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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing laminar object and active energy ray curabl...
Patent number
11,241,821
Issue date
Feb 8, 2022
Ricoh Company, Ltd.
Manabu Arita
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Active energy ray curable composition, active energy ray curable in...
Patent number
10,723,898
Issue date
Jul 28, 2020
Ricoh Company, Ltd.
Mie Yoshino
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Active energy ray curable composition, active energy ray curable in...
Patent number
10,100,211
Issue date
Oct 16, 2018
Ricoh Company, Ltd.
Mie Yoshino
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Grant
Active energy ray curable composition, ink, inkjet ink, method for...
Patent number
9,815,993
Issue date
Nov 14, 2017
Ricoh Company, Ltd.
Shizuka Kohzuki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Active energy ray curable composition, stereoscopic modeling materi...
Patent number
9,790,381
Issue date
Oct 17, 2017
Ricoh Company, Ltd.
Manabu Arita
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Active energy ray-curable inkjet ink, ink container, and inkjet dis...
Patent number
9,493,662
Issue date
Nov 15, 2016
Ricoh Company, Ltd.
Shizuka Kohzuki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Active energy ray-curable ink, ink cartridge containing ink, image...
Patent number
9,303,173
Issue date
Apr 5, 2016
Ricoh Company, Ltd.
Mie Yoshino
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Active energy ray-curable inkjet ink, ink container, and inkjet dis...
Patent number
9,169,408
Issue date
Oct 27, 2015
Ricoh Company, Ltd.
Shizuka Kohzuki
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Active energy ray-curable ink, ink cartridge containing ink, image...
Patent number
9,051,481
Issue date
Jun 9, 2015
Ricoh Company, Ltd.
Mie Yoshino
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image forming apparatus and process cartridge
Patent number
8,185,017
Issue date
May 22, 2012
Ricoh Company, Ltd.
Masahide Yamashita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit using a developing liquid and image forming apparat...
Patent number
7,079,792
Issue date
Jul 18, 2006
Ricoh Company, Ltd.
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using a developing liquid
Patent number
7,039,343
Issue date
May 2, 2006
Ricoh Company, Ltd.
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid image formation apparatus and liquid developing device
Patent number
7,003,248
Issue date
Feb 21, 2006
Ricoh Company, Ltd.
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with adjustable removal and developing nips
Patent number
6,999,701
Issue date
Feb 14, 2006
Ricoh Company, Ltd.
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing liquid coating device, developing device including the s...
Patent number
6,987,941
Issue date
Jan 17, 2006
Ricoh Company, Ltd.
Noriyasu Takeuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method
Patent number
6,970,675
Issue date
Nov 29, 2005
Ricoh Company, Ltd.
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit using a developing liquid and image forming apparat...
Patent number
6,904,254
Issue date
Jun 7, 2005
Ricoh Company, Ltd.
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing liquid coating device, developing device including the s...
Patent number
6,868,246
Issue date
Mar 15, 2005
Ricoh Company, Ltd.
Noriyasu Takeuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using a developing liquid
Patent number
6,865,359
Issue date
Mar 8, 2005
Ricoh Company, Ltd.
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid image formation apparatus and liquid developing device
Patent number
6,829,460
Issue date
Dec 7, 2004
Ricoh Company, Ltd.
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using a developing liquid
Patent number
6,738,592
Issue date
May 18, 2004
Ricoh Company, Ltd.
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with adjustable removal and developing nips
Patent number
6,735,408
Issue date
May 11, 2004
Ricoh Company, Ltd.
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid image formation apparatus and liquid developing device
Patent number
6,640,073
Issue date
Oct 28, 2003
Ricoh Company, Ltd.
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device for developing latent image and an image forming...
Patent number
6,636,716
Issue date
Oct 21, 2003
Ricoh Company, Ltd.
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using a developing liquid, developing devic...
Patent number
6,501,932
Issue date
Dec 31, 2002
Ricoh Company, Ltd.
Makoto Obu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device using a developing liquid and image forming appar...
Patent number
6,466,757
Issue date
Oct 15, 2002
Ricoh Company, Ltd.
Masahiko Itaya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using a developing liquid, developing devic...
Patent number
6,405,008
Issue date
Jun 11, 2002
Ricoh Company, Ltd.
Makoto Obu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using wet type developing device
Patent number
6,108,508
Issue date
Aug 22, 2000
Ricoh Company, Ltd.
Noriyasu Takeuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus using a liquid development system
Patent number
6,038,421
Issue date
Mar 14, 2000
Ricoh Company, Ltd.
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for controlling density of liquid developing solution and...
Patent number
5,923,930
Issue date
Jul 13, 1999
Ricoh Company, Ltd.
Takeo Tsukamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
ACTIVE ENERGY RAY CURABLE COMPOSITION, STEREOSCOPIC MODELING MATERI...
Publication number
20200087535
Publication date
Mar 19, 2020
Hiroki KOBAYASHI
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ACTIVE ENERGY RAY CURABLE COMPOSITION, ACTIVE ENERGY RAY CURABLE IN...
Publication number
20190002716
Publication date
Jan 3, 2019
Mie YOSHINO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
METHOD OF MANUFACTURING LAMINAR OBJECT AND ACTIVE ENERGY RAY CURABL...
Publication number
20180333909
Publication date
Nov 22, 2018
Manabu ARITA
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
ACTIVE ENERGY RAY CURABLE COMPOSITION, INK, INKJET INK, METHOD FOR...
Publication number
20180016455
Publication date
Jan 18, 2018
Shizuka KOHZUKI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ACTIVE ENERGY RAY CURABLE COMPOSITION, INK, INKJET INK, METHOD FOR...
Publication number
20170058135
Publication date
Mar 2, 2017
Shizuka KOHZUKI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ACTIVE ENERGY RAY CURABLE COMPOSITION, ACTIVE ENERGY RAY CURABLE IN...
Publication number
20170015850
Publication date
Jan 19, 2017
Mie YOSHINO
B33 - ADDITIVE MANUFACTURING TECHNOLOGY
Information
Patent Application
ACTIVE ENERGY RAY CURABLE COMPOSITION, STEREOSCOPIC MODELING MATERI...
Publication number
20160347961
Publication date
Dec 1, 2016
Hiroki KOBAYASHI
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ACTIVE ENERGY RAY CURABLE COMPOSITION, STEREOSCOPIC MODELING MATERI...
Publication number
20160326387
Publication date
Nov 10, 2016
Manabu ARITA
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
ACTIVE ENERGY RAY-CURABLE INKJET INK, INK CONTAINER, AND INKJET DIS...
Publication number
20160009931
Publication date
Jan 14, 2016
Ricoh Company, Ltd.
Shizuka KOHZUKI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ACTIVE ENERGY RAY-CURABLE INK, INK CARTRIDGE CONTAINING INK, IMAGE...
Publication number
20150232675
Publication date
Aug 20, 2015
Mie Yoshino
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ACTIVE ENERGY RAY-CURABLE INKJET INK, INK CONTAINER, AND INKJET DIS...
Publication number
20150130878
Publication date
May 14, 2015
Shizuka KOHZUKI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ACTIVE ENERGY RAY-CURABLE INK, INK CARTRIDGE CONTAINING INK, IMAGE...
Publication number
20150077481
Publication date
Mar 19, 2015
Mie Yoshino
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
Publication number
20100111564
Publication date
May 6, 2010
RICOH COMPANY, LTD.
Masahide YAMASHITA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Fixing apparatus for nonheat fixing system, and image forming appar...
Publication number
20070098469
Publication date
May 3, 2007
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing unit using a developing liquid and image forming apparat...
Publication number
20050207791
Publication date
Sep 22, 2005
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus using a developing liquid
Publication number
20050147423
Publication date
Jul 7, 2005
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing liquid coating device, developing device including the s...
Publication number
20050147431
Publication date
Jul 7, 2005
Noriyasu Takeuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Liquid image formation apparatus and liquid developing device
Publication number
20050041997
Publication date
Feb 24, 2005
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image formation apparatus, liquid development apparatus and wet-typ...
Publication number
20040197116
Publication date
Oct 7, 2004
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus using a developing liquid
Publication number
20040190943
Publication date
Sep 30, 2004
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Liquid image formation apparatus and liquid developing device
Publication number
20040105702
Publication date
Jun 3, 2004
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing unit using a developing liquid and image forming apparat...
Publication number
20040071479
Publication date
Apr 15, 2004
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing liquid coating device, developing device including the s...
Publication number
20040005407
Publication date
Jan 8, 2004
Noriyasu Takeuchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus using a developing liquid
Publication number
20030059234
Publication date
Mar 27, 2003
Tsutomu Sasaki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image formation apparatus, liquid development apparatus and wet-typ...
Publication number
20020197083
Publication date
Dec 26, 2002
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Liquid image formation apparatus and liquid developing device
Publication number
20020098016
Publication date
Jul 25, 2002
Tsuneo Kurotori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus using a developing liquid, developing devic...
Publication number
20020076240
Publication date
Jun 20, 2002
Makoto Obu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing unit using a developing liquid and image forming apparat...
Publication number
20020021918
Publication date
Feb 21, 2002
RICOH COMPANY, LTD.
Mie Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device using a developing liquid and image forming appar...
Publication number
20010021323
Publication date
Sep 13, 2001
RICOH COMPANY, LTD.
Masahiko Itaya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY