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Tsutomu Maekawa
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid composition, device for applying liquid composition, image f...
Patent number
11,560,491
Issue date
Jan 24, 2023
Ricoh Company, Ltd.
Dongsik Jang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink and processing liquid set, image forming method, and image form...
Patent number
11,040,561
Issue date
Jun 22, 2021
Ricoh Company, Ltd.
Takashi Tamai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming method and image forming apparatus
Patent number
10,851,253
Issue date
Dec 1, 2020
Ricoh Company, Ltd.
Tsutomu Maekawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Printing method and set of processing fluid and ink
Patent number
10,647,129
Issue date
May 12, 2020
Ricoh Company, Ltd.
Atsufumi Hanazawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming method, image forming apparatus, and recorded matter
Patent number
9,789,720
Issue date
Oct 17, 2017
Ricoh Company, Ltd.
Shosuke Aoai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Inkjet recording method, inkjet recording device, and ink recorded...
Patent number
9,217,092
Issue date
Dec 22, 2015
Ricoh Company, Ltd.
Kiminori Masuda
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Pre-treatment liquid and image forming method
Patent number
9,206,329
Issue date
Dec 8, 2015
Ricoh Company, Ltd.
Michihiko Namba
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Inkjet recording method and inkjet recording device
Patent number
9,205,677
Issue date
Dec 8, 2015
Ricoh Company, Ltd.
Michihiko Namba
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of producing film by inkjet process, and film
Patent number
8,815,140
Issue date
Aug 26, 2014
Ricoh Company, Ltd.
Tamotsu Aruga
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Grant
Ink jet recording method, ink jet recording apparatus, and ink jet...
Patent number
8,740,374
Issue date
Jun 3, 2014
Ricoh Company, Ltd.
Shin-ya Seno
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ultraviolet crosslinking ink and inkjet recording method
Patent number
8,727,522
Issue date
May 20, 2014
Ricoh Company, Ltd.
Tsutomu Maekawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ultraviolet crosslinking inkjet ink, ink cartridge containing same,...
Patent number
8,708,475
Issue date
Apr 29, 2014
Ricoh Company, Ltd.
Tomoko Hasegawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Photopolymerizable inkjet black ink, and ink cartridge, inkjet prin...
Patent number
8,696,101
Issue date
Apr 15, 2014
Ricoh Company, Ltd.
Takao Hiraoka
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Ink jet recording method
Patent number
8,632,174
Issue date
Jan 21, 2014
Ricoh Company, Ltd.
Soh Noguchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink-jet printer head and a manufacturing method thereof
Patent number
7,325,902
Issue date
Feb 5, 2008
Ricoh Printing Systems, Ltd.
Kunihiro Tamahashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink jet recording method
Patent number
7,290,873
Issue date
Nov 6, 2007
Ricoh Printing Systems, Ltd.
Akemi Ouchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Three-dimensional laminating molding device
Patent number
7,104,773
Issue date
Sep 12, 2006
Ricoh Printing Systems, Ltd.
Tsutomu Maekawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Inkjet recording device that reuses refresh ink
Patent number
6,749,291
Issue date
Jun 15, 2004
Hitachi Printing Solutions, Ltd.
Kunio Satou
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink composition for inkjet recording and inkjet recording process
Patent number
6,641,652
Issue date
Nov 4, 2003
Hitachi Printing Solutions, Ltd.
Akemi Ouchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Solid ink printing master plate and method for preparing the same
Patent number
6,354,207
Issue date
Mar 12, 2002
Hitachi Koki Co., Ltd.
Tsutomu Maekawa
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Hot-melt ink compositions for ink-jet printing
Patent number
6,235,098
Issue date
May 22, 2001
Hitachi Koki Co., Ltd.
Tsutomu Maekawa
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Hot-melt ink composition for ink jet recording
Patent number
6,106,602
Issue date
Aug 22, 2000
Hitachi Koki Co., Ltd.
Akemi Ouchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
LIQUID COMPOSITION, DEVICE FOR APPLYING LIQUID COMPOSITION, IMAGE F...
Publication number
20200399495
Publication date
Dec 24, 2020
Dongsik JANG
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING METHOD AND IMAGE FORMING APPARATUS
Publication number
20190284412
Publication date
Sep 19, 2019
Tsutomu MAEKAWA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
INK AND PROCESSING LIQUID SET, IMAGE FORMING METHOD, AND IMAGE FORM...
Publication number
20190283479
Publication date
Sep 19, 2019
Takashi TAMAI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PRINTING METHOD AND SET OF PROCESSING FLUID AND INK
Publication number
20180265728
Publication date
Sep 20, 2018
Atsufumi Hanazawa
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
INK, INK SET, AND INKJET RECORDING DEVICE
Publication number
20170247556
Publication date
Aug 31, 2017
Yuuki YOKOHAMA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK, INK CARTRIDGE, INKJET RECORDING METHOD, INKJET RECORDING APPAR...
Publication number
20160272828
Publication date
Sep 22, 2016
Yukiko TAKAMURA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND RECORDED MATTER
Publication number
20150283828
Publication date
Oct 8, 2015
Shosuke Aoai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INKJET RECORDING METHOD AND INKJET RECORDING DEVICE
Publication number
20150174920
Publication date
Jun 25, 2015
RICOH COMPANY, LTD.
Michihiko Namba
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PRE-TREATMENT LIQUID AND IMAGE FORMING METHOD
Publication number
20140253631
Publication date
Sep 11, 2014
RICOH COMPANY, LTD.
Michihiko Namba
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INKJET RECORDING METHOD, INKJET RECORDING DEVICE, AND INK RECORDED...
Publication number
20130307912
Publication date
Nov 21, 2013
Kiminori MASUDA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
METHOD OF PRODUCING FILM BY INKJET PROCESS, AND FILM
Publication number
20130065024
Publication date
Mar 14, 2013
Tamotsu Aruga
B05 - SPRAYING OR ATOMISING IN GENERAL APPLYING LIQUIDS OR OTHER FLUENT MATER...
Information
Patent Application
INK JET RECORDING METHOD, INK JET RECORDING APPARATUS, AND INK JET...
Publication number
20120242768
Publication date
Sep 27, 2012
Shin-ya SENO
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
PHOTOPOLYMERIZABLE INKJET BLACK INK, AND INK CARTRIDGE, INKJET PRIN...
Publication number
20120200648
Publication date
Aug 9, 2012
Takao HIRAOKA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ULTRAVIOLET CROSSLINKING INK AND INKJET RECORDING METHOD
Publication number
20120176456
Publication date
Jul 12, 2012
RICOH COMPANY, LTD.,
Tsutomu MAEKAWA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ULTRAVIOLET CROSSLINKING INKJET INK, INK CARTRIDGE CONTAINING SAME,...
Publication number
20120147103
Publication date
Jun 14, 2012
Tomoko HASEGAWA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
INK JET RECORDING METHOD
Publication number
20120086762
Publication date
Apr 12, 2012
RICOH COMPANY, LTD.
Soh NOGUCHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Ink jet recording method
Publication number
20050208233
Publication date
Sep 22, 2005
Ricoh Printing Systems, Ltd.
Akemi Ouchi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Ink-jet printer head and a manufacturing method thereof
Publication number
20050088485
Publication date
Apr 28, 2005
Kunihiro Tamahashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Support material for three-dimensional laminating molding
Publication number
20050053798
Publication date
Mar 10, 2005
Tsutomu Maekawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Three-dimensional laminating molding device
Publication number
20040175451
Publication date
Sep 9, 2004
Tsutomu Maekawa
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Inkjet recording device that reuses refresh ink
Publication number
20030189625
Publication date
Oct 9, 2003
Kunio Satou
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Ink jet printer and ink composition therefor
Publication number
20020171725
Publication date
Nov 21, 2002
Akemi Ouchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
Ink composition for inkjet recording and inkjet recording process
Publication number
20010045175
Publication date
Nov 29, 2001
Akemi Ouchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...