Membership
Tour
Register
Log in
Masahiko Katoh
Follow
Person
Sagamihara, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Manufacturing method for a head-stack assembly, apparatus for inter...
Patent number
8,699,187
Issue date
Apr 15, 2014
HGST Netherlands B.V.
Tetsuya Nakamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Data erasure apparatus and data erasure method
Patent number
7,652,837
Issue date
Jan 26, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Mitsuru Kitamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Data erasure apparatus and data erasure method
Patent number
7,646,579
Issue date
Jan 12, 2010
Hitachi Global Storage Technologies Netherlands B.V.
Mitsuru Kitamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Cleaning unit, process cartridge, and image-forming apparatus
Patent number
7,415,236
Issue date
Aug 19, 2008
Ricoh Company, Ltd.
Tohru Nakano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Cleaning device and method, image forming apparatus, and process ca...
Patent number
7,123,872
Issue date
Oct 17, 2006
Ricoh Company, Ltd.
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical scanning device and image forming apparatus
Patent number
6,933,959
Issue date
Aug 23, 2005
Ricoh Company, Ltd.
Akira Kojima
G02 - OPTICS
Information
Patent Grant
Image forming apparatus with a toner mounter having a vibration app...
Patent number
6,215,974
Issue date
Apr 10, 2001
Ricoh Company, Ltd.
Masahiko Katoh
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
MANUFACTURING METHOD FOR A HEAD-STACK ASSEMBLY, APPARATUS FOR INTER...
Publication number
20110109996
Publication date
May 12, 2011
Tetsuya Nakamura
G11 - INFORMATION STORAGE
Information
Patent Application
Data erasure apparatus and data erasure method
Publication number
20070014044
Publication date
Jan 18, 2007
Hitachi Global Storage Technologies Netherlands B.V.
Mitsuru Kitamura
G11 - INFORMATION STORAGE
Information
Patent Application
Data erasure apparatus, data erasure method and method for writing...
Publication number
20050243461
Publication date
Nov 3, 2005
Hitachi Global Storage Technologies Netherlands B.V.
Mitsuru Kitamura
G11 - INFORMATION STORAGE
Information
Patent Application
Cleaning unit, process cartridge, and image-forming apparatus
Publication number
20040197122
Publication date
Oct 7, 2004
Tohru Nakano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Cleaning device and method, image forming apparatus, and process ca...
Publication number
20040105710
Publication date
Jun 3, 2004
Masahiko Shakuto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY