Takuji Kawai

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Ebina, JP

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Patents Grantslast 30 patents

Information Patent Grant
Communication system and communication control device
- Patent number 9,088,526
- Issue date Jul 21, 2015
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Telecommunications system and server apparatus
- Patent number 8,848,522
- Issue date Sep 30, 2014
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus having packet allocation function and packet allocation m...
- Patent number 8,565,087
- Issue date Oct 22, 2013
- Hitachi, Ltd.
- Kumi Koitabashi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system and communication control device
- Patent number 8,526,437
- Issue date Sep 3, 2013
- Hitachi, Ltd.
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Communication System and Communication Control Device
- Publication number 20140016641
- Publication date Jan 16, 2014
- Hitachi, Ltd
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Communication System and Communication Control Device
- Publication number 20110255539
- Publication date Oct 20, 2011
- Hitachi, Ltd
- Kazuma Yumoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
APPARATUS HAVING PACKET ALLOCATION FUNCTION AND PACKET ALLOCATION M...
- Publication number 20110110248
- Publication date May 12, 2011
- Kumi KOITABASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TELECOMMUNICATIONS SYSTEM AND SERVER APPARATUS
- Publication number 20090316600
- Publication date Dec 24, 2009
- Kazuma YUMOTO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE