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Shinichi Kuramoto
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Shizuoka-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus
Patent number
11,181,854
Issue date
Nov 23, 2021
Ricoh Company, Ltd.
Kaori Hemmi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier and manufacturing method thereof, developer, process cartri...
Patent number
8,178,273
Issue date
May 15, 2012
Ricoh Company, Ltd.
Ryota Inoue
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing electrostatic charge image, image forming meth...
Patent number
8,034,521
Issue date
Oct 11, 2011
Ricoh Company, Ltd.
Shinichi Kuramoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for developing latent electrostatic image, method for produci...
Patent number
8,029,961
Issue date
Oct 4, 2011
Ricoh Company, Ltd.
Shinichi Kuramoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color toners and image forming method using the color toners
Patent number
7,232,632
Issue date
Jun 19, 2007
Ricoh Company, Ltd.
Tomio Kondou
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for electrophotography, and image fixing process, image formi...
Patent number
7,217,485
Issue date
May 15, 2007
Ricoh Company, Ltd.
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner for forming image, method for developing electrostatic latent...
Patent number
7,163,774
Issue date
Jan 16, 2007
Ricoh Company Limited
Keiko Shiraishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation method, electrophotographic toners, and printed matter
Patent number
6,737,210
Issue date
May 18, 2004
Ricoh Company, Ltd.
Osamu Uchinokura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation method, electrophotographic toners, and printed matter
Patent number
6,432,589
Issue date
Aug 13, 2002
Ricoh Company, Ltd.
Osamu Uchinokura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation process and developer used therein
Patent number
6,416,914
Issue date
Jul 9, 2002
Fujitsu Limited
Masae Nakamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner, and image forming method and apparatus u...
Patent number
6,403,275
Issue date
Jun 11, 2002
Ricoh Company, Ltd.
Shinichi Kuramoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for removing image forming substance from imag...
Patent number
RE37645
Issue date
Apr 9, 2002
Ricoh Company, Ltd.
Yasuhiro Takahashi
399 - Electrophotography
Information
Patent Grant
Full-color electrophotographic image formation method, color toners...
Patent number
6,274,282
Issue date
Aug 14, 2001
Ricoh Company, Ltd.
Shohichi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Full-color electrophotographic image formation method, color toners...
Patent number
6,268,098
Issue date
Jul 31, 2001
Ricoh Company, Ltd.
Shohichi Sugimoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic toner and image forming method using the toner
Patent number
6,255,028
Issue date
Jul 3, 2001
Ricoh Company, Ltd.
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation method using color toners
Patent number
6,248,488
Issue date
Jun 19, 2001
Ricoh Company, Ltd.
Nobutaka Kinoshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for regenerating image holding member
Patent number
RE36963
Issue date
Nov 21, 2000
Ricoh Company, Ltd.
Kazuhiro Ando
430 - Radiation imagery chemistry: process, composition, or product thereof
Information
Patent Grant
Method and apparatus for removing image forming substance from imag...
Patent number
6,095,164
Issue date
Aug 1, 2000
Ricoh Company, Ltd.
Masatoshi Saitoh
B08 - CLEANING
Information
Patent Grant
Method for repeatedly using image holding member
Patent number
6,047,758
Issue date
Apr 11, 2000
Ricoh Company, Ltd.
Shinichi Kuramoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Dry toner for electrophotography
Patent number
5,998,073
Issue date
Dec 7, 1999
Ricoh Company, Ltd.
Shinichi Kuramoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Dry developer for developing electrostatic latent image
Patent number
5,994,016
Issue date
Nov 30, 1999
Ricoh Company, Ltd.
Shinichi Kuramoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image forming method and toner composition used...
Patent number
5,851,716
Issue date
Dec 22, 1998
Ricoh Company, Ltd.
Shinichi Kuramoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid developer for electrostatic electrophotography
Patent number
5,759,733
Issue date
Jun 2, 1998
Ricoh Company, Ltd.
Kazuo Tsubuko
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for repeatedly using image holding member
Patent number
5,753,400
Issue date
May 19, 1998
Ricoh Company, Ltd.
Shinichi Kuramoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method of forming colored image by use of inorganic toner, inorgani...
Patent number
5,750,299
Issue date
May 12, 1998
Ricoh Company, Ltd.
Kouchi Ohshima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for regenerating image holding member
Patent number
5,605,777
Issue date
Feb 25, 1997
Ricoh Company, Ltd.
Kazuhiro Ando
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and apparatus for removing image forming substance from imag...
Patent number
5,574,538
Issue date
Nov 12, 1996
Ricoh Company, Ltd.
Yasuhiro Takahashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electrophotographic dry toner
Patent number
5,554,478
Issue date
Sep 10, 1996
Ricoh Company, Ltd.
Shinichi Kuramoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method for using image support regeneratively and tool for forming...
Patent number
5,547,793
Issue date
Aug 20, 1996
Ricoh Company, Ltd.
Shinichi Kuramoto
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Toner and method of developing
Patent number
5,474,869
Issue date
Dec 12, 1995
Ricoh Company, Ltd.
Masami Tomita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE FORMING APPARATUS
Publication number
20210088948
Publication date
Mar 25, 2021
RICOH COMPANY, LTD.
Kaori HEMMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER FOR DEVELOPING ELECTROSTATIC CHARGE IMAGE, IMAGE FORMING METH...
Publication number
20090170019
Publication date
Jul 2, 2009
Shinichi Kuramoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER FOR DEVELOPING LATENT ELECTROSTATIC IMAGE, METHOD FOR PRODUCI...
Publication number
20090170018
Publication date
Jul 2, 2009
Shinichi KURAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, AND IMAGE FORMING APPARATUS
Publication number
20080227011
Publication date
Sep 18, 2008
Shinichi KURAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER AND MANUFACTURING METHOD THEREOF, DEVELOPER, PROCESS CARTRI...
Publication number
20080063972
Publication date
Mar 13, 2008
Ryota INOUE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for electrophotography, and image fixing process, image formi...
Publication number
20040234879
Publication date
Nov 25, 2004
Kumi Hasegawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner for forming image, method for developing electrostatic latent...
Publication number
20040157147
Publication date
Aug 12, 2004
Keiko Shiraishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Color toners and image forming method using the color toners
Publication number
20030190538
Publication date
Oct 9, 2003
RICOH COMPANY, LTD.
Shinichi Kuramoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image formation method, electrophotographic toners, and printed matter
Publication number
20030087169
Publication date
May 8, 2003
Ricoh Company, Ltd.
Osamu Uchinokura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
COLOR TONERS AND IMAGE FORMING METHOD USING THE COLOR TONERS
Publication number
20020192580
Publication date
Dec 19, 2002
SHINICHI KURAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Color toners and image forming method using the color toners
Publication number
20020006564
Publication date
Jan 17, 2002
Ricoh Company, Ltd.
Tomio Kondou
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY