Membership
Tour
Register
Log in
Masafumi Yamada
Follow
Person
Kawasaki, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Medium heating device which intermittently applies heat to a contac...
Patent number
11,472,202
Issue date
Oct 18, 2022
Ricoh Company, Ltd.
Masafumi Yamada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid discharge apparatus
Patent number
11,383,528
Issue date
Jul 12, 2022
Ricoh Company, Ltd.
Masafumi Yamada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus with pre-heat and post-heat control
Patent number
11,014,380
Issue date
May 25, 2021
Ricoh Company, Ltd.
Masafumi Yamada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus and control method
Patent number
11,007,796
Issue date
May 18, 2021
Ricoh Company, Ltd.
Osamu Kizaki
G01 - MEASURING TESTING
Information
Patent Grant
Image forming apparatus and method for controlling plurality of hea...
Patent number
10,807,388
Issue date
Oct 20, 2020
Ricoh Company, Ltd.
Osamu Kizaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Treatment-liquid application device, drying device, and liquid disc...
Patent number
10,787,003
Issue date
Sep 29, 2020
Ricoh Company, Ltd.
Ryuuya Moriya
F26 - DRYING
Information
Patent Grant
Liquid discharge apparatus and image forming method
Patent number
10,556,449
Issue date
Feb 11, 2020
Ricoh Company, Ltd.
Junji Nakai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Drying device and liquid discharging device
Patent number
10,232,641
Issue date
Mar 19, 2019
Ricoh Company, Ltd.
Masafumi Yamada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet image forming apparatus
Patent number
9,550,375
Issue date
Jan 24, 2017
Ricoh Company, Ltd.
Masafumi Yamada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Dryer and inkjet image forming apparatus
Patent number
9,327,524
Issue date
May 3, 2016
Ricoh Company, Ltd.
Masafumi Yamada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Fixing device, image forming apparatus, and fixing method
Patent number
8,494,427
Issue date
Jul 23, 2013
Ricoh Company, Ltd.
Kazuya Nagao
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
8,472,852
Issue date
Jun 25, 2013
Ricoh Company, Ltd.
Yuichi Aoyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
8,428,503
Issue date
Apr 23, 2013
Ricoh Company, Ltd.
Tetsurou Sasamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electronics device having projector module
Patent number
8,373,678
Issue date
Feb 12, 2013
Ricoh Company, Limited
Masafumi Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fixing device and image forming apparatus
Patent number
8,170,457
Issue date
May 1, 2012
Ricoh Company, Ltd.
Yuichi Aoyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus capable of forming glossy color image
Patent number
8,023,877
Issue date
Sep 20, 2011
Ricoh Company Limited
Kazuhisa Sudo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method of preparing information recording medium
Patent number
7,960,084
Issue date
Jun 14, 2011
Ricoh Company, Ltd.
Nobuyuki Koinuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
7,883,089
Issue date
Feb 8, 2011
Ricoh Company, Limited
Kazuhisa Sudo
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Image forming apparatus and recording medium
Patent number
7,865,121
Issue date
Jan 4, 2011
Ricoh Company, Ltd.
Yukiko Iwasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image recording medium, sheet feeding device, and image forming app...
Patent number
7,817,953
Issue date
Oct 19, 2010
Ricoh Company, Limited
Mikio Ishibashi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Image forming method and apparatus, and a recording medium storing...
Patent number
7,484,827
Issue date
Feb 3, 2009
Ricoh Company, Ltd.
Minoru Morikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
MEDIUM HEATING DEVICE AND LIQUID DISCHARGE APPARATUS INCORPORATING...
Publication number
20220063303
Publication date
Mar 3, 2022
Ricoh Company, Ltd.
Masafumi YAMADA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
LIQUID DISCHARGE APPARATUS
Publication number
20210122171
Publication date
Apr 29, 2021
Masafumi YAMADA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
HEATING DEVICE AND LIQUID DISCHARGE APPARATUS
Publication number
20200164662
Publication date
May 28, 2020
RICOH COMPANY, LTD.
Masafumi Yamada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS AND CONTROL METHOD
Publication number
20200103794
Publication date
Apr 2, 2020
RICOH COMPANY, LTD.
Osamu Kizaki
G01 - MEASURING TESTING
Information
Patent Application
IMAGE FORMING APPARATUS AND METHOD FOR CONTROLLING PLURALITY OF HEA...
Publication number
20200101766
Publication date
Apr 2, 2020
RICOH COMPANY, LTD.
Osamu Kizaki
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
TREATMENT-LIQUID APPLICATION DEVICE, DRYING DEVICE, AND LIQUID DISC...
Publication number
20190275812
Publication date
Sep 12, 2019
RICOH COMPANY, LTD.
Ryuuya Moriya
F26 - DRYING
Information
Patent Application
LIQUID DISCHARGE APPARATUS AND IMAGE FORMING METHOD
Publication number
20190100032
Publication date
Apr 4, 2019
RICOH COMPANY, LTD.
Junji Nakai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
DRYING DEVICE AND LIQUID DISCHARGING DEVICE
Publication number
20170266986
Publication date
Sep 21, 2017
Masafumi YAMADA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INKJET IMAGE FORMING APPARATUS
Publication number
20160114600
Publication date
Apr 28, 2016
Masafumi YAMADA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
FIXING DEVICE, FIXING METHOD, IMAGE FORMING APPARATUS, AND IMAGE FO...
Publication number
20120301193
Publication date
Nov 29, 2012
Takanori Inadome
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
Publication number
20110275015
Publication date
Nov 10, 2011
Kazuya NAGAO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device and image forming apparatus
Publication number
20110222924
Publication date
Sep 15, 2011
RICOH COMPANY, LTD.
Yuichi Aoyama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing device and image forming apparatus
Publication number
20110217099
Publication date
Sep 8, 2011
RICOH COMPANY, LTD.
Tetsurou Sasamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
Publication number
20110008081
Publication date
Jan 13, 2011
Yuichi AOYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTRONICS DEVICE HAVING PROJECTOR MODULE
Publication number
20090262098
Publication date
Oct 22, 2009
Masafumi YAMADA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Image Forming Apparatus, Image Forming System, Paper Feeding Appara...
Publication number
20080236736
Publication date
Oct 2, 2008
Reki Nakamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
IMAGE FORMING APPARATUS CAPABLE OF FORMING GLOSSY COLOR IMAGE
Publication number
20080152407
Publication date
Jun 26, 2008
Kazuhisa Sudo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Sheet processing method and image forming apparatus
Publication number
20080135160
Publication date
Jun 12, 2008
Yukiko Iwasaki
B32 - LAYERED PRODUCTS
Information
Patent Application
INFORMATION RECORDING MEDIUM AND METHOD OF PREPARING SAME
Publication number
20080102392
Publication date
May 1, 2008
Nobuyuki KOINUMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING METHOD AND APPARATUS
Publication number
20080025774
Publication date
Jan 31, 2008
Mikio Ishibashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image recording medium and method and apparatus for producing the same
Publication number
20080019708
Publication date
Jan 24, 2008
Takashi Sakamaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
IMAGE FORMING APPARATUS AND RECORDING MEDIUM
Publication number
20080008946
Publication date
Jan 10, 2008
Yukiko IWASAKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20070278735
Publication date
Dec 6, 2007
Ricoh Company, Limited
Kazuhisa Sudo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image recording medium, sheet feeding device, and image forming app...
Publication number
20070164505
Publication date
Jul 19, 2007
Ricoh Company, Limited
Mikio Ishibashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming method and apparatus, and a recording medium storing...
Publication number
20060082612
Publication date
Apr 20, 2006
Minoru Morikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE