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Shotaro Kitamura
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Semiconductor laser diode device and method of fabrication thereof
Patent number
8,477,819
Issue date
Jul 2, 2013
Renesas Electronics Corporation
Shotaro Kitamura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Method for manufacturing semiconductor laser device and semiconduct...
Patent number
7,666,694
Issue date
Feb 23, 2010
NEC Electronics Corporation
Masahide Kobayashi
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Distributed feedback laser diode
Patent number
7,633,986
Issue date
Dec 15, 2009
NEC Electronics Corporation
Shotaro Kitamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor optical amplification element
Patent number
6,141,477
Issue date
Oct 31, 2000
NEC Corporation
Shotaro Kitamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor optical amplifier
Patent number
6,052,222
Issue date
Apr 18, 2000
NEC Corporation
Shotaro Kitamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor optical integrated circuits and method for fabricatin...
Patent number
5,770,466
Issue date
Jun 23, 1998
NEC Corporation
Tatsuya Sasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor optical device with mesa structure which is surrounde...
Patent number
5,659,565
Issue date
Aug 19, 1997
Shotaro Kitamura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Semiconductor optical integrated circuits
Patent number
5,565,693
Issue date
Oct 15, 1996
NEC Corporation
Tatsuya Sasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing optical semiconductor element
Patent number
5,374,587
Issue date
Dec 20, 1994
NEC Corporation
Shotaro Kitamura
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR LASER DIODE DEVICE AND METHOD OF FABRICATION THEREOF
Publication number
20110134955
Publication date
Jun 9, 2011
Renesas Electronics Corporation
Shotaro KITAMURA
B82 - NANO-TECHNOLOGY
Information
Patent Application
DISTRIBUTED FEEDBACK LASER DIODE
Publication number
20070280321
Publication date
Dec 6, 2007
NEC Electronics Corporation
Shotaro Kitamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method for manufacturing semiconductor laser device and semiconduct...
Publication number
20070064759
Publication date
Mar 22, 2007
NEC Electronics Corporation
Masahide Kobayashi
B82 - NANO-TECHNOLOGY