 22, 1991

Method of manufacturing a semiconductor laser device

TOSHIBA KK11 citations73
US6417020B2Jul 9, 2002

Nitride compound light emitting device and method for fabricating the same

TOSHIBA KK12 citations72

MURATA MANUFACTURING CO

7 patents

TOYODA GOSEI KK

1 patent

Showing the top 50 of 60 patents by PatentIndex Score.