Tetsuya Kawaguchi

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Kanagawa, JP

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Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and method of controlling energy saving mode
- Patent number 7,580,651
- Issue date Aug 25, 2009
- Ricoh Company, Ltd.
- Yoshiyuki Namizuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for managing communication information collect...
- Patent number 6,823,367
- Issue date Nov 23, 2004
- Ricoh Company, Ltd.
- Naoki Wakasugi
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Communications data terminal capable of performing a plurality of c...
- Patent number 6,163,601
- Issue date Dec 19, 2000
- Ricoh Company, Ltd.
- Tetsuya Kawaguchi
- 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
Image communication system having a function for shortening the pre...
- Patent number 5,303,066
- Issue date Apr 12, 1994
- Ricoh Company, Ltd.
- Tetsuya Kawaguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Image forming apparatus and method of controlling energy saving mode
- Publication number 20050271410
- Publication date Dec 8, 2005
- Yoshiyuki Namizuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Image forming apparatus and method of making function settings thereto
- Publication number 20050260009
- Publication date Nov 24, 2005
- Yoshiyuki Namizuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE