P

Inventor

SASAKI KAZUAKI

JP52 patents
⚠️ This page may combine multiple inventors who share the name “SASAKI KAZUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHARP KK

29 patents
US5309001AMay 3, 1994

Light-emitting diode having a surface electrode of a tree-like form

SHARP KK161 citations99
US5717709AFeb 10, 1998

Semiconductor light-emitting device capable of having good stability in fundamental mode of oscillation, decreasing current leakage, and lowering oscillation threshold limit, and method of making the same

SHARP KK92 citations96
US5856682AJan 5, 1999

Semiconductor light-emitting device and method for producing the same

SHARP KK17 citations93
US5404031AApr 4, 1995

Semiconductor light emitting device with current confining layer

SHARP KK38 citations93
US4984244AJan 8, 1991

Semiconductor laser device

SHARP KK26 citations93
US7247985B2Jul 24, 2007

Semiconductor light-emitting device having annular shape light emitting region and current blocking layer

SHARP KK30 citations92
US5260231ANov 9, 1993

Method for the production of a semiconductor laser

SHARP KK23 citations92
US5228047AJul 13, 1993

Semiconductor laser device and a method for producing the same

SHARP KK27 citations92
US5022036AJun 4, 1991

Semiconductor laser device

SHARP KK31 citations92
US6465812B1Oct 15, 2002

Semiconductor light emitting device

SHARP KK15 citations84
US6468818B2Oct 22, 2002

Method for producing a high-luminance semiconductor light-emitting device capable of operating at a low voltage

SHARP KK8 citations74
US6246078B1Jun 12, 2001

Semiconductor light emitting element

SHARP KK6 citations74
US5208468AMay 4, 1993

Semiconductor laser device with a sulfur-containing film provided between the facet and the protective film

SHARP KK9 citations74
US5171706ADec 15, 1992

Method for the production of a semiconductor laser device

SHARP KK17 citations74
US4977568ADec 11, 1990

Semiconductor laser device

SHARP KK10 citations74
US5413956AMay 9, 1995

Method for producing a semiconductor laser device

SHARP KK8 citations73
US5571750ANov 5, 1996

Method for producing a semiconductor laser device

SHARP KK14 citations71
US7075120B2Jul 11, 2006

Light-emitting diode and its manufacturing method

SHARP KK2 citations63
US7049212B2May 23, 2006

Method for producing III-IV group compound semiconductor layer, method for producing semiconductor light emitting element, and vapor phase growing apparatus

SHARP KK4 citations63
US6399409B2Jun 4, 2002

Method for fabricating semiconductor light emitting element

SHARP KK2 citations63
US6074889AJun 13, 2000

Method for producing semiconductor light-emitting device with undoped spacer layer

SHARP KK4 citations63
US5516723AMay 14, 1996

Semiconductor light-emitting device capable of having good stability in fundamental mode of oscillation, decreasing current leakage, and lowering oscillation threshold limit, and method of making the same

SHARP KK3 citations63
US6399965B2Jun 4, 2002

Semiconductor light emitting device with high yield and low power consumption

SHARP KK2 citations62
US7531370B2May 12, 2009

Light-emitting diode and its manufacturing method

SHARP KK1 citations52
US7005682B2Feb 28, 2006

Semiconductor light emitting element

SHARP KK1 citations52
US6849473B2Feb 1, 2005

Semiconductor light-emitting device and method for manufacturing thereof

SHARP KK0 citations52
US6476421B2Nov 5, 2002

Semiconductor light-emitting device and method for manufacturing thereof

SHARP KK0 citations52
US5042044AAug 20, 1991

Semiconductor laser device, a semiconductor wafer

SHARP KK1 citations52
US4860299AAug 22, 1989

Semiconductor laser device

SHARP KK0 citations52

SUMITOMO CHEMICAL CO

8 patents

HITACHI LTD

5 patents

HITACHI SHIPBUILDING ENG CO

3 patents

FUJITSU LTD

1 patent

HITACHI MEDICAL CORP

1 patent

SASAKI KAZUAKI

1 patent

TOKYO ELECTRON LTD

1 patent

YOSHIKAWA HIDEKI

1 patent

Showing the top 50 of 52 patents by PatentIndex Score.