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Kiyofumi Usui
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Nagano-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Ink cartridge for ink jet printer and method of charging ink into s...
Patent number
6,854,835
Issue date
Feb 15, 2005
Seiko Epson Corporation
Takao Kobayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Judgement on compatibility between ink cartridges and printing appa...
Patent number
6,655,779
Issue date
Dec 2, 2003
Seiko Epson Corporation
Kiyofumi Usui
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink jet recording apparatus and method for replenishing ink in the...
Patent number
6,247,803
Issue date
Jun 19, 2001
Seiko Epson Corporation
Munehide Kanaya
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ink cartridge for ink jet printer and method of charging ink into s...
Patent number
6,238,042
Issue date
May 29, 2001
Seiko Epson Corporation
Takao Kobayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Ink cartridge for ink jet printer and method of charging ink into s...
Publication number
20030063168
Publication date
Apr 3, 2003
Takao Kobayashi
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Judgement on compatibility between ink cartridges and printing appa...
Publication number
20020075344
Publication date
Jun 20, 2002
SEIKO EPSON CORPORATION
Kiyofumi Usui
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS