Masaaki Tokunaga

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and transfer device having a rotatable door
- Patent number 9,037,041
- Issue date May 19, 2015
- Fuji Xerox Co., Ltd.
- Masakazu Shirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device and image forming apparatus including the same
- Patent number 8,897,668
- Issue date Nov 25, 2014
- Fuji Xerox Co., Ltd.
- Atsushi Kaneko
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device and image forming apparatus including the same
- Patent number 8,862,019
- Issue date Oct 14, 2014
- Fuji Xerox Co., Ltd.
- Tsutomu Komiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and transport guiding device having a smoot...
- Patent number 8,774,674
- Issue date Jul 8, 2014
- Fuji Xerox Co., Ltd.
- Masaaki Tokunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer collecting device and image forming apparatus
- Patent number 8,750,747
- Issue date Jun 10, 2014
- Fuji Xerox Co., Ltd.
- Kazuyuki Yagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer conveying apparatus and image forming apparatus
- Patent number 8,699,935
- Issue date Apr 15, 2014
- Fuji Xerox Co., Ltd.
- Kazumi Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus for causing restrainin...
- Patent number 8,693,925
- Issue date Apr 8, 2014
- Fuji Xerox Co., Ltd.
- Kiyohito Horii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,655,224
- Issue date Feb 18, 2014
- Fuji Xerox Co., Ltd.
- Naoto Yoshino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning unit, image carrier unit, and image forming apparatus
- Patent number 8,634,755
- Issue date Jan 21, 2014
- Fuji Xerox Co., Ltd.
- Tomoya Ichikawa
- B08 - CLEANING
Information Patent Grant
Image forming apparatus
- Patent number 8,630,562
- Issue date Jan 14, 2014
- Fuji Xerox Co., Ltd.
- Masaaki Tokunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder container and image forming apparatus having an opening/clos...
- Patent number 8,626,036
- Issue date Jan 7, 2014
- Fuji Xerox Co., Ltd.
- Kiyohito Horii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sensor member and image forming apparatus
- Patent number 8,577,240
- Issue date Nov 5, 2013
- Fuji Xerox Co., Ltd.
- Kiyohito Horii
- G01 - MEASURING TESTING
Information Patent Grant
Developer collecting device and image forming apparatus
- Patent number 8,503,903
- Issue date Aug 6, 2013
- Fuji Xerox Co., Ltd.
- Masatoshi Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having an image transfer unit movably attac...
- Patent number 8,467,704
- Issue date Jun 18, 2013
- Fuji Xerox Co., Ltd.
- Koichi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus
- Patent number 8,306,455
- Issue date Nov 6, 2012
- Fuji Xerox Co., Ltd.
- Masaaki Tokunaga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Feeding apparatus and image forming apparatus
- Patent number 8,285,169
- Issue date Oct 9, 2012
- Fuji Xerox Co., Ltd.
- Masakazu Shirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and apparatus exterior unit
- Patent number 8,229,322
- Issue date Jul 24, 2012
- Fuji Xerox Co., Ltd.
- Koichi Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having detachable intermediate transfer body
- Patent number 7,844,199
- Issue date Nov 30, 2010
- Fuji Xerox Co., Ltd.
- Shiroh Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Subunit attaching structure and subunit attaching/removing method i...
- Patent number 6,571,073
- Issue date May 27, 2003
- Fuji Xerox Co., Ltd.
- Wataru Suzuki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having means for preventing vibration of a...
- Patent number 5,822,665
- Issue date Oct 13, 1998
- Fuji Xerox Co., Ltd.
- Keiji Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus enabling easy and reliable recovery from a...
- Patent number 5,809,391
- Issue date Sep 15, 1998
- Fuji Xerox Co., Ltd.
- Tetsuya Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with improved transportation of curled sheets
- Patent number 5,758,252
- Issue date May 26, 1998
- Fuji Xerox Co., Ltd.
- Yoshihiro Enomoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having curling device for holding transfer...
- Patent number 5,737,681
- Issue date Apr 7, 1998
- Fuji Xerox Co., Ltd.
- Nobuo Hyakutake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer drum having a low-reflectivity area
- Patent number 5,659,836
- Issue date Aug 19, 1997
- Fuji Xerox Co., Ltd.
- Nobuo Hyakutake
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imaging forming apparatus with detecting capabilities of a conditio...
- Patent number 5,659,863
- Issue date Aug 19, 1997
- Fuji Xerox Co., Ltd.
- Takashi Kawabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a device for stripping a transfer me...
- Patent number 5,617,197
- Issue date Apr 1, 1997
- Fuji Xerox Co., Ltd.
- Takashi Kawabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Reliable transfer film attachment structure
- Patent number 5,594,536
- Issue date Jan 14, 1997
- Fuji Xerox Co., Ltd.
- Takashi Kawabata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
CLEANING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20130142539
- Publication date Jun 6, 2013
- FUJI XEROX CO., LTD
- Tsutomu KOMIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20130142540
- Publication date Jun 6, 2013
- FUJI XEROX CO., LTD
- Atsushi KANEKO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND TRANSFER DEVICE
- Publication number 20130077992
- Publication date Mar 28, 2013
- FUJI XEROX CO., LTD
- Masakazu SHIRAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND TRANSPORT GUIDING DEVICE
- Publication number 20130077995
- Publication date Mar 28, 2013
- FUJI XEROX CO., LTD
- Masaaki TOKUNAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SENSOR MEMBER AND IMAGE FORMING APPARATUS
- Publication number 20120114360
- Publication date May 10, 2012
- FUJI XEROX CO., LTD
- Kiyohito HORII
- G01 - MEASURING TESTING
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20120114387
- Publication date May 10, 2012
- FUJI XEROX CO., LTD
- Kiyohito HORII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER CONTAINER AND IMAGE FORMING APPARATUS
- Publication number 20120114391
- Publication date May 10, 2012
- FUJI XEROX CO., LTD
- Kiyohito Horii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER COLLECTING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120114370
- Publication date May 10, 2012
- FUJI XEROX CO., LTD
- Masatoshi YAMADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120114369
- Publication date May 10, 2012
- FUJI XEROX CO., LTD
- Masaaki TOKUNAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER COLLECTING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120114367
- Publication date May 10, 2012
- FUJI XEROX CO., LTD
- Kazuyuki YAGATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING UNIT, IMAGE CARRIER UNIT, AND IMAGE FORMING APPARATUS
- Publication number 20120082495
- Publication date Apr 5, 2012
- FUJI XEROX CO., LTD
- Tomoya Ichikawa
- B08 - CLEANING
Information Patent Application
FEEDING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20110116824
- Publication date May 19, 2011
- FUJI XEROX CO., LTD
- Masakazu SHIRAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110110686
- Publication date May 12, 2011
- FUJI XEROX CO., LTD
- Naoto YOSHINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110110684
- Publication date May 12, 2011
- FUJI XEROX CO., LTD
- Koichi SATO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND APPARATUS EXTERIOR UNIT
- Publication number 20110110685
- Publication date May 12, 2011
- FUJI XEROX CO., LTD
- Koichi SATO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110069990
- Publication date Mar 24, 2011
- FUJI XEROX CO., LTD
- Masaaki TOKUNAGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONVEYING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20100232851
- Publication date Sep 16, 2010
- Kazumi Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090123178
- Publication date May 14, 2009
- FUJI XEROX CO., LTD
- Shiroh SUZUKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20090123196
- Publication date May 14, 2009
- FUJI XEROX CO., LTD
- Yoshihisa NAKAO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masaaki Tokunaga

Person

Patents Grantslast 30 patents

Image forming apparatus and transfer device having a rotatable door

Cleaning device and image forming apparatus including the same

Cleaning device and image forming apparatus including the same

Image forming apparatus and transport guiding device having a smoot...

Developer collecting device and image forming apparatus

Developer conveying apparatus and image forming apparatus

Powder container and image forming apparatus for causing restrainin...

Image forming apparatus

Cleaning unit, image carrier unit, and image forming apparatus

Image forming apparatus

Powder container and image forming apparatus having an opening/clos...

Sensor member and image forming apparatus

Developer collecting device and image forming apparatus

Image forming apparatus having an image transfer unit movably attac...

Transfer device and image forming apparatus

Feeding apparatus and image forming apparatus

Image forming apparatus and apparatus exterior unit

Image forming apparatus having detachable intermediate transfer body

Subunit attaching structure and subunit attaching/removing method i...

Image forming apparatus having means for preventing vibration of a...

Image forming apparatus enabling easy and reliable recovery from a...

Image forming apparatus with improved transportation of curled sheets

Image forming apparatus having curling device for holding transfer...

Transfer drum having a low-reflectivity area

Imaging forming apparatus with detecting capabilities of a conditio...

Image forming apparatus having a device for stripping a transfer me...

Reliable transfer film attachment structure

Patents Applicationslast 30 patents

CLEANING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

CLEANING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

IMAGE FORMING APPARATUS AND TRANSFER DEVICE

IMAGE FORMING APPARATUS AND TRANSPORT GUIDING DEVICE

SENSOR MEMBER AND IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

POWDER CONTAINER AND IMAGE FORMING APPARATUS

DEVELOPER COLLECTING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

DEVELOPER COLLECTING DEVICE AND IMAGE FORMING APPARATUS

CLEANING UNIT, IMAGE CARRIER UNIT, AND IMAGE FORMING APPARATUS

FEEDING APPARATUS AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND APPARATUS EXTERIOR UNIT

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

DEVELOPER CONVEYING APPARATUS AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS