Masahiro Ashikawa

Person

Sagamihara-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Control device, image forming apparatus, image forming method, and...
- Patent number 12,117,755
- Issue date Oct 15, 2024
- Ricoh Company, Ltd.
- Kanji Ubukata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus in which rotational position of image beare...
- Patent number 11,971,675
- Issue date Apr 30, 2024
- Ricoh Company, Ltd.
- Masashi Kasamai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus including photoconducto...
- Patent number 11,803,135
- Issue date Oct 31, 2023
- Ricoh Company, Ltd.
- Nagisa Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,789,383
- Issue date Oct 17, 2023
- Ricoh Company, Ltd.
- Jumpei Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 11,256,197
- Issue date Feb 22, 2022
- Ricoh Company, Ltd.
- Masahiro Ashikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Material conveyor, transfer device incorporating the material conve...
- Patent number 10,322,895
- Issue date Jun 18, 2019
- Ricoh Company, Ltd.
- Daisuke Momose
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Motor control device, image forming apparatus, and motor control me...
- Patent number 9,419,557
- Issue date Aug 16, 2016
- Ricoh Company, Ltd.
- Masahiro Ashikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Intermediate transfer device, image forming apparatus and secondary...
- Patent number 8,660,473
- Issue date Feb 25, 2014
- Ricoh Company, Ltd.
- Masahiro Ashikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
To-be-transferred object length measurement device and image formin...
- Patent number 8,639,174
- Issue date Jan 28, 2014
- Ricoh Company, Ltd.
- Masahiro Ashikawa
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus, recording medium conveying method, and ima...
- Patent number 8,590,891
- Issue date Nov 26, 2013
- Ricoh Company, Ltd.
- Motoharu Takahashi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Carrying apparatus, image forming apparatus, carried medium carryin...
- Patent number 8,465,013
- Issue date Jun 18, 2013
- Ricoh Company, Ltd.
- Masahiro Ashikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Intermediate transfer device, image forming apparatus and secondary...
- Patent number 8,364,064
- Issue date Jan 29, 2013
- Ricoh Company, Ltd.
- Masahiro Ashikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20230195017
- Publication date Jun 22, 2023
- RICOH COMPANY, LTD.
- Masashi Kasamai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONTROL DEVICE, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND...
- Publication number 20230134616
- Publication date May 4, 2023
- RICOH COMPANY, LTD.
- Kanji Ubukata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20230042229
- Publication date Feb 9, 2023
- Nagisa NAKAMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20220357687
- Publication date Nov 10, 2022
- Jumpei YAMAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20210278785
- Publication date Sep 9, 2021
- RICOH COMPANY, LTD.
- Masahiro Ashikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MATERIAL CONVEYOR, TRANSFER DEVICE INCORPORATING THE MATERIAL CONVE...
- Publication number 20180093841
- Publication date Apr 5, 2018
- RICOH COMPANY, LTD.
- Daisuke MOMOSE
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
MOTOR CONTROL DEVICE, IMAGE FORMING APPARATUS, AND MOTOR CONTROL ME...
- Publication number 20140306633
- Publication date Oct 16, 2014
- RICOH COMPANY, LTD.
- Masahiro Ashikawa
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
IMAGE FORMING APPARATUS, RECORDING MEDIUM CONVEYING METHOD, AND IMA...
- Publication number 20130161900
- Publication date Jun 27, 2013
- RICOH COMPANY, LTD.
- Motoharu TAKAHASHI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Intermediate Transfer Device, Image Forming Apparatus And Secondary...
- Publication number 20130121715
- Publication date May 16, 2013
- Masahiro ASHIKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRYING APPARATUS, IMAGE FORMING APPARATUS, CARRIED MEDIUM CARRYIN...
- Publication number 20110064496
- Publication date Mar 17, 2011
- RICOH COMPANY, LTD.
- Masahiro Ashikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
To-be-transferred object length measurement device and image formin...
- Publication number 20100239282
- Publication date Sep 23, 2010
- Masahiro Ashikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Intermediate transfer device, image forming apparatus and secondary...
- Publication number 20100034565
- Publication date Feb 11, 2010
- Masahiro Ashikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masahiro Ashikawa

Person

Patents Grantslast 30 patents

Control device, image forming apparatus, image forming method, and...

Image forming apparatus in which rotational position of image beare...

Transfer device and image forming apparatus including photoconducto...

Image forming apparatus

Image forming apparatus

Material conveyor, transfer device incorporating the material conve...

Motor control device, image forming apparatus, and motor control me...

Intermediate transfer device, image forming apparatus and secondary...

To-be-transferred object length measurement device and image formin...

Image forming apparatus, recording medium conveying method, and ima...

Carrying apparatus, image forming apparatus, carried medium carryin...

Intermediate transfer device, image forming apparatus and secondary...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

CONTROL DEVICE, IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND...

TRANSFER DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

MATERIAL CONVEYOR, TRANSFER DEVICE INCORPORATING THE MATERIAL CONVE...

MOTOR CONTROL DEVICE, IMAGE FORMING APPARATUS, AND MOTOR CONTROL ME...

IMAGE FORMING APPARATUS, RECORDING MEDIUM CONVEYING METHOD, AND IMA...

Intermediate Transfer Device, Image Forming Apparatus And Secondary...

CARRYING APPARATUS, IMAGE FORMING APPARATUS, CARRIED MEDIUM CARRYIN...

To-be-transferred object length measurement device and image formin...

Intermediate transfer device, image forming apparatus and secondary...