Koji Wakayama

Person

Kokubunji, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Network system and communication log analyzer
- Patent number 9,532,291
- Issue date Dec 27, 2016
- Hitachi, Ltd.
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Communication system
- Patent number 9,319,910
- Issue date Apr 19, 2016
- Hitachi, Ltd.
- Yusuke Shomura
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
VPN composing method, interwork router, packet communication method...
- Patent number 9,124,531
- Issue date Sep 1, 2015
- Hitachi, Ltd.
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Gateway for interconnecting a wireless access function with a netwo...
- Patent number 9,019,969
- Issue date Apr 28, 2015
- Hitachi Kokusai Electric Inc.
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network system and communication log analyzer
- Patent number 8,942,735
- Issue date Jan 27, 2015
- Hitachi, Ltd.
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Handover management apparatus, base station, and handover managemen...
- Patent number 8,923,866
- Issue date Dec 30, 2014
- Hitachi, Ltd.
- Ryouichi Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical access system, optical switching unit and optical line term...
- Patent number 8,401,384
- Issue date Mar 19, 2013
- Hitachi, Ltd.
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical access system and optical line terminal
- Patent number 8,380,065
- Issue date Feb 19, 2013
- Hitachi, Ltd.
- Michitaka Okuno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cognitive wireless communication system
- Patent number 8,219,131
- Issue date Jul 10, 2012
- Hitachi, Ltd.
- Ryouji Yamaoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet communicating apparatus
- Patent number 8,218,544
- Issue date Jul 10, 2012
- Hitachi, Ltd.
- Takashi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet switching apparatus
- Patent number 8,077,719
- Issue date Dec 13, 2011
- Hitachi, Ltd.
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Label switching type of packet forwarding apparatus
- Patent number 8,014,420
- Issue date Sep 6, 2011
- Hitachi, Ltd.
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
VPN composing method, interwork router, packet communication method...
- Patent number 7,983,281
- Issue date Jul 19, 2011
- Hitachi, Ltd.
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
VPN composing method, interwork router, packet communication method...
- Patent number 7,881,311
- Issue date Feb 1, 2011
- Hitachi, Ltd.
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable length packet communication device
- Patent number 7,869,441
- Issue date Jan 11, 2011
- Hitachi, Ltd.
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet communicating apparatus
- Patent number 7,843,909
- Issue date Nov 30, 2010
- Hitachi, Ltd.
- Takashi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of transmitting packets and apparatus of transmitting packets
- Patent number 7,706,271
- Issue date Apr 27, 2010
- Hitachi, Ltd.
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for interworking between MPLS network and non-...
- Patent number 7,633,954
- Issue date Dec 15, 2009
- Hitachi, Ltd.
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Label switching type of packet forwarding apparatus
- Patent number 7,586,947
- Issue date Sep 8, 2009
- Hitachi, Ltd.
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
IP packet communication apparatus
- Patent number 7,518,998
- Issue date Apr 14, 2009
- Hitachi, Ltd.
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet communicating apparatus
- Patent number 7,403,477
- Issue date Jul 22, 2008
- Hitachi, Ltd.
- Takashi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet communication device
- Patent number 7,298,752
- Issue date Nov 20, 2007
- Hitachi, Ltd.
- Norihiko Moriwaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet switching apparatus
- Patent number 7,173,932
- Issue date Feb 6, 2007
- Hitachi, Ltd.
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Apparatus and method for interworking between MPLS network and non-...
- Patent number 7,079,544
- Issue date Jul 18, 2006
- Hitachi, Ltd.
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Router apparatus using ATM switch
- Patent number 6,980,553
- Issue date Dec 27, 2005
- Hitachi, Ltd.
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for detecting faults in IP packet communication
- Patent number 6,907,006
- Issue date Jun 14, 2005
- Hitachi, Ltd.
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Variable length packet communication device
- Patent number 6,836,479
- Issue date Dec 28, 2004
- Hitachi, Ltd.
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Label switching type of packet forwarding apparatus
- Patent number 6,771,662
- Issue date Aug 3, 2004
- Hitachi, Ltd.
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
VPN composing method, interwork router, packet communication method...
- Patent number 6,633,571
- Issue date Oct 14, 2003
- Hitachi, Ltd.
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Router apparatus using ATM switch
- Patent number 6,424,662
- Issue date Jul 23, 2002
- Hitachi, Ltd.
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
COMMUNICATION APPARATUS, CONTROL APPARATUS, AND COMMUNICATION SYSTEM
- Publication number 20170026278
- Publication date Jan 26, 2017
- Hitachi Metals, Ltd.
- Satoshi TSUTSUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
NETWORK CONTROL DEVICE AND NETWORK SETTING SYSTEM
- Publication number 20160006605
- Publication date Jan 7, 2016
- Hitachi Metals, Ltd.
- Satoshi TSUTSUMI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network System and Communication Log Analyzer
- Publication number 20150094101
- Publication date Apr 2, 2015
- Hitachi, Ltd
- Koji WAKAYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
WIRELESS COMMUNICATION METHOD, TRACKING ERROR MANAGEMENT DEVICE, AN...
- Publication number 20140094171
- Publication date Apr 3, 2014
- Hitachi, Ltd
- Ryouichi TANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
COMMUNICATION SYSTEM
- Publication number 20140064136
- Publication date Mar 6, 2014
- Hitachi, Ltd
- Yusuke SHOMURA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VPN COMPOSING METHOD, INTERWORK ROUTER, PACKET COMMUNICATION METHOD...
- Publication number 20140050226
- Publication date Feb 20, 2014
- Hitachi, Ltd
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
HANDOVER MANAGEMENT APPARATUS, BASE STATION, AND HANDOVER MANAGEMEN...
- Publication number 20130244658
- Publication date Sep 19, 2013
- Hitachi, Ltd
- Ryouichi TANAKA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network System and Communication Log Analyzer
- Publication number 20120254409
- Publication date Oct 4, 2012
- Hitachi, Ltd
- Koji WAKAYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LABEL SWITCHING TYPE OF PACKET FORWARDING APPARATUS
- Publication number 20110305242
- Publication date Dec 15, 2011
- Hitachi, Ltd
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VPN COMPOSING METHOD, INTERWORK ROUTER, PACKET COMMUNICATION METHOD...
- Publication number 20110268129
- Publication date Nov 3, 2011
- Hitachi, Ltd
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet communicating apparatus
- Publication number 20110038630
- Publication date Feb 17, 2011
- Hitachi, Ltd.
- Takashi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL ACCESS SYSTEM AND OPTICAL LINE TERMINAL
- Publication number 20100104286
- Publication date Apr 29, 2010
- Hitachi, Ltd
- Michitaka OKUNO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
OPTICAL ACCESS SYSTEM, OPTICAL SWITCHING UNIT AND OPTICAL LINE TERM...
- Publication number 20100021160
- Publication date Jan 28, 2010
- Hitachi, Ltd
- Koji WAKAYAMA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Gateway
- Publication number 20100014532
- Publication date Jan 21, 2010
- Hitachi Kokusai Electric Inc.
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
LABEL SWITCHING TYPE OF PACKET FORWARDING APPARATUS
- Publication number 20090323694
- Publication date Dec 31, 2009
- Hitachi, Ltd
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network system, control method, and gateway
- Publication number 20090034479
- Publication date Feb 5, 2009
- Hitachi Kokusai Electric Inc.
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet communicating apparatus
- Publication number 20080285972
- Publication date Nov 20, 2008
- Hitachi, Ltd.
- Takashi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Cognitive wireless communication system
- Publication number 20080182605
- Publication date Jul 31, 2008
- Ryouji Yamaoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VPN COMPOSING METHOD, INTERWORK ROUTER, PACKET COMMUNICATION METHOD...
- Publication number 20070258457
- Publication date Nov 8, 2007
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet switching apparatus
- Publication number 20070110060
- Publication date May 17, 2007
- Hitachi, Ltd.
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Apparatus and method for interworking between MPLS network and non-...
- Publication number 20060034292
- Publication date Feb 16, 2006
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
IP packet communication apparatus
- Publication number 20050185577
- Publication date Aug 25, 2005
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Variable length packet communication device
- Publication number 20050078673
- Publication date Apr 14, 2005
- Hitachi, Ltd.
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Router apparatus using ATM switch
- Publication number 20050008025
- Publication date Jan 13, 2005
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Label switching type of packet forwarding apparatus
- Publication number 20040264505
- Publication date Dec 30, 2004
- Kazuho Miki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method of transmitting packets and apparatus of transmitting packets
- Publication number 20040136368
- Publication date Jul 15, 2004
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet communication device
- Publication number 20040071142
- Publication date Apr 15, 2004
- Hitachi, Ltd.
- Norihiko Moriwaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet communicating apparatus
- Publication number 20040062256
- Publication date Apr 1, 2004
- Hitachi, Ltd.
- Takashi Takeuchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
VPN composing method, interwork router, packet communication method...
- Publication number 20040008706
- Publication date Jan 15, 2004
- Kenichi Sakamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Access node apparatus and method for internet using condition analysis
- Publication number 20030172143
- Publication date Sep 11, 2003
- Koji Wakayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Koji Wakayama

Person

Patents Grantslast 30 patents

Network system and communication log analyzer

Communication system

VPN composing method, interwork router, packet communication method...

Gateway for interconnecting a wireless access function with a netwo...

Network system and communication log analyzer

Handover management apparatus, base station, and handover managemen...

Optical access system, optical switching unit and optical line term...

Optical access system and optical line terminal

Cognitive wireless communication system

Packet communicating apparatus

Packet switching apparatus

Label switching type of packet forwarding apparatus

VPN composing method, interwork router, packet communication method...

VPN composing method, interwork router, packet communication method...

Variable length packet communication device

Packet communicating apparatus

Method of transmitting packets and apparatus of transmitting packets

Apparatus and method for interworking between MPLS network and non-...

Label switching type of packet forwarding apparatus

IP packet communication apparatus

Packet communicating apparatus

Packet communication device

Packet switching apparatus

Apparatus and method for interworking between MPLS network and non-...

Router apparatus using ATM switch

Method and apparatus for detecting faults in IP packet communication

Variable length packet communication device

Label switching type of packet forwarding apparatus

VPN composing method, interwork router, packet communication method...

Router apparatus using ATM switch

Patents Applicationslast 30 patents

COMMUNICATION APPARATUS, CONTROL APPARATUS, AND COMMUNICATION SYSTEM

NETWORK CONTROL DEVICE AND NETWORK SETTING SYSTEM

Network System and Communication Log Analyzer

WIRELESS COMMUNICATION METHOD, TRACKING ERROR MANAGEMENT DEVICE, AN...

COMMUNICATION SYSTEM

VPN COMPOSING METHOD, INTERWORK ROUTER, PACKET COMMUNICATION METHOD...

HANDOVER MANAGEMENT APPARATUS, BASE STATION, AND HANDOVER MANAGEMEN...

Network System and Communication Log Analyzer

LABEL SWITCHING TYPE OF PACKET FORWARDING APPARATUS

VPN COMPOSING METHOD, INTERWORK ROUTER, PACKET COMMUNICATION METHOD...

Packet communicating apparatus

OPTICAL ACCESS SYSTEM AND OPTICAL LINE TERMINAL

OPTICAL ACCESS SYSTEM, OPTICAL SWITCHING UNIT AND OPTICAL LINE TERM...

Gateway

LABEL SWITCHING TYPE OF PACKET FORWARDING APPARATUS

Network system, control method, and gateway

Packet communicating apparatus

Cognitive wireless communication system

VPN COMPOSING METHOD, INTERWORK ROUTER, PACKET COMMUNICATION METHOD...

Packet switching apparatus

Apparatus and method for interworking between MPLS network and non-...

IP packet communication apparatus

Variable length packet communication device

Router apparatus using ATM switch

Label switching type of packet forwarding apparatus

Method of transmitting packets and apparatus of transmitting packets

Packet communication device

Packet communicating apparatus

VPN composing method, interwork router, packet communication method...

Access node apparatus and method for internet using condition analysis