Masashi HIRAI

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Belt unit and image forming apparatus
- Patent number 9,128,420
- Issue date Sep 8, 2015
- Sharp Kabushiki Kaisha
- Fumito Mizoguchi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus
- Patent number 9,091,967
- Issue date Jul 28, 2015
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Belt unit and image forming apparatus
- Patent number 8,881,891
- Issue date Nov 11, 2014
- Sharp Kabushiki Kaisha
- Fumito Mizoguchi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Belt conveyor member and image forming apparatus
- Patent number 8,824,916
- Issue date Sep 2, 2014
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus of intermediate transfer method, including...
- Patent number 8,699,902
- Issue date Apr 15, 2014
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus having same
- Patent number 8,355,659
- Issue date Jan 15, 2013
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus, and method for controlling...
- Patent number 8,295,726
- Issue date Oct 23, 2012
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer belt unit and image forming apparatus using the same
- Patent number 7,917,071
- Issue date Mar 29, 2011
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ion generating device with a discharge electrode on a dielectric bo...
- Patent number 7,801,464
- Issue date Sep 21, 2010
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ion generating device and image forming apparatus including same
- Patent number 7,725,052
- Issue date May 25, 2010
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer unit, transfer method, and image forming apparatus
- Patent number 7,548,709
- Issue date Jun 16, 2009
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Detaching/attaching mechanism and image forming device
- Patent number 7,257,351
- Issue date Aug 14, 2007
- Sharp Kabushiki Kaisha
- Hiroshi Tachiki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation device and image forming method using same
- Patent number 7,251,445
- Issue date Jul 31, 2007
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer belt device and image forming apparatus
- Patent number 7,162,192
- Issue date Jan 9, 2007
- Sharp Kabushiki Kaisha
- Masanori Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus
- Patent number 7,162,178
- Issue date Jan 9, 2007
- Sharp Kabushiki Kaisha
- Toshiki Takiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having transfer bias voltage
- Patent number 7,139,498
- Issue date Nov 21, 2006
- Sharp Kabushiki Kaisha
- Tamaki Mashiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,085,504
- Issue date Aug 1, 2006
- Sharp Kabushiki Kaisha
- Kazuhiro Matsuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,957,022
- Issue date Oct 18, 2005
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multicolored image forming apparatus for forming multicolored and m...
- Patent number 6,889,027
- Issue date May 3, 2005
- Sharp Kabushiki Kaisha
- Hiroshi Tachiki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,876,820
- Issue date Apr 5, 2005
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,775,486
- Issue date Aug 10, 2004
- Sharp Kabushiki Kaisha
- Kazuhiro Matsuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device
- Patent number 6,411,792
- Issue date Jun 25, 2002
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,301,023
- Issue date Oct 9, 2001
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for forming color images by the superimposition of visual...
- Patent number 6,173,141
- Issue date Jan 9, 2001
- Sharp Kabushiki Kaisha
- Hidekazu Sakagami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for forming superimposed image patterns having controlled...
- Patent number 6,148,168
- Issue date Nov 14, 2000
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet conveying system
- Patent number 6,108,514
- Issue date Aug 22, 2000
- Sharp Kabushiki Kaisha
- Osamu Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Paper-punching device for use in a image-forming apparatus
- Patent number 6,014,920
- Issue date Jan 18, 2000
- Sharp Kabushiki Kaisha
- Yasuji Yamauchi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Electrostatic image transfer apparatus
- Patent number 5,884,133
- Issue date Mar 16, 1999
- Sharp Kabushiki Kaisha
- Toshihide Morimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Paper-punching device for use in an image-forming apparatus
- Patent number 5,839,336
- Issue date Nov 24, 1998
- Sharp Kabushiki Kaisha
- Yasuji Yamauchi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus
- Patent number 5,655,173
- Issue date Aug 5, 1997
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150153685
- Publication date Jun 4, 2015
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BELT UNIT AND IMAGE FORMING APPARATUS
- Publication number 20150030357
- Publication date Jan 29, 2015
- Sharp Kabushiki Kaisha
- Fumito MIZOGUCHI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
BELT UNIT AND IMAGE FORMING APPARATUS
- Publication number 20130126314
- Publication date May 23, 2013
- Sharp Kabushiki Kaisha
- Fumito MIZOGUCHI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
BELT CONVEYOR MEMBER AND IMAGE FORMING APPARATUS
- Publication number 20130084097
- Publication date Apr 4, 2013
- Masashi HIRAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120020686
- Publication date Jan 26, 2012
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS HAVING SAME
- Publication number 20100183345
- Publication date Jul 22, 2010
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS HAVING SAME
- Publication number 20100183346
- Publication date Jul 22, 2010
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND METHOD FOR CONTROLLING...
- Publication number 20100142988
- Publication date Jun 10, 2010
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER BELT UNIT AND IMAGE FORMING APPARATUS USING THE SAME
- Publication number 20090097888
- Publication date Apr 16, 2009
- Masashi HIRAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ION GENERATING DEVICE, METHOD FOR PRODUCING ION GENERATING DEVICE,...
- Publication number 20090039244
- Publication date Feb 12, 2009
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Ion generating device and image forming apparatus including same
- Publication number 20080246828
- Publication date Oct 9, 2008
- SHARP KABUSHIKI KAISHA
- Masashi HIRAI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Transfer unit, transfer method, and image forming apparatus
- Publication number 20060245782
- Publication date Nov 2, 2006
- Sharp Kabushiki Kaisha
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Transfer belt device and image forming apparatus
- Publication number 20060067745
- Publication date Mar 30, 2006
- Sharp Kabushiki Kaisha
- Masanori Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color image forming developer and color image forming apparatus
- Publication number 20060008721
- Publication date Jan 12, 2006
- SHARP KABUSHIKI KAISHA
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image formation device and image forming method using same
- Publication number 20050214038
- Publication date Sep 29, 2005
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Transfer device and image forming apparatus
- Publication number 20050117932
- Publication date Jun 2, 2005
- Sharp Kabushiki Kaisha
- Toshiki Takiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Detaching/attaching mechanism and image forming device
- Publication number 20050074259
- Publication date Apr 7, 2005
- Hiroshi Tachiki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20040234280
- Publication date Nov 25, 2004
- Sharp Kabushiki Kaisha
- Kazuhiro Matsuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20040202488
- Publication date Oct 14, 2004
- Tamaki Mashiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20040184824
- Publication date Sep 23, 2004
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20040161252
- Publication date Aug 19, 2004
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and transfer unit
- Publication number 20040062577
- Publication date Apr 1, 2004
- Kohichi Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Multicolored image forming apparatus
- Publication number 20030156864
- Publication date Aug 21, 2003
- Hiroshi Tachiki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030156298
- Publication date Aug 21, 2003
- Kazuhiro Matsuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming device
- Publication number 20010018000
- Publication date Aug 30, 2001
- Masashi Hirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masashi HIRAI

Person

Patents Grantslast 30 patents

Belt unit and image forming apparatus

Image forming apparatus

Belt unit and image forming apparatus

Belt conveyor member and image forming apparatus

Image forming apparatus of intermediate transfer method, including...

Fixing device and image forming apparatus having same

Fixing device, image forming apparatus, and method for controlling...

Transfer belt unit and image forming apparatus using the same

Ion generating device with a discharge electrode on a dielectric bo...

Ion generating device and image forming apparatus including same

Transfer unit, transfer method, and image forming apparatus

Detaching/attaching mechanism and image forming device

Image formation device and image forming method using same

Transfer belt device and image forming apparatus

Transfer device and image forming apparatus

Image forming apparatus having transfer bias voltage

Image forming apparatus

Image forming apparatus

Multicolored image forming apparatus for forming multicolored and m...

Image forming apparatus

Image forming apparatus

Image forming device

Image forming apparatus

Apparatus for forming color images by the superimposition of visual...

Apparatus for forming superimposed image patterns having controlled...

Sheet conveying system

Paper-punching device for use in a image-forming apparatus

Electrostatic image transfer apparatus

Paper-punching device for use in an image-forming apparatus

Image forming apparatus

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

BELT UNIT AND IMAGE FORMING APPARATUS

BELT UNIT AND IMAGE FORMING APPARATUS

BELT CONVEYOR MEMBER AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS HAVING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS HAVING SAME

FIXING DEVICE, IMAGE FORMING APPARATUS, AND METHOD FOR CONTROLLING...

TRANSFER BELT UNIT AND IMAGE FORMING APPARATUS USING THE SAME

ION GENERATING DEVICE, METHOD FOR PRODUCING ION GENERATING DEVICE,...

Ion generating device and image forming apparatus including same

Transfer unit, transfer method, and image forming apparatus

Transfer belt device and image forming apparatus

Color image forming developer and color image forming apparatus

Image formation device and image forming method using same

Transfer device and image forming apparatus

Detaching/attaching mechanism and image forming device

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus and transfer unit

Multicolored image forming apparatus

Image forming apparatus

Image forming device