Masato Sakai

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fixation device and image formation apparatus
- Patent number 10,082,752
- Issue date Sep 25, 2018
- Oki Data Corporation
- Masato Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fuser device and image forming apparatus
- Patent number 9,696,669
- Issue date Jul 4, 2017
- Oki Data Corporation
- Tetsuya Uehashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Epitaxial wafer and method of producing same
- Patent number 9,340,900
- Issue date May 17, 2016
- Sumco Corporation
- Shinji Nakahara
- C30 - CRYSTAL GROWTH
Information Patent Grant
Medium transporting apparatus and image forming apparatus
- Patent number 9,158,245
- Issue date Oct 13, 2015
- Oki Data Corporation
- Masato Sakai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Fixation device and image formation apparatus
- Patent number 9,128,433
- Issue date Sep 8, 2015
- Oki Data Corporation
- Masato Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixation device and image formation apparatus
- Patent number 8,761,621
- Issue date Jun 24, 2014
- Oki Data Corporation
- Masato Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Belt device and image forming apparatus
- Patent number 8,290,417
- Issue date Oct 16, 2012
- Oki Data Corporation
- Masato Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 8,195,073
- Issue date Jun 5, 2012
- Oki Data Corporation
- Masato Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Epitaxial silicon wafer and fabrication method thereof
- Patent number 8,152,919
- Issue date Apr 10, 2012
- Sumco Corporation
- Takayuki Dohi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Epitaxial silicon wafer and fabrication method thereof
- Patent number 7,989,073
- Issue date Aug 2, 2011
- Sumco Corporation
- Takayuki Dohi
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Internal diameter measurement device
- Patent number 7,856,730
- Issue date Dec 28, 2010
- Olympus Medical Systems Corp.
- Masato Sakai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Fusing device with rough surface and method for manufacturing the f...
- Patent number 7,340,209
- Issue date Mar 4, 2008
- Oki Data Corporation
- Sumio Aramata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing apparatus having a pressurizing mechanism
- Patent number 7,333,762
- Issue date Feb 19, 2008
- Oki Data Corporation
- Noboru Oishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with paper separator-fixing roller gap mech...
- Patent number 7,133,633
- Issue date Nov 7, 2006
- Oki Data Corporation
- Masahiro Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with toner replacement sensor
- Patent number 6,763,200
- Issue date Jul 13, 2004
- Oki Data Corporation
- Masato Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing unit having a separator plate for separating a print medium...
- Patent number 6,748,191
- Issue date Jun 8, 2004
- Oki Data Corporation
- Tsutomu Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus having a controller for setting print...
- Patent number 6,112,037
- Issue date Aug 29, 2000
- Oki Data Corporation
- Masato Nagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image recording apparatus having a neutralizing device
- Patent number 5,983,041
- Issue date Nov 9, 1999
- Oki Data Corporation
- Noboru Otaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus having a printing mechanism selective...
- Patent number 5,983,042
- Issue date Nov 9, 1999
- Oki Data Corporation
- Masato Nagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electronic mail system with sorting function of destination address...
- Patent number 5,812,770
- Issue date Sep 22, 1998
- Kabushiki Kaisha Toshiba
- Masato Sakai
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Electrophotographic recording apparatus having reverse-charged tone...
- Patent number 5,740,493
- Issue date Apr 14, 1998
- Oki Data Corporation
- Noboru Otaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for and method of forming image
- Patent number 5,517,289
- Issue date May 14, 1996
- Oki Electric Industry Co., Ltd.
- Katsuyuki Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus for collecting toner with the developing ro...
- Patent number 5,333,041
- Issue date Jul 26, 1994
- Oki Electric Industry Co., Ltd.
- Katsuyuki Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for and method of forming image
- Patent number 5,321,471
- Issue date Jun 14, 1994
- Oki Electric Industry Co., Ltd.
- Katsuyuki Ito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having function of dust removal
- Patent number 5,239,345
- Issue date Aug 24, 1993
- Oki Electric Industry Co., Ltd.
- Hiroshi Kikuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer assembly of electrophotographic printer
- Patent number 5,144,383
- Issue date Sep 1, 1992
- Oki Electric Industry Co., Ltd.
- Toshiro Murano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
FIXATION DEVICE AND IMAGE FORMATION APPARATUS
- Publication number 20170371282
- Publication date Dec 28, 2017
- Oki Data Corporation
- Masato SAKAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FUSER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20160320730
- Publication date Nov 3, 2016
- Oki Data Corporation
- Tetsuya UEHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXATION DEVICE AND IMAGE FORMATION APPARATUS
- Publication number 20140356039
- Publication date Dec 4, 2014
- Oki Data Corporation
- Masato Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MEDIUM TRANSPORTING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20130183069
- Publication date Jul 18, 2013
- Oki Data Corporation
- Masato SAKAI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
FIXATION DEVICE AND IMAGE FORMATION APPARATUS
- Publication number 20130084088
- Publication date Apr 4, 2013
- Oki Data Corporation
- Masato Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
EPITAXIAL SILICON WAFER AND FABRICATION METHOD THEREOF
- Publication number 20110239931
- Publication date Oct 6, 2011
- SUMCO CORPORATION
- Takayuki Dohi
- C30 - CRYSTAL GROWTH
Information Patent Application
BELT DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20100254737
- Publication date Oct 7, 2010
- Oki Data Corporation
- Masato Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus
- Publication number 20090190974
- Publication date Jul 30, 2009
- Oki Data Corporation
- Masato Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
INTERNAL DIAMETER MEASUREMENT DEVICE
- Publication number 20090178289
- Publication date Jul 16, 2009
- Masato Sakai
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
EPITAXIAL SILICON WAFER AND FABRICATION METHOD THEREOF
- Publication number 20080057323
- Publication date Mar 6, 2008
- SUMCO CORPORATION
- Takayuki Dohi
- C30 - CRYSTAL GROWTH
Information Patent Application
EPITAXIAL WAFER AND METHOD OF PRODUCING SAME
- Publication number 20080057324
- Publication date Mar 6, 2008
- SUMCO CORPORATION
- Shinji Nakahara
- C30 - CRYSTAL GROWTH
Information Patent Application
Fixing apparatus
- Publication number 20050185996
- Publication date Aug 25, 2005
- Oki Data Corporation
- Noboru Oishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fusing device and method for manufacturing fusing member
- Publication number 20050163541
- Publication date Jul 28, 2005
- Sumio Aramata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing apparatus and image forming apparatus that incorporates the...
- Publication number 20050013638
- Publication date Jan 20, 2005
- Masahiro Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing unit
- Publication number 20030081970
- Publication date May 1, 2003
- Tsutomu Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020122673
- Publication date Sep 5, 2002
- Oki Data Corporation
- Masato Sakai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masato Sakai

Person

Patents Grantslast 30 patents

Fixation device and image formation apparatus

Fuser device and image forming apparatus

Epitaxial wafer and method of producing same

Medium transporting apparatus and image forming apparatus

Fixation device and image formation apparatus

Fixation device and image formation apparatus

Belt device and image forming apparatus

Fixing device and image forming apparatus

Epitaxial silicon wafer and fabrication method thereof

Epitaxial silicon wafer and fabrication method thereof

Internal diameter measurement device

Fusing device with rough surface and method for manufacturing the f...

Fixing apparatus having a pressurizing mechanism

Image forming apparatus with paper separator-fixing roller gap mech...

Image forming apparatus with toner replacement sensor

Fixing unit having a separator plate for separating a print medium...

Color image forming apparatus having a controller for setting print...

Image recording apparatus having a neutralizing device

Color image forming apparatus having a printing mechanism selective...

Electronic mail system with sorting function of destination address...

Electrophotographic recording apparatus having reverse-charged tone...

Apparatus for and method of forming image

Image forming apparatus for collecting toner with the developing ro...

Apparatus for and method of forming image

Image forming apparatus having function of dust removal

Transfer assembly of electrophotographic printer

Patents Applicationslast 30 patents

FIXATION DEVICE AND IMAGE FORMATION APPARATUS

FUSER DEVICE AND IMAGE FORMING APPARATUS

FIXATION DEVICE AND IMAGE FORMATION APPARATUS

MEDIUM TRANSPORTING APPARATUS AND IMAGE FORMING APPARATUS

FIXATION DEVICE AND IMAGE FORMATION APPARATUS

EPITAXIAL SILICON WAFER AND FABRICATION METHOD THEREOF

BELT DEVICE AND IMAGE FORMING APPARATUS

Fixing device and image forming apparatus

INTERNAL DIAMETER MEASUREMENT DEVICE

EPITAXIAL SILICON WAFER AND FABRICATION METHOD THEREOF

EPITAXIAL WAFER AND METHOD OF PRODUCING SAME

Fixing apparatus

Fusing device and method for manufacturing fusing member

Fixing apparatus and image forming apparatus that incorporates the...

Fixing unit

Image forming apparatus