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Shiro Tsunai
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Focus detecting device
Patent number
7,940,322
Issue date
May 10, 2011
Olympus Imaging Corporation
Tetsuo Kikuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image sensor
Patent number
7,485,837
Issue date
Feb 3, 2009
NEC Electronics Corporation
Shiro Tsunai
G01 - MEASURING TESTING
Information
Patent Grant
CCD image sensor
Patent number
7,196,303
Issue date
Mar 27, 2007
NEC Electronics Corporation
Shiro Tsunai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Voltage amplification circuit
Patent number
7,002,413
Issue date
Feb 21, 2006
NEC Electronics Corporation
Shiro Tsunai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Voltage amplifying circuit
Patent number
6,784,742
Issue date
Aug 31, 2004
NEC Electronics Corporation
Shiro Tsunai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Charge-coupled device having a reduced width for barrier sections i...
Patent number
6,720,593
Issue date
Apr 13, 2004
NEC Electronics Corporation
Shiro Tsunai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Charge transfer device having three pixel rows arranged adjacently...
Patent number
6,618,088
Issue date
Sep 9, 2003
NEC Electronics Corporation
Shiro Tsunai
G11 - INFORMATION STORAGE
Information
Patent Grant
Solid-state imaging device and method for fabricating same
Patent number
6,603,144
Issue date
Aug 5, 2003
NEC Electronics Corporation
Shiro Tsunai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Charge transfer device
Patent number
6,515,318
Issue date
Feb 4, 2003
NEC Corporation
Shiro Tsunai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing circuit for solid state image sensor having a str...
Patent number
5,966,172
Issue date
Oct 12, 1999
NEC Corporation
Shiro Tsunai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing device having a function of converting an analog...
Patent number
5,585,797
Issue date
Dec 17, 1996
NEC Corporation
Shiro Tsunai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Signal processing circuit for solid state image sensor having a str...
Patent number
5,539,457
Issue date
Jul 23, 1996
NEC Corporation
Shiro Tsunai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Charge transfer device capable of suppressing reset noise
Patent number
5,444,281
Issue date
Aug 22, 1995
NEC Corporation
Shiro Tsunai
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
CCD IMAGE SENSOR HAVING CHARGE STORAGE SECTION BETWEEN PHOTODIODE S...
Publication number
20080225152
Publication date
Sep 18, 2008
NEC Electronics Corporation
Shiro TSUNAI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Focus detecting device
Publication number
20080212955
Publication date
Sep 4, 2008
Olympus Imaging Corp.
Tetsuo Kikuchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE SENSOR
Publication number
20080128590
Publication date
Jun 5, 2008
NEC Electronics Corporation
Shiro TSUNAI
G01 - MEASURING TESTING
Information
Patent Application
Image sensor
Publication number
20070045669
Publication date
Mar 1, 2007
NEC ELECTRONICS CORPORATION
Shiro Tsunai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CCD image sensor
Publication number
20040109075
Publication date
Jun 10, 2004
NEC ELECTRONICS CORPORATION
Shiro Tsunai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Voltage amplification circuit
Publication number
20040104776
Publication date
Jun 3, 2004
NEC ELECTRONICS CORPORATION
Shiro Tsunai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Charge-coupled device having a reduced width for barrier sections i...
Publication number
20030213983
Publication date
Nov 20, 2003
NEC ELECTRONICS CORPORATION
Shiro Tsunai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Color image sensor and driving method for the same
Publication number
20030210435
Publication date
Nov 13, 2003
NEC Electronics Corporation
Shiro Tsunai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Contact type image sensor
Publication number
20030025950
Publication date
Feb 6, 2003
NEC Corporation
Shiro Tsunai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Voltage amplifying circuit
Publication number
20030006843
Publication date
Jan 9, 2003
Shiro Tsunai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Application
Protective circuit for a semiconductor device
Publication number
20020093059
Publication date
Jul 18, 2002
NEC Corporation
Shiro Tsunai
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Charge transfer device
Publication number
20020024069
Publication date
Feb 28, 2002
NEC Corporation
Shiro Tsunai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Solid-state imaging device and method for fabricating same
Publication number
20010004116
Publication date
Jun 21, 2001
NEC Corporation
Shiro Tsunai
H01 - BASIC ELECTRIC ELEMENTS