Keita MAEJIMA

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Power supply and image forming apparatus incorporating same
- Patent number 10,826,390
- Issue date Nov 3, 2020
- Ricoh Company, Ltd.
- Ryohta Ueba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Water content measuring device, measuring method, and image forming...
- Patent number 10,746,583
- Issue date Aug 18, 2020
- Ricoh Company, Ltd.
- Yohei Kushida
- G01 - MEASURING TESTING
Information Patent Grant
Powder-amount detection device and image forming apparatus incorpor...
- Patent number 10,599,064
- Issue date Mar 24, 2020
- Ricoh Company, Ltd.
- Masahide Yamashita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Thickness detector and image forming apparatus
- Patent number 10,571,841
- Issue date Feb 25, 2020
- Ricoh Company, Ltd.
- Hayato Fujita
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Heater control device and image forming apparatus
- Patent number 10,555,373
- Issue date Feb 4, 2020
- Ricoh Company, Ltd.
- Shuntaro Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Remaining powder amount detection device, image forming device, and...
- Patent number 10,488,787
- Issue date Nov 26, 2019
- Ricoh Company, Ltd.
- Hiroshi Okamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder-amount detection device and image forming apparatus incorpor...
- Patent number 10,429,770
- Issue date Oct 1, 2019
- Ricoh Company, Ltd.
- Taku Kumiya
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus and setting method
- Patent number 10,029,871
- Issue date Jul 24, 2018
- Ricoh Company, Ltd.
- Keita Maejima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus, method, and non-transitory recording medium for power ge...
- Patent number 9,541,867
- Issue date Jan 10, 2017
- Rioch Company, Ltd.
- Homare Ehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,429,909
- Issue date Aug 30, 2016
- Ricoh Company, Ltd.
- Takaaki Shirai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image forming method, and computer-readabl...
- Patent number 9,389,573
- Issue date Jul 12, 2016
- Ricoh Company, Limited
- Norikazu Okada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 9,335,683
- Issue date May 10, 2016
- Ricoh Company, Ltd.
- Yasunori Ishigaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing control device, fixing control method, and image forming app...
- Patent number 9,116,479
- Issue date Aug 25, 2015
- Ricoh Company, Ltd.
- Hiroaki Umezawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, control method for the same, and image forming appar...
- Patent number 8,761,625
- Issue date Jun 24, 2014
- Ricoh Company, Limited
- Yushi Miyata
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Data transfer apparatus
- Patent number 7,633,508
- Issue date Dec 15, 2009
- Ricoh Company, Limited
- Eiji Enami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
POWER SUPPLY AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20190199211
- Publication date Jun 27, 2019
- RICOH COMPANY, LTD.
- Ryohta Ueba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
REMAINING POWDER AMOUNT DETECTION DEVICE, IMAGE FORMING DEVICE, AND...
- Publication number 20180348664
- Publication date Dec 6, 2018
- Hiroshi Okamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
POWDER-AMOUNT DETECTION DEVICE AND IMAGE FORMING APPARATUS INCORPOR...
- Publication number 20180348673
- Publication date Dec 6, 2018
- RICOH COMPANY, LTD.
- Taku KUMIYA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
POWDER-AMOUNT DETECTION DEVICE AND IMAGE FORMING APPARATUS INCORPOR...
- Publication number 20180341199
- Publication date Nov 29, 2018
- RICOH COMPANY, LTD.
- Masahide YAMASHITA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
WATER CONTENT MEASURING DEVICE, MEASURING METHOD, AND IMAGE FORMING...
- Publication number 20180321074
- Publication date Nov 8, 2018
- Yohei KUSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
THICKNESS DETECTOR AND IMAGE FORMING APPARATUS
- Publication number 20180239285
- Publication date Aug 23, 2018
- RICOH COMPANY, LTD.
- Hayato Fujita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND SETTING METHOD
- Publication number 20170336748
- Publication date Nov 23, 2017
- RICOH COMPANY, LTD.
- Keita MAEJIMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND NON-TRANSITORY R...
- Publication number 20160077475
- Publication date Mar 17, 2016
- RICOH COMPANY, LTD.
- Homare EHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER-READABL...
- Publication number 20150370216
- Publication date Dec 24, 2015
- RICOH COMPANY, LIMITED
- Norikazu OKADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20150261151
- Publication date Sep 17, 2015
- RICOH COMPANY, LTD.
- Yasunori Ishigaya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150177684
- Publication date Jun 25, 2015
- RICOH COMPANY, LTD.
- Takaaki SHIRAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING CONTROL DEVICE, FIXING CONTROL METHOD, AND IMAGE FORMING APP...
- Publication number 20140270835
- Publication date Sep 18, 2014
- RICOH COMPANY, LTD.
- Hiroaki UMEZAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, CONTROL METHOD FOR THE SAME, AND IMAGE FORMING APPAR...
- Publication number 20120051775
- Publication date Mar 1, 2012
- Yushi MIYATA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
DATA TRANSFER APPARATUS
- Publication number 20070057961
- Publication date Mar 15, 2007
- Eiji Enami
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Keita MAEJIMA

Person

Patents Grantslast 30 patents

Power supply and image forming apparatus incorporating same

Water content measuring device, measuring method, and image forming...

Powder-amount detection device and image forming apparatus incorpor...

Thickness detector and image forming apparatus

Heater control device and image forming apparatus

Remaining powder amount detection device, image forming device, and...

Powder-amount detection device and image forming apparatus incorpor...

Image forming apparatus and setting method

Apparatus, method, and non-transitory recording medium for power ge...

Image forming apparatus

Image forming apparatus, image forming method, and computer-readabl...

Fixing device and image forming apparatus

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

Fixing device, control method for the same, and image forming appar...

Data transfer apparatus

Patents Applicationslast 30 patents

POWER SUPPLY AND IMAGE FORMING APPARATUS INCORPORATING SAME

REMAINING POWDER AMOUNT DETECTION DEVICE, IMAGE FORMING DEVICE, AND...

POWDER-AMOUNT DETECTION DEVICE AND IMAGE FORMING APPARATUS INCORPOR...

POWDER-AMOUNT DETECTION DEVICE AND IMAGE FORMING APPARATUS INCORPOR...

WATER CONTENT MEASURING DEVICE, MEASURING METHOD, AND IMAGE FORMING...

THICKNESS DETECTOR AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND SETTING METHOD

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND NON-TRANSITORY R...

IMAGE FORMING APPARATUS, IMAGE FORMING METHOD, AND COMPUTER-READABL...

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

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

FIXING DEVICE, CONTROL METHOD FOR THE SAME, AND IMAGE FORMING APPAR...

DATA TRANSFER APPARATUS