Ryuji Kayama

Follow

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Transmission system, transmission apparatus, and clock synchronizat...
- Patent number 9,344,266
- Issue date May 17, 2016
- Fujitsu Limited
- Ryuji Kayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Device for synchronizing between an active unit and a standby unit
- Patent number 7,778,160
- Issue date Aug 17, 2010
- Fujitsu Limited
- Takashi Kaiga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Plug-in card for optical transmission apparatus
- Patent number 7,639,702
- Issue date Dec 29, 2009
- Fujitsu Limited
- Hideki Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Power supply monitoring device
- Patent number 7,408,475
- Issue date Aug 5, 2008
- Fujitsu Limited
- Koichi Sugama
- G01 - MEASURING TESTING
Information Patent Grant
Traffic shaping device for ATM communication network
- Patent number 6,442,136
- Issue date Aug 27, 2002
- Fujitsu Limited
- Koichi Sugama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
TRANSMISSION SYSTEM, TRANSMISSION APPARATUS, AND CLOCK SYNCHRONIZAT...
- Publication number 20150280897
- Publication date Oct 1, 2015
- Fujitsu Limited
- RYUJI KAYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
TRANSMISSION DEVICE
- Publication number 20080037592
- Publication date Feb 14, 2008
- Fujitsu Limited
- Takashi Kaiga
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Plug-in card for optical transmission apparatus
- Publication number 20070263646
- Publication date Nov 15, 2007
- FUJITSU LIMITED
- Hideki Matsui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Power supply monitoring device
- Publication number 20070222630
- Publication date Sep 27, 2007
- FUJITSU LIMITED
- Koichi Sugama
- G01 - MEASURING TESTING
Information Patent Application
TRAFFIC SHAPING DEVICE FOR ATM COMMUNICATION NETWORK
- Publication number 20020075802
- Publication date Jun 20, 2002
- KOICHI SUGAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE