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Hiroyuki Iwasaki
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Asaka-Shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Motor control apparatus, image forming apparatus, and motor control...
Patent number
9,787,223
Issue date
Oct 10, 2017
Ricoh Company, Ltd.
Yoshihiro Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Hardware device controller, image forming apparatus, and control me...
Patent number
9,672,088
Issue date
Jun 6, 2017
Ricoh Company, Limited
Ryohya Hasebe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Driving apparatus, image forming apparatus, method of driving contr...
Patent number
9,436,121
Issue date
Sep 6, 2016
Ricoh Company, Ltd.
Kohhei Yamaguchi
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
PWM generating unit, image forming apparatus, and image forming method
Patent number
8,886,072
Issue date
Nov 11, 2014
Ricoh Company, Ltd.
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Imaging device, image detecting method and focus adjusting method
Patent number
8,542,941
Issue date
Sep 24, 2013
Nikon Corporation
Kazuma Hosoi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming device including color photoconductor drums, photocon...
Patent number
8,229,310
Issue date
Jul 24, 2012
Ricoh Company, Ltd.
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
8,200,133
Issue date
Jun 12, 2012
Ricoh Company, Limited
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming device and deviation correcting method
Patent number
7,848,687
Issue date
Dec 7, 2010
Ricoh Company, Ltd.
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Camera system with current and discharge controlled illumination
Patent number
7,660,520
Issue date
Feb 9, 2010
Nikon Corporation
Hiroyuki Iwasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Camera and method of imaging
Patent number
7,650,068
Issue date
Jan 19, 2010
Nikon Corporation
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus including a phase adjusting unit for adjust...
Patent number
7,558,510
Issue date
Jul 7, 2009
Ricoh Company, Limited
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming and reproducing apparatus, and image transferring met...
Patent number
7,280,789
Issue date
Oct 9, 2007
Ricoh Company, Ltd.
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Flash control device, flash control system, master flash device, an...
Patent number
6,987,931
Issue date
Jan 17, 2006
Nikon Corporation
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Flash control device and flash control system
Patent number
6,795,647
Issue date
Sep 21, 2004
Nikon Corporation
Hiroyuki Iwasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Camera, and method of opening and closing a lens
Patent number
6,641,311
Issue date
Nov 4, 2003
Fuji Photo Film Co., Ltd.
Koji Yoshida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Flash control device
Patent number
6,564,014
Issue date
May 13, 2003
Nikon Corporation
Hiroshi Takeuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electronic flash controlling device
Patent number
6,560,412
Issue date
May 6, 2003
Nikon Corporation
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Camera
Patent number
6,393,218
Issue date
May 21, 2002
Fuji Photo Film Co., Ltd.
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical instrument equipped with zoom lens
Patent number
6,278,843
Issue date
Aug 21, 2001
Fuji Photo Film Co., Ltd.
Hiroyuki Iwasaki
G02 - OPTICS
Information
Patent Grant
Electronic flash control apparatus
Patent number
6,272,292
Issue date
Aug 7, 2001
Nikon Corporation
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Zoom lens device with zooming position detector
Patent number
6,195,211
Issue date
Feb 27, 2001
Fuji Photo Film Co., Ltd.
Hiroyuki Iwasaki
G02 - OPTICS
Information
Patent Grant
Electronic flash control device
Patent number
6,154,612
Issue date
Nov 28, 2000
Nikon Corporation
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Zoom lens device with zooming position detector
Patent number
6,104,549
Issue date
Aug 15, 2000
Fuji Photo Film Co., Ltd.
Hiroyuki Iwasaki
G02 - OPTICS
Information
Patent Grant
Photometry device of camera
Patent number
5,987,265
Issue date
Nov 16, 1999
Nikon Corporation
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Photometry device that detects and compensates for an inversion abn...
Patent number
5,963,252
Issue date
Oct 5, 1999
Nikon Corporation
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Zoom lens device with zooming position detector
Patent number
5,926,322
Issue date
Jul 20, 1999
Fuji Photo Film Co., Ltd.
Hiroyuki Iwasaki
G02 - OPTICS
Information
Patent Grant
Camera photometry device
Patent number
5,887,204
Issue date
Mar 23, 1999
Nikon Corporation
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Variable focus lens device in camera
Patent number
5,819,120
Issue date
Oct 6, 1998
Fuji Photo Film Co., Ltd.
Hisashi Hamada
G02 - OPTICS
Information
Patent Grant
Zoom lens device
Patent number
5,790,903
Issue date
Aug 4, 1998
Fuji Photo Film Co., Ltd.
Hiroyuki Iwasaki
G02 - OPTICS
Information
Patent Grant
Solid state imager having high frequency transfer mode
Patent number
5,777,671
Issue date
Jul 7, 1998
Sony Corporation
Yasuhito Maki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
DRIVING APPARATUS, IMAGE FORMING APPARATUS, METHOD OF DRIVING CONTR...
Publication number
20160124342
Publication date
May 5, 2016
RICOH COMPANY, LTD.
Kohhei YAMAGUCHI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
HARDWARE DEVICE CONTROLLER, IMAGE FORMING APPARATUS, AND CONTROL ME...
Publication number
20160055050
Publication date
Feb 25, 2016
RICOH COMPANY, LIMITED
Ryohya HASEBE
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MOTOR CONTROL APPARATUS, IMAGE FORMING APPARATUS, AND MOTOR CONTROL...
Publication number
20160026107
Publication date
Jan 28, 2016
RICOH COMPANY, LTD.
Yoshihiro TAKAHASHI
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
PWM GENERATING UNIT, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
Publication number
20130177331
Publication date
Jul 11, 2013
Ricoh Company, Ltd.
Hiroyuki IWASAKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
PATCH ANTENNA
Publication number
20110102269
Publication date
May 5, 2011
Masato Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Image forming apparatus
Publication number
20100028028
Publication date
Feb 4, 2010
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming device, photoconductor drum drive controlling method,...
Publication number
20100008689
Publication date
Jan 14, 2010
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
COMMUNICATION TERMINAL APPARATUS, INFORMATION PROCESSING APPARATUS
Publication number
20090305745
Publication date
Dec 10, 2009
Kabushiki Kaisha Toshiba
Mitsuhiro Satoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Imaging device, image detecting method and focus adjusting method
Publication number
20090028394
Publication date
Jan 29, 2009
Nikon Corporation
Kazuma Hosoi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image forming device and deviation correcting method
Publication number
20080056741
Publication date
Mar 6, 2008
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Camera system
Publication number
20070189754
Publication date
Aug 16, 2007
Hiroyuki Iwasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Camera and method of imaging
Publication number
20070189758
Publication date
Aug 16, 2007
Nikon Corporation
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and method for controlling image forming ap...
Publication number
20070059041
Publication date
Mar 15, 2007
Ricoh Company, Limited
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming and reproducing apparatus, and image transferring method
Publication number
20060002745
Publication date
Jan 5, 2006
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Flash control device, flash control system, master flash device, an...
Publication number
20040240868
Publication date
Dec 2, 2004
Nikon Corporation
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FLASH CONTROL DEVICE AND FLASH CONTROL SYSTEM
Publication number
20040151487
Publication date
Aug 5, 2004
Nikon Corporation
Hiroyuki Iwasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Camera, and method of opening and closing a lens
Publication number
20030044182
Publication date
Mar 6, 2003
FUJI PHOTO FILM CO., LTD.
Koji Yoshida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Electronic flash controlling device
Publication number
20020154910
Publication date
Oct 24, 2002
Nikon Corporation
Hiroyuki Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY