Osamu ICHIHASHI

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Belt device and image forming apparatus incorporating same
- Patent number 10,558,148
- Issue date Feb 11, 2020
- Ricoh Company, Ltd.
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Roller member and image forming apparatus including the roller member
- Patent number 10,234,794
- Issue date Mar 19, 2019
- Ricoh Company, Ltd.
- Masakazu Imai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus incorporating same
- Patent number 10,114,331
- Issue date Oct 30, 2018
- Ricoh Company, Ltd.
- Junpei Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Roller member including a first and second high resistance member a...
- Patent number 9,897,946
- Issue date Feb 20, 2018
- Ricoh Company, Ltd.
- Masakazu Imai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus incorporating same
- Patent number 9,778,603
- Issue date Oct 3, 2017
- Ricoh Company, Ltd.
- Tsutomu Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,465,331
- Issue date Oct 11, 2016
- Ricoh Company, Ltd.
- Masakazu Imai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,395,659
- Issue date Jul 19, 2016
- Ricoh Company, Ltd.
- Shinya Tanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus including same
- Patent number 9,335,668
- Issue date May 10, 2016
- Ricoh Company, Ltd.
- Ryuuichi Mimbu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus incorporating same
- Patent number 9,274,461
- Issue date Mar 1, 2016
- Ricoh Company, Ltd.
- Tsutomu Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus incorporating same
- Patent number 9,256,165
- Issue date Feb 9, 2016
- Ricoh Company, Ltd.
- Yasufumi Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a holding member to hold a roller...
- Patent number 9,213,272
- Issue date Dec 15, 2015
- Ricoh Company, Ltd.
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a cam member to separate a transf...
- Patent number 9,141,039
- Issue date Sep 22, 2015
- Ricoh Company, Ltd.
- Yuji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,134,656
- Issue date Sep 15, 2015
- Ricoh Company, Ltd.
- Takehide Mizutani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and belt tensioning unit
- Patent number 9,063,472
- Issue date Jun 23, 2015
- Ricoh Company, Limited
- Kenji Sengoku
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,037,042
- Issue date May 19, 2015
- Ricoh Company, Limited
- Yuji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,831,466
- Issue date Sep 9, 2014
- Ricoh Company, Ltd.
- Junpei Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus using same
- Patent number 8,811,867
- Issue date Aug 19, 2014
- Ricoh Company, Limited
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,798,511
- Issue date Aug 5, 2014
- Ricoh Company, Ltd.
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,737,865
- Issue date May 27, 2014
- Ricoh Company, Ltd.
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,718,500
- Issue date May 6, 2014
- Ricoh Company, Ltd.
- Ryuichi Minbu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,571,450
- Issue date Oct 29, 2013
- Ricoh Company, Ltd.
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with transfer nip adjustment function
- Patent number 8,548,345
- Issue date Oct 1, 2013
- Ricoh Company, Ltd.
- Ryuichi Minbe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,526,842
- Issue date Sep 3, 2013
- Ricoh Company, Ltd.
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer assembly and image forming apparatus using same
- Patent number 8,483,597
- Issue date Jul 9, 2013
- Ricoh Company, Ltd.
- Ryuuichi Mimbu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Detector and roller arrangement for an image forming apparatus
- Patent number 8,447,198
- Issue date May 21, 2013
- Ricoh Company, Ltd.
- Junpei Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with transfer nip adjustment function
- Patent number 8,433,221
- Issue date Apr 30, 2013
- Ricoh Company, Ltd.
- Ryuichi Minbe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus using same
- Patent number 8,417,164
- Issue date Apr 9, 2013
- Ricoh Company, Limited
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
BELT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20190302654
- Publication date Oct 3, 2019
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20180157209
- Publication date Jun 7, 2018
- RICOH COMPANY, LTD.
- Junpei Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20180143570
- Publication date May 24, 2018
- Takehide MIZUTANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ROLLER MEMBER AND IMAGE FORMING APPARATUS INCLUDING THE ROLLER MEMBER
- Publication number 20170168429
- Publication date Jun 15, 2017
- Masakazu IMAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ROLLER MEMBER AND IMAGE FORMING APPARATUS INCLUDING THE ROLLER MEMBER
- Publication number 20170168430
- Publication date Jun 15, 2017
- Masakazu IMAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20170010566
- Publication date Jan 12, 2017
- RICOH COMPANY, LTD.
- Tsutomu Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20160139543
- Publication date May 19, 2016
- RICOH COMPANY, LTD.
- Masakazu Imai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20140334847
- Publication date Nov 13, 2014
- RICOH COMPANY, LTD.
- Yasufumi TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140328604
- Publication date Nov 6, 2014
- Shinya TANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140328603
- Publication date Nov 6, 2014
- Takehide Mizutani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20140314435
- Publication date Oct 23, 2014
- Tsutomu KATO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140072340
- Publication date Mar 13, 2014
- Yuji KATO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140016970
- Publication date Jan 16, 2014
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130322935
- Publication date Dec 5, 2013
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130243482
- Publication date Sep 19, 2013
- RICOH COMPANY, LIMITED
- Yuji KATO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS WITH TRANSFER NIP ADJUSTMENT FUNCTION
- Publication number 20130223901
- Publication date Aug 29, 2013
- Ryuichi MINBE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS USING SAME
- Publication number 20130189002
- Publication date Jul 25, 2013
- Osamu ICHIHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130114982
- Publication date May 9, 2013
- Osamu ICHIHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND BELT TENSIONING UNIT
- Publication number 20120237260
- Publication date Sep 20, 2012
- Kenji Sengoku
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120224879
- Publication date Sep 6, 2012
- Junpei Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME
- Publication number 20120121293
- Publication date May 17, 2012
- RICOH COMPANY, LTD.
- Ryuuichi Mimbu
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110286759
- Publication date Nov 24, 2011
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110206399
- Publication date Aug 25, 2011
- Junpei FUJITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER ASSEMBLY AND IMAGE FORMING APPARATUS USING SAME
- Publication number 20110158690
- Publication date Jun 30, 2011
- Ryuuichi MIMBU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS USING SAME
- Publication number 20110064487
- Publication date Mar 17, 2011
- Osamu ICHIHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100272478
- Publication date Oct 28, 2010
- Osamu Ichihashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100221029
- Publication date Sep 2, 2010
- Ryuichi MINBU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS WITH TRANSFER NIP ADJUSTMENT FUNCTION
- Publication number 20100142985
- Publication date Jun 10, 2010
- Ryuichi MINBE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Osamu ICHIHASHI

Person

Patents Grantslast 30 patents

Belt device and image forming apparatus incorporating same

Roller member and image forming apparatus including the roller member

Transfer device and image forming apparatus incorporating same

Roller member including a first and second high resistance member a...

Transfer device and image forming apparatus incorporating same

Image forming apparatus

Image forming apparatus

Transfer device and image forming apparatus including same

Transfer device and image forming apparatus incorporating same

Transfer device and image forming apparatus incorporating same

Image forming apparatus including a holding member to hold a roller...

Image forming apparatus including a cam member to separate a transf...

Image forming apparatus

Image forming apparatus and belt tensioning unit

Image forming apparatus

Image forming apparatus

Transfer device and image forming apparatus using same

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus with transfer nip adjustment function

Image forming apparatus

Transfer assembly and image forming apparatus using same

Detector and roller arrangement for an image forming apparatus

Image forming apparatus with transfer nip adjustment function

Transfer device and image forming apparatus using same

Patents Applicationslast 30 patents

BELT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS

ROLLER MEMBER AND IMAGE FORMING APPARATUS INCLUDING THE ROLLER MEMBER

ROLLER MEMBER AND IMAGE FORMING APPARATUS INCLUDING THE ROLLER MEMBER

TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS

TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS WITH TRANSFER NIP ADJUSTMENT FUNCTION

TRANSFER DEVICE AND IMAGE FORMING APPARATUS USING SAME

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND BELT TENSIONING UNIT

IMAGE FORMING APPARATUS

TRANSFER DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

TRANSFER ASSEMBLY AND IMAGE FORMING APPARATUS USING SAME

TRANSFER DEVICE AND IMAGE FORMING APPARATUS USING SAME

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS WITH TRANSFER NIP ADJUSTMENT FUNCTION