Tatsuo Kanetake

Person

Saitama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Packet transfer unit
- Patent number 7,924,833
- Issue date Apr 12, 2011
- Hitachi, Ltd.
- Tatsuo Kanetake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Packet transfer unit
- Patent number 7,522,592
- Issue date Apr 21, 2009
- Hitachi, Ltd.
- Tatsuo Kanetake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Network routing apparatus
- Patent number 7,379,456
- Issue date May 27, 2008
- Hitachi, Ltd.
- Takayuki Muranaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical crossconnect apparatus and optical transmission system
- Patent number 7,272,314
- Issue date Sep 18, 2007
- Hitachi, Ltd.
- Yasuyuki Fukashiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical crossconnect apparatus and optical transmission system
- Patent number 6,813,445
- Issue date Nov 2, 2004
- Hitachi, Ltd.
- Yasuyuki Fukashiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical network
- Patent number 6,643,041
- Issue date Nov 4, 2003
- Hitachi, Ltd.
- Hiroki Ikeda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical crossconnect apparatus and optical transmission system
- Patent number 6,362,905
- Issue date Mar 26, 2002
- Hitachi, Ltd.
- Yasuyuki Fukashiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical cross-connect system and optical transmission system
- Patent number 6,317,230
- Issue date Nov 13, 2001
- Hitachi, Ltd.
- Shigeki Kitajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fault restoration control method and it's apparatus in a co...
- Patent number 6,304,346
- Issue date Oct 16, 2001
- Hitachi, Ltd.
- Yasushi Sawada
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Semiconductor optical functional device
- Patent number 5,710,847
- Issue date Jan 20, 1998
- Hitachi, Ltd.
- Hideaki Takano
- G02 - OPTICS
Information Patent Grant
Optical modulator depressing optical feedback and optical modulatin...
- Patent number 5,351,320
- Issue date Sep 27, 1994
- Hitachi, Ltd.
- Tatsuo Kanetake
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Polarizer with patterned diacetylene layer, method for producing th...
- Patent number 5,235,449
- Issue date Aug 10, 1993
- Hitachi, Ltd.
- Shuji Imazeki
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Packet transfer unit
- Publication number 20090196293
- Publication date Aug 6, 2009
- HITACHI LTD.
- Tatsuo Kanetake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Packet transfer unit
- Publication number 20050074009
- Publication date Apr 7, 2005
- Tatsuo Kanetake
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical crossconnect apparatus and optical transmission system
- Publication number 20050025481
- Publication date Feb 3, 2005
- Yasuyuki Fukashiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Network routing apparatus
- Publication number 20040233920
- Publication date Nov 25, 2004
- Hitachi, Ltd
- Takayuki Muranaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical crossconnect apparatus and optical transmission system
- Publication number 20020093712
- Publication date Jul 18, 2002
- Yasuyuki Fukashiro
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical cross-connect system and optical transmission system
- Publication number 20010033403
- Publication date Oct 25, 2001
- Shigeki Kitajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Tatsuo Kanetake

Person

Patents Grantslast 30 patents

Packet transfer unit

Packet transfer unit

Network routing apparatus

Optical crossconnect apparatus and optical transmission system

Optical crossconnect apparatus and optical transmission system

Optical network

Optical crossconnect apparatus and optical transmission system

Optical cross-connect system and optical transmission system

Fault restoration control method and it&#x00027;s apparatus in a co...

Semiconductor optical functional device

Optical modulator depressing optical feedback and optical modulatin...

Polarizer with patterned diacetylene layer, method for producing th...

Patents Applicationslast 30 patents

Packet transfer unit

Packet transfer unit

Optical crossconnect apparatus and optical transmission system

Network routing apparatus

Optical crossconnect apparatus and optical transmission system

Optical cross-connect system and optical transmission system

Fault restoration control method and it's apparatus in a co...