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Tetsuya Kagawa
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Ebina, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Data communication apparatus and method
Patent number
7,616,350
Issue date
Nov 10, 2009
Ricoh Company, Ltd.
Kazuhiro Satoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network facsimile device
Patent number
7,403,311
Issue date
Jul 22, 2008
Ricoh Company, Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Network communication terminal apparatus with capability of outputt...
Patent number
7,290,177
Issue date
Oct 30, 2007
Ricoh Company, Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color facsimile device capable of transmitting color image informat...
Patent number
7,289,245
Issue date
Oct 30, 2007
Ricoh Company, Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method of determining whether registration information to be erased...
Patent number
7,187,463
Issue date
Mar 6, 2007
Ricoh Company, Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Communication terminal apparatus of determining a communication spe...
Patent number
6,574,012
Issue date
Jun 3, 2003
Ricoh Company, Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile apparatus and communication method therefor
Patent number
6,222,645
Issue date
Apr 24, 2001
Ricoh Company, Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile apparatus and method
Patent number
6,160,637
Issue date
Dec 12, 2000
Ricoh Company, Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile apparatus, facsimile method, and facsimile system includi...
Patent number
5,995,239
Issue date
Nov 30, 1999
Ricoh Company, Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile device and communication control method thereof
Patent number
5,608,545
Issue date
Mar 4, 1997
Ricoh Company, Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Externally attached handset of an end terminal used for mobile comm...
Patent number
5,452,474
Issue date
Sep 19, 1995
Ricoh Company, Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
. Data communication apparatus and method
Publication number
20030081263
Publication date
May 1, 2003
Kazuhiro Satoh
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Color facsimile device capable of transmitting color image informat...
Publication number
20020093698
Publication date
Jul 18, 2002
Ricoh Company Ltd.
Tetsuya Kagawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE