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Takasumi Wada
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Nara, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Light emitting device, illuminating apparatus, and display apparatus
Patent number
9,194,544
Issue date
Nov 24, 2015
Sharp Kabushiki Kaisha
Yasuhiro Ono
F21 - LIGHTING
Information
Patent Grant
Optical scanning device and image forming apparatus
Patent number
8,525,863
Issue date
Sep 3, 2013
Sharp Kabushiki Kaisha
Kenzo Ohkubo
G02 - OPTICS
Information
Patent Grant
Optical scanning device and image forming apparatus provided with t...
Patent number
8,089,500
Issue date
Jan 3, 2012
Sharp Kabushiki Kaisha
Manabu Matsuo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical scanning unit and image forming apparatus
Patent number
7,791,633
Issue date
Sep 7, 2010
Sharp Kabushiki Kaisha
Takasumi Wada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Laser scanning optical system and image forming apparatus
Patent number
7,755,809
Issue date
Jul 13, 2010
Sharp Kabushiki Kaisha
Hirokazu Fujita
G02 - OPTICS
Information
Patent Grant
Light scanning device and image forming apparatus using the same
Patent number
7,619,799
Issue date
Nov 17, 2009
Sharp Kabushiki Kaisha
Takasumi Wada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Capacitive load driving circuit, capacitive load driving method, an...
Patent number
7,049,756
Issue date
May 23, 2006
Sharp Kabushiki Kaisha
Masahiko Aiba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image forming device
Patent number
6,447,101
Issue date
Sep 10, 2002
Sharp Kabushiki Kaisha
Katsumi Adachi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Measuring device for amount of charge of developer
Patent number
5,797,062
Issue date
Aug 18, 1998
Sharp Kabushiki Kaisha
Takasumi Wada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
5,767,879
Issue date
Jun 16, 1998
Sharp Kabushiki Kaisha
Koji Tsukamoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Color image forming apparatus by direct printing method with flying...
Patent number
5,600,355
Issue date
Feb 4, 1997
Sharp Kabushiki Kaisha
Takasumi Wada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming device having control grid with applied voltage of th...
Patent number
5,559,586
Issue date
Sep 24, 1996
Sharp Kabushiki Kaisha
Takasumi Wada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Copying machine with image superposition capability
Patent number
5,546,169
Issue date
Aug 13, 1996
Sharp Kabushiki Kaisha
Takasumi Wada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Measuring device for amount of charge of toner and image forming ap...
Patent number
5,486,900
Issue date
Jan 23, 1996
Sharp Kabushiki Kaisha
Takasumi Wada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Device for preventing breakdown of contact charger for use in elect...
Patent number
5,471,283
Issue date
Nov 28, 1995
Sharp Kabushiki Kaisha
Kouichi Irihara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic copier and charging means used therefor
Patent number
5,398,102
Issue date
Mar 14, 1995
Sharp Kabushiki Kaisha
Takasumi Wada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic printing machine
Patent number
5,298,945
Issue date
Mar 29, 1994
Sharp Kabushiki Kaisha
Takasumi Wada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
ELECTRIC VEHICLE
Publication number
20170327000
Publication date
Nov 16, 2017
SHARP KABUSHIKI KAISHA
Takasumi WADA
B60 - VEHICLES IN GENERAL
Information
Patent Application
LIGHT-EMITTING DEVICE, ILLUMINATING APPARATUS, AND DISPLAY APPARATUS
Publication number
20150226400
Publication date
Aug 13, 2015
Sharp Kabushiki Kaisha
Takasumi Wada
F21 - LIGHTING
Information
Patent Application
LIGHT-EMITTING DEVICE, ILLUMINATING APPARATUS, AND DISPLAY APPARATUS
Publication number
20140376219
Publication date
Dec 25, 2014
Sharp Kabushiki Kaisha
Yasuhiro Ono
G02 - OPTICS
Information
Patent Application
LIGHT EMITTING DEVICE AND DISPLAY DEVICE
Publication number
20140226311
Publication date
Aug 14, 2014
Sharp Kabushiki Kaisha
Yasuhiro Ono
F21 - LIGHTING
Information
Patent Application
LIGHT EMITTING DEVICE, ILLUMINATING APPARATUS, AND DISPLAY APPARATUS
Publication number
20140160733
Publication date
Jun 12, 2014
Sharp Kabushiki Kaisha
Yasuhiro Ono
G02 - OPTICS
Information
Patent Application
LIGHT-EMITTING DEVICE AND DISPLAY APPARATUS
Publication number
20140140046
Publication date
May 22, 2014
Sharp Kabushiki Kaisha
Yasuhiro Ono
G02 - OPTICS
Information
Patent Application
LIGHT-EMITTING DEVICE, ILLUMINATING APPARATUS, AND DISPLAY APPARATUS
Publication number
20140092584
Publication date
Apr 3, 2014
Sharp Kabushiki Kaisha
Yasuhiro Ono
G02 - OPTICS
Information
Patent Application
LIGHT-EMITTING DEVICE, DISPLAY APPARATUS, AND METHOD FOR DESIGNING...
Publication number
20130013252
Publication date
Jan 10, 2013
Yasuhiro Ono
G02 - OPTICS
Information
Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20110310211
Publication date
Dec 22, 2011
Kenzo OHKUBO
G02 - OPTICS
Information
Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH O...
Publication number
20110102873
Publication date
May 5, 2011
Sharp Kabushiki Kaisha
Takasumi Wada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH T...
Publication number
20100183335
Publication date
Jul 22, 2010
Manabu MATSUO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LASER SCANNING OPTICAL SYSTEM AND IMAGE FORMING APPARATUS
Publication number
20070146848
Publication date
Jun 28, 2007
Hirokazu FUJITA
G02 - OPTICS
Information
Patent Application
LIGHT SCANNING DEVICE AND IMAGE FORMING APPARATUS USING THE SAME
Publication number
20070053043
Publication date
Mar 8, 2007
Takasumi Wada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical scanning unit and image forming apparatus
Publication number
20060262177
Publication date
Nov 23, 2006
Sharp Kabushiki Kaisha
Takasumi Wada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Capactive load driving circuit, capacitive load driving method, and...
Publication number
20040169545
Publication date
Sep 2, 2004
Masahiko Aiba
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS