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Takanori Tsuyuki
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Liquid containing bag, liquid cartridge, image forming device, and...
Patent number
7,814,732
Issue date
Oct 19, 2010
Ricoh Company, Ltd.
Takanori Tsuyuki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Ink bag, ink cartridge and ink-jet recording apparatus, ink filling...
Patent number
7,287,843
Issue date
Oct 30, 2007
Ricoh Company, Ltd.
Masakazu Muranaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Liquid containing bag, liquid cartridge, image forming device and s...
Patent number
7,222,948
Issue date
May 29, 2007
Ricoh Company, Ltd.
Takanori Tsuyuki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
INK MIXING DEVICE, INK MANUFACTURING APPARATUS, METHOD FOR WASHING...
Patent number
6,863,386
Issue date
Mar 8, 2005
Ricoh Company Limited
Shigeo Hatada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image recording method image recording apparatus and image recordin...
Patent number
6,261,349
Issue date
Jul 17, 2001
Ricoh Company, Ltd.
Kiyofumi Nagai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Aqueous ink compositions and ink-jet printing method using the same
Patent number
6,231,652
Issue date
May 15, 2001
Ricoh Company, Ltd.
Masayuki Koyano
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Set of color ink compositions for ink-jet printing and method of fo...
Patent number
6,120,589
Issue date
Sep 19, 2000
Ricoh Company, Ltd.
Akiko Bannai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Image recording method, image recording apparatus and image recordi...
Patent number
5,993,524
Issue date
Nov 30, 1999
Ricoh Company, Ltd.
Kiyofumi Nagai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Aqueous ink composition and ink-jet printing method using the same
Patent number
5,972,082
Issue date
Oct 26, 1999
Ricoh Company, Ltd.
Masayuki Koyano
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Recording ink composition and recording method using the same
Patent number
5,882,390
Issue date
Mar 16, 1999
Ricoh Company, Ltd.
Kiyofumi Nagai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Recording ink composition and recording method using the same
Patent number
5,879,439
Issue date
Mar 9, 1999
Ricoh Company, Ltd.
Kiyofumi Nagai
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Patents Applications
last 30 patents
Information
Patent Application
LIQUID CONTAINING BAG, LIQUID CARTRIDGE, IMAGE FORMING DEVICE, AND...
Publication number
20070176986
Publication date
Aug 2, 2007
Takanori Tsuyuki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Ink bag, ink cartridge and ink-jet recording apparatus, ink filling...
Publication number
20050157109
Publication date
Jul 21, 2005
Masakazu Muranaka
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Liquid containing bag, liquid cartridge, image forming device and s...
Publication number
20040263587
Publication date
Dec 30, 2004
Takanori Tsuyuki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Ink mixing device, ink manufacturing apparatus, method for washing...
Publication number
20040066432
Publication date
Apr 8, 2004
Shigeo Hatada
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS