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Kazuhiro TSUCHIDA
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Osaka-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image capture device and biometric authentication device
Patent number
10,511,790
Issue date
Dec 17, 2019
SHARP KABUSHIKI KAISHA
Shin Itoh
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Optical pickup apparatus
Patent number
7,684,306
Issue date
Mar 23, 2010
Sharp Kabushiki Kaisha
Kazunori Matsubara
G11 - INFORMATION STORAGE
Information
Patent Grant
Splitting element, light emitter, and optical pickup apparatus
Patent number
7,649,825
Issue date
Jan 19, 2010
Sharp Kabushiki Kaisha
Kazuhiro Tsuchida
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup
Patent number
7,573,801
Issue date
Aug 11, 2009
Sharp Kabushiki Kaisha
Yukio Watanabe
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical pickup device using polarizing hologram element and hologra...
Patent number
7,483,360
Issue date
Jan 27, 2009
Sharp Kabushiki Kaisha
Katsushige Masui
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor laser device and optical pickup device
Patent number
7,136,409
Issue date
Nov 14, 2006
Sharp Kabushiki Kaisha
Masahiro Ikehara
G11 - INFORMATION STORAGE
Information
Patent Grant
Holographic laser and optical pickup
Patent number
6,983,005
Issue date
Jan 3, 2006
Sharp Kabushiki Kaisha
Katsushige Masui
G11 - INFORMATION STORAGE
Information
Patent Grant
Semiconductor laser device and method for producing the same
Patent number
6,847,665
Issue date
Jan 25, 2005
Sharp Kabushiki Kaisha
Shigehiro Yamada
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
IMAGE CAPTURE DEVICE AND BIOMETRIC AUTHENTICATION DEVICE
Publication number
20190014271
Publication date
Jan 10, 2019
SHARP KABUSHIKI KAISHA
SHIN ITOH
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
IMAGING DEVICE, BIOMETRIC AUTHENTICATION DEVICE, AND SEMICONDUCTOR...
Publication number
20180325427
Publication date
Nov 15, 2018
SHIN ITOH
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
SEMICONDUCTOR LASER DEVICE AND METHOD FOR PRODUCING SAME
Publication number
20160126697
Publication date
May 5, 2016
SHARP KABUSHIKI KAISHA
Kazuhiro TSUCHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Optical pickup
Publication number
20070053272
Publication date
Mar 8, 2007
Sharp Kabushiki Kaisha
Yukio Watanabe
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup apparatus
Publication number
20070025228
Publication date
Feb 1, 2007
SHARP KABUSHIKI KAISHA
Kazunori Matsubara
G11 - INFORMATION STORAGE
Information
Patent Application
Split body, light emitting body and optical pickup device
Publication number
20060262695
Publication date
Nov 23, 2006
SHARP KABUSHIKI KAISHA
Kazuhiro Tsuchida
G11 - INFORMATION STORAGE
Information
Patent Application
Focus error detecting device and optical pickup apparatus provided...
Publication number
20060018212
Publication date
Jan 26, 2006
Sharp Kabushiki Kaisha
Kazuhiro Tsuchida
G11 - INFORMATION STORAGE
Information
Patent Application
Optical pickup and hologram laser
Publication number
20050100061
Publication date
May 12, 2005
Katsushige Masui
G11 - INFORMATION STORAGE
Information
Patent Application
Semiconductor laser device and optical pickup device
Publication number
20040202224
Publication date
Oct 14, 2004
Sharp Kabushiki Kaisha
Masahiro Ikehara
G02 - OPTICS
Information
Patent Application
Semiconductor laser device and method for producing the same
Publication number
20020141465
Publication date
Oct 3, 2002
Shigehiro Yamada
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Holographic laser and optical pickup
Publication number
20020097773
Publication date
Jul 25, 2002
Sharp Kabushiki Kaisha
Katsushige Masui
G02 - OPTICS