Ryosuke FUJIWARA

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San Jose, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Block acknowledgement for wireless communication methods, apparatus...
- Patent number 8,755,403
- Issue date Jun 17, 2014
- Hitachi, Ltd.
- Marzieh Veyseh
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems, methods and apparatuses for wireless communication
- Patent number 8,416,799
- Issue date Apr 9, 2013
- Hitachi, Ltd.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Adaptive frequency hopping in time-slotted based wireless network
- Patent number 8,363,693
- Issue date Jan 29, 2013
- Hitachi, Ltd.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Wireless sensor-network system, sensing terminal node, and base sta...
- Patent number 8,289,992
- Issue date Oct 16, 2012
- Hitachi, Ltd.
- Ryosuke Fujiwara
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BLOCK ACKNOWLEDGEMENT FOR WIRELESS COMMUNICATION METHODS, APPARATU...
- Publication number 20130114622
- Publication date May 9, 2013
- Hitachi, Ltd
- Marzieh VEYSEH
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS, METHODS AND APPARATUSES FOR WIRELESS COMMUNICATION
- Publication number 20120281545
- Publication date Nov 8, 2012
- Hitachi, Ltd
- Ryosuke FUJIWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
ADAPTIVE FREQUENCY HOPPING IN TIME-SLOTTED BASED WIRELESS NETWORK
- Publication number 20110255570
- Publication date Oct 20, 2011
- Hitachi, Ltd
- Ryosuke FUJIWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS SENSOR-NETWORK SYSTEM, SENSING TERMINAL NODE, AND BASE STA...
- Publication number 20100103878
- Publication date Apr 29, 2010
- Ryosuke FUJIWARA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE