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Takashi Kitamura
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Ichikawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Reversible thermosensitive recording medium, label, and image formi...
Patent number
6,818,591
Issue date
Nov 16, 2004
Ricoh Company, Ltd.
Satoshi Arai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Reversible thermosensitive recording medium and image forming and e...
Patent number
6,172,001
Issue date
Jan 9, 2001
Ricoh Company, Ltd.
Yoshihiko Hotta
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Reversible thermosensitive recording medium and image forming and e...
Patent number
5,948,727
Issue date
Sep 7, 1999
Ricoh Company, Ltd.
Yoshihiko Hotta
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Image recording and erasing method
Patent number
5,619,243
Issue date
Apr 8, 1997
Ricoh Company, Ltd.
Yoshihiko Hotta
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Reversible thermosensitive recording medium, label, and image formi...
Publication number
20030114304
Publication date
Jun 19, 2003
Satoshi Arai
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS