Atsushi NAKAFUJI

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication management system, communication terminal, communicat...
- Patent number 10,021,345
- Issue date Jul 10, 2018
- Ricoh Company, Ltd.
- Takeshi Horiuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication management system, communication terminal, communicat...
- Patent number 9,706,164
- Issue date Jul 11, 2017
- Ricoh Company, Ltd.
- Hideki Shiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Management device, communication system, and storage medium
- Patent number 9,131,104
- Issue date Sep 8, 2015
- Ricoh Company, Ltd.
- Atsushi Nakafuji
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION MANAGEMENT SYSTEM, COMMUNICATION TERMINAL, COMMUNICAT...
- Publication number 20160295163
- Publication date Oct 6, 2016
- Hideki SHIRO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION MANAGEMENT SYSTEM, COMMUNICATION TERMINAL, COMMUNICAT...
- Publication number 20160044278
- Publication date Feb 11, 2016
- Takeshi HORIUCHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
MANAGEMENT DEVICE, COMMUNICATION SYSTEM, AND STORAGE MEDIUM
- Publication number 20140267565
- Publication date Sep 18, 2014
- Atsushi NAKAFUJI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE