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Suzuki Seizo
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical scanning device and image forming apparatus
Patent number
9,266,351
Issue date
Feb 23, 2016
Ricoh Company, Limited
Seizo Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Optical scanning device and image forming apparatus including a plu...
Patent number
8,848,013
Issue date
Sep 30, 2014
Ricoh Company, Limited
Kenichiroh Saisho
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Optical scanning apparatus and image forming apparatus
Patent number
8,675,034
Issue date
Mar 18, 2014
Ricoh Company, Limited
Seizo Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Optical scanning device, image forming apparatus, and optical scann...
Patent number
8,654,168
Issue date
Feb 18, 2014
Ricoh Company, Ltd.
Kazuhiro Akatsu
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus to detect and correct density variations in...
Patent number
8,648,892
Issue date
Feb 11, 2014
Ricoh Company, Limited
Seizo Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Polarization splitting device, method of manufacturing polarization...
Patent number
8,351,118
Issue date
Jan 8, 2013
Ricoh Company, Ltd.
Toshiaki Tokita
G02 - OPTICS
Information
Patent Grant
Optical scanning apparatus, an image formation apparatus, and a pha...
Patent number
8,217,978
Issue date
Jul 10, 2012
Ricoh Company, Ltd.
Taku Amada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Light source unit, phase type optical element, and laser beam scann...
Patent number
8,164,612
Issue date
Apr 24, 2012
Ricoh Company, Ltd.
Shigeaki Imai
G11 - INFORMATION STORAGE
Information
Patent Grant
Optical scanner and imaging apparatus using the same
Patent number
8,130,250
Issue date
Mar 6, 2012
Ricoh Company, Ltd.
Seizo Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Optical scanning device and image forming apparatus
Patent number
8,115,794
Issue date
Feb 14, 2012
Ricoh Company, Ltd.
Masako Yoshii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical scanning device, image forming apparatus, and write method
Patent number
8,072,478
Issue date
Dec 6, 2011
Ricoh Company, Ltd.
Jun Tanabe
G02 - OPTICS
Information
Patent Grant
Image forming system employing effective optical scan-line control...
Patent number
RE42865
Issue date
Oct 25, 2011
Ricoh Company, Ltd.
Mitsuo Suzuki
347 - Incremental printing of symbolic information
Information
Patent Grant
Optical scanning device and image forming apparatus for optimizing...
Patent number
7,903,135
Issue date
Mar 8, 2011
Ricoh Company, Ltd.
Daisuke Ichii
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Optical scanner and imaging apparatus using the same
Patent number
7,903,133
Issue date
Mar 8, 2011
Ricoh Company, Ltd.
Seizo Suzuki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming system employing effective optical scan-line control...
Patent number
7,777,774
Issue date
Aug 17, 2010
Ricoh Company, Ltd.
Mitsuo Suzuki
G02 - OPTICS
Information
Patent Grant
Optical scanning device and image forming apparatus
Patent number
7,764,301
Issue date
Jul 27, 2010
Ricoh Company, Ltd.
Seizo Suzuki
G02 - OPTICS
Information
Patent Grant
Optical scan apparatus and image formation apparatus
Patent number
7,760,223
Issue date
Jul 20, 2010
Ricoh Company, Ltd.
Seizo Suzuki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical scanning device, image forming apparatus and liquid crystal...
Patent number
7,719,737
Issue date
May 18, 2010
Ricoh Company, Ltd.
Taku Amada
G02 - OPTICS
Information
Patent Grant
Optical scanning apparatus, illuminant apparatus and image forming...
Patent number
7,706,040
Issue date
Apr 27, 2010
Ricoh Company, Ltd.
Taku Amada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical scanner and image forming apparatus
Patent number
7,532,227
Issue date
May 12, 2009
Ricoh Company, Ltd.
Tomohiro Nakajima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical scanner and image forming apparatus
Patent number
7,525,561
Issue date
Apr 28, 2009
Ricoh Company, Ltd.
Tomohiro Nakajima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Optical scanning apparatus, image forming apparatus, and beam posit...
Patent number
7,450,274
Issue date
Nov 11, 2008
Ricoh Company, Ltd.
Akihisa Itabashi
G02 - OPTICS
Information
Patent Grant
Optical scanning unit and image forming apparatus
Patent number
7,355,770
Issue date
Apr 8, 2008
Ricoh Company, Limited
Naoki Miyatake
G02 - OPTICS
Information
Patent Grant
Optical scanning apparatus, illuminant apparatus and image forming...
Patent number
7,333,254
Issue date
Feb 19, 2008
Ricoh Company, Ltd.
Taku Amada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical scanning unit and image forming apparatus
Patent number
7,277,212
Issue date
Oct 2, 2007
Ricoh Company, Limited
Naoki Miyatake
G02 - OPTICS
Information
Patent Grant
Image forming method, image forming apparatus, optical scan device,...
Patent number
7,256,815
Issue date
Aug 14, 2007
Ricoh Company, Ltd.
Seizo Suzuki
G02 - OPTICS
Information
Patent Grant
Scanning optical system, optical scanning device and image forming...
Patent number
7,215,354
Issue date
May 8, 2007
Ricoh Company, Ltd.
Kohji Sakai
G02 - OPTICS
Information
Patent Grant
Optical scanning unit, image forming apparatus, and method of corre...
Patent number
7,167,288
Issue date
Jan 23, 2007
Ricoh Company, Ltd.
Naoki Miyatake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical scanner and imaging apparatus using the same
Patent number
7,110,016
Issue date
Sep 19, 2006
Ricoh Company, Ltd.
Seizo Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical scanner and image formation apparatus
Patent number
7,088,485
Issue date
Aug 8, 2006
Ricoh Company, Ltd.
Seizo Suzuki
G02 - OPTICS
Patents Applications
last 30 patents
Information
Patent Application
OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS, AND OPTICAL SCANN...
Publication number
20130033558
Publication date
Feb 7, 2013
Kazuhiro AKATSU
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20120189328
Publication date
Jul 26, 2012
Seizo Suzuki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS
Publication number
20120176462
Publication date
Jul 12, 2012
Seizo SUZUKI
G02 - OPTICS
Information
Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20110316959
Publication date
Dec 29, 2011
Kenichiroh SAISHO
G02 - OPTICS
Information
Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20110169906
Publication date
Jul 14, 2011
Seizo SUZUKI
G02 - OPTICS
Information
Patent Application
OPTICAL SCANNER AND IMAGING APPARATUS USING THE SAME
Publication number
20110069137
Publication date
Mar 24, 2011
Seizo Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
POLARIZATION SPLITTING DEVICE, METHOD OF MANUFACTURING POLARIZATION...
Publication number
20100118366
Publication date
May 13, 2010
Toshiaki TOKITA
G02 - OPTICS
Information
Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20090175657
Publication date
Jul 9, 2009
Masako Yoshii
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS, AND WRITE METHOD
Publication number
20090074437
Publication date
Mar 19, 2009
Jun Tanabe
G02 - OPTICS
Information
Patent Application
OPTICAL SCAN APPARATUS AND IMAGE FORMATION APPARATUS
Publication number
20080284838
Publication date
Nov 20, 2008
Seizo SUZUKI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20080267663
Publication date
Oct 30, 2008
Daisuke ICHII
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical scanning apparatus, an image formation apparatus, and a pha...
Publication number
20080204852
Publication date
Aug 28, 2008
Taku Amada
G02 - OPTICS
Information
Patent Application
OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20080204841
Publication date
Aug 28, 2008
Seizo SUZUKI
G02 - OPTICS
Information
Patent Application
OPTICAL SCANNING DEVICE, IMAGE FORMING APPARATUS AND LIQUID CRYSTAL...
Publication number
20080170282
Publication date
Jul 17, 2008
Taku Amada
G02 - OPTICS
Information
Patent Application
OPTICAL SCANNING APPARATUS, ILLUMINANT APPARATUS AND IMAGE FORMING...
Publication number
20080117487
Publication date
May 22, 2008
Taku Amada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
LIGHT SOURCE UNIT, PHASE TYPE OPTICAL ELEMENT, AND LASER BEAM SCANN...
Publication number
20080019255
Publication date
Jan 24, 2008
Shigeaki Imai
G02 - OPTICS
Information
Patent Application
OPTICAL SCANNING UNIT AND IMAGE FORMING APPARATUS
Publication number
20070146849
Publication date
Jun 28, 2007
Naoki Miyatake
G02 - OPTICS
Information
Patent Application
Optical scanner and imaging apparatus using the same
Publication number
20060256185
Publication date
Nov 16, 2006
Seizo Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical scanner and image forming apparatus
Publication number
20060232660
Publication date
Oct 19, 2006
Tomohiro Nakajima
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image forming system employing effective optical scan-line control...
Publication number
20060209166
Publication date
Sep 21, 2006
Mitsuo Suzuki
G02 - OPTICS
Information
Patent Application
Optical element, optical scanner and image forming apparatus
Publication number
20060077501
Publication date
Apr 13, 2006
Kohji Sakai
G02 - OPTICS
Information
Patent Application
Optical scanning device, image forming apparatus and liquid crystal...
Publication number
20050179971
Publication date
Aug 18, 2005
Taku Amada
G02 - OPTICS
Information
Patent Application
Optical scanner and imaging apparatus using the same
Publication number
20050151826
Publication date
Jul 14, 2005
Seizo Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical scanning lens, optical scanning device and image forming ap...
Publication number
20050128615
Publication date
Jun 16, 2005
Hiroyuki Suhara
G02 - OPTICS
Information
Patent Application
Optical scanning device, image forming apparatus, and optical scann...
Publication number
20050122557
Publication date
Jun 9, 2005
Seizo Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical scanning unit and image forming apparatus
Publication number
20050094234
Publication date
May 5, 2005
Naoki Miyatake
G02 - OPTICS
Information
Patent Application
Optical scanning unit, image forming apparatus, and method of corre...
Publication number
20050093962
Publication date
May 5, 2005
Naoki Miyatake
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical scanning apparatus, image forming apparatus and color image...
Publication number
20050045813
Publication date
Mar 3, 2005
NISSAN MOTOR CO., LTD.
Mitsuo Suzuki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical scanning apparatus, image forming apparatus, and beam posit...
Publication number
20050024479
Publication date
Feb 3, 2005
Akihisa Itabashi
G02 - OPTICS
Information
Patent Application
Optical scanning device having a temperature compensation unit
Publication number
20050018265
Publication date
Jan 27, 2005
Hiromichi Atsuumi
G02 - OPTICS