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Hideshi Koizumi
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Yamatotakada-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light emitting device
Patent number
9,818,731
Issue date
Nov 14, 2017
SHARP KABUSHIKI KAISHA
Masaki Kondoh
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser and apparatus
Patent number
7,308,009
Issue date
Dec 11, 2007
Sharp Kabushiki Kaisha
Hideshi Koizumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device and fabricating method therefor
Patent number
7,046,707
Issue date
May 16, 2006
Sharp Kabushiki Kaisha
Hideshi Koizumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor laser device and optical pickup using the same
Patent number
6,983,002
Issue date
Jan 3, 2006
Sharp Kabushiki Kaisha
Hideshi Koizumi
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
LIGHT EMITTING DEVICE
Publication number
20170047311
Publication date
Feb 16, 2017
SHARP KABUSHIKI KAISHA
Masaki KONDOH
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LIGHT-EMITTING DEVICE
Publication number
20150173137
Publication date
Jun 18, 2015
Sharp Kabushiki Kaisha
Takashi Ono
F21 - LIGHTING
Information
Patent Application
LIGHT EMITTING DEVICE
Publication number
20140197447
Publication date
Jul 17, 2014
Sharp Kabushiki Kaisha
Masaharu Kitano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser device
Publication number
20060018351
Publication date
Jan 26, 2006
Sharp Kabushiki Kaisha
Kazunori Matsubara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser and apparatus
Publication number
20050195877
Publication date
Sep 8, 2005
Sharp Kabushiki Kaisha
Hideshi Koizumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser device and optical pickup using the same
Publication number
20040066813
Publication date
Apr 8, 2004
SHARP KABUSHIKI KAISHA
Hideshi Koizumi
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor laser device and fabricating method therefor
Publication number
20030235223
Publication date
Dec 25, 2003
Sharp Kabushiki Kaisha
Hideshi Koizumi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Semiconductor laser device having a circuit for protecting semicond...
Publication number
20020064198
Publication date
May 30, 2002
Hideshi Koizumi
H01 - BASIC ELECTRIC ELEMENTS