Ryota YAMASHINA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 9,568,868
- Issue date Feb 14, 2017
- Ricoh Company, Limited
- Shinichi Namekata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording media smoothness detector and image forming apparatus inc...
- Patent number 9,557,697
- Issue date Jan 31, 2017
- Ricoh Company, Ltd.
- Takumi Waida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device temperature control method, fixing device, and image...
- Patent number 9,448,516
- Issue date Sep 20, 2016
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,411,278
- Issue date Aug 9, 2016
- Ricoh Company, Ltd.
- Motoyoshi Yamano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device
- Patent number 9,411,284
- Issue date Aug 9, 2016
- Ricoh Company, Ltd.
- Takumi Waida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming device
- Patent number 9,405,242
- Issue date Aug 2, 2016
- Ricoh Company, Ltd.
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, fixing device control method, and image forming appa...
- Patent number 9,354,567
- Issue date May 31, 2016
- Ricoh Company, Ltd.
- Takumi Waida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a smoothness detector
- Patent number 9,250,592
- Issue date Feb 2, 2016
- Ricoh Company, Ltd.
- Ryota Yamashina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 9,235,177
- Issue date Jan 12, 2016
- Ricoh Company, Ltd.
- Takuya Seshita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with conveyance unit to regulate passage of...
- Patent number 9,195,183
- Issue date Nov 24, 2015
- Ricoh Company, Ltd.
- Ryota Yamashina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and method of arranging sheet detector
- Patent number 9,176,438
- Issue date Nov 3, 2015
- Ricoh Company, Ltd.
- Ryota Yamashina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,170,544
- Issue date Oct 27, 2015
- Ricoh Company, Ltd.
- Ryota Yamashina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device temperature control method, fixing device, and image...
- Patent number 9,164,438
- Issue date Oct 20, 2015
- Ricoh Company, Ltd.
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming device
- Patent number 9,146,512
- Issue date Sep 29, 2015
- Ricoh Company, Limited
- Kazuya Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,141,047
- Issue date Sep 22, 2015
- Ricoh Company, Limited
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,122,212
- Issue date Sep 1, 2015
- Ricoh Company, Ltd.
- Ippei Fujimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,075,357
- Issue date Jul 7, 2015
- Ricoh Company, Ltd.
- Kazuhito Kishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device
- Patent number 9,075,365
- Issue date Jul 7, 2015
- Ricoh Company, Ltd.
- Hiroshi Seo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 9,069,302
- Issue date Jun 30, 2015
- Ricoh Company, Ltd.
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device having heat shielding device and image forming appara...
- Patent number 9,046,832
- Issue date Jun 2, 2015
- Ricoh Company, Ltd.
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,042,761
- Issue date May 26, 2015
- Ricoh Company, Limited
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming device
- Patent number 9,031,439
- Issue date May 12, 2015
- Ricoh Company, Limited
- Takamasa Hase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 8,977,156
- Issue date Mar 10, 2015
- Ricoh Company, Ltd.
- Takeshi Yamamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device
- Patent number 8,965,230
- Issue date Feb 24, 2015
- Ricoh Company, Ltd.
- Ryota Yamashina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and control method used therein
- Patent number 8,948,641
- Issue date Feb 3, 2015
- Ricoh Company, Ltd.
- Ippei Fujimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device for locally heating a fixing member and image forming...
- Patent number 8,886,070
- Issue date Nov 11, 2014
- Ricoh Company, Ltd.
- Ryota Yamashina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, fixing device control method, and image forming appa...
- Patent number 8,886,071
- Issue date Nov 11, 2014
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus, and fixing condition contro...
- Patent number 8,831,448
- Issue date Sep 9, 2014
- Ricoh Company, Limited
- Ryota Yamashina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Temperature control method of thermal fixing device, thermal fixing...
- Patent number 8,818,225
- Issue date Aug 26, 2014
- Ricoh Company, Ltd.
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 8,805,225
- Issue date Aug 12, 2014
- Ricoh Company, Limited
- Takumi Waida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, INFOR...
- Publication number 20230384788
- Publication date Nov 30, 2023
- RICOH COMPANY, LTD.
- Junki AOKI
- G05 - CONTROLLING REGULATING
Information Patent Application
RECORDING MEDIA SMOOTHNESS DETECTOR AND IMAGE FORMING APPARATUS INC...
- Publication number 20150261161
- Publication date Sep 17, 2015
- Takumi WAIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING DEVICE
- Publication number 20150234329
- Publication date Aug 20, 2015
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150227095
- Publication date Aug 13, 2015
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150205241
- Publication date Jul 23, 2015
- Ryota YAMASHINA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL SENSOR AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20150116718
- Publication date Apr 30, 2015
- Terumichi OCHI
- G01 - MEASURING TESTING
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150078770
- Publication date Mar 19, 2015
- Motoyoshi YAMANO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150071660
- Publication date Mar 12, 2015
- Ryota YAMASHINA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150071661
- Publication date Mar 12, 2015
- Ryota Yamashina
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND METHOD OF ARRANGING SHEET DETECTOR
- Publication number 20140270822
- Publication date Sep 18, 2014
- Ryota YAMASHINA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20140227001
- Publication date Aug 14, 2014
- Kazuhito KISHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20140219673
- Publication date Aug 7, 2014
- Takeshi YAMAMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20140219696
- Publication date Aug 7, 2014
- Ippei FUJIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20140219672
- Publication date Aug 7, 2014
- Masahiro SAMEI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE TEMPERATURE CONTROL METHOD, FIXING DEVICE, AND IMAGE...
- Publication number 20140133877
- Publication date May 15, 2014
- RICOH COMPANY, LTD.
- Masahiro SAMEI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE TEMPERATURE CONTROL METHOD, FIXING DEVICE, AND IMAGE...
- Publication number 20140099138
- Publication date Apr 10, 2014
- RICOH COMPANY, LTD.
- Yasunori ISHIGAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20140010578
- Publication date Jan 9, 2014
- RICOH COMPANY, LTD.
- Yasunori Ishigaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20130308990
- Publication date Nov 21, 2013
- RICOH COMPANY, LTD.
- Masahiro SAMEI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20130209124
- Publication date Aug 15, 2013
- Kazuya SAITO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE
- Publication number 20130209126
- Publication date Aug 15, 2013
- Hiroshi SEO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND CONTROL METHOD USED THEREIN
- Publication number 20130209127
- Publication date Aug 15, 2013
- Ippei FUJIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE
- Publication number 20130209123
- Publication date Aug 15, 2013
- Takumi WAIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130209120
- Publication date Aug 15, 2013
- Shinichi NAMEKATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130209131
- Publication date Aug 15, 2013
- Takeshi Uchitani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE
- Publication number 20130209122
- Publication date Aug 15, 2013
- Ryota YAMASHINA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130202322
- Publication date Aug 8, 2013
- Takumi WAIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20130195477
- Publication date Aug 1, 2013
- TAKUYA SESHITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING DEVICE
- Publication number 20130195493
- Publication date Aug 1, 2013
- Takamasa HASE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TEMPERATURE CONTROL METHOD OF THERMAL FIXING DEVICE, THERMAL FIXING...
- Publication number 20120243895
- Publication date Sep 27, 2012
- Masahiro Samei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, FIXING DEVICE CONTROL METHOD, AND IMAGE FORMING APPA...
- Publication number 20120201547
- Publication date Aug 9, 2012
- Ryota YAMASHINA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Ryota YAMASHINA

Person

Patents Grantslast 30 patents

Image forming apparatus

Recording media smoothness detector and image forming apparatus inc...

Fixing device temperature control method, fixing device, and image...

Image forming apparatus

Fixing device

Fixing device and image forming device

Fixing device, fixing device control method, and image forming appa...

Image forming apparatus having a smoothness detector

Fixing device and image forming apparatus incorporating same

Image forming apparatus with conveyance unit to regulate passage of...

Image forming apparatus and method of arranging sheet detector

Image forming apparatus

Fixing device temperature control method, fixing device, and image...

Fixing device and image forming device

Fixing device and image forming apparatus

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus including same

Fixing device

Fixing device and image forming apparatus including same

Fixing device having heat shielding device and image forming appara...

Fixing device and image forming apparatus

Fixing device and image forming device

Fixing device and image forming apparatus including same

Fixing device

Fixing device and control method used therein

Fixing device for locally heating a fixing member and image forming...

Fixing device, fixing device control method, and image forming appa...

Fixing device, image forming apparatus, and fixing condition contro...

Temperature control method of thermal fixing device, thermal fixing...

Fixing device and image forming apparatus

Patents Applicationslast 30 patents

INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING SYSTEM, INFOR...

RECORDING MEDIA SMOOTHNESS DETECTOR AND IMAGE FORMING APPARATUS INC...

FIXING DEVICE AND IMAGE FORMING DEVICE

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

OPTICAL SENSOR AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND METHOD OF ARRANGING SHEET DETECTOR

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE TEMPERATURE CONTROL METHOD, FIXING DEVICE, AND IMAGE...

FIXING DEVICE TEMPERATURE CONTROL METHOD, FIXING DEVICE, AND IMAGE...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE

FIXING DEVICE AND CONTROL METHOD USED THEREIN

FIXING DEVICE

IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

FIXING DEVICE AND IMAGE FORMING DEVICE

TEMPERATURE CONTROL METHOD OF THERMAL FIXING DEVICE, THERMAL FIXING...

FIXING DEVICE, FIXING DEVICE CONTROL METHOD, AND IMAGE FORMING APPA...