Hiroyuki Deguchi

Person

Kawasaki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Automatic power restoring method and optical communication system
- Patent number 7,792,430
- Issue date Sep 7, 2010
- Fujitsu Limited
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic power restoring method and optical communication system
- Patent number 7,664,392
- Issue date Feb 16, 2010
- Fujitsu Limited
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 7,586,672
- Issue date Sep 8, 2009
- Fujitsu Limited
- Eiji Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic power restoring method and optical communication system
- Patent number 7,437,069
- Issue date Oct 14, 2008
- Fujitsu Limited
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 7,251,072
- Issue date Jul 31, 2007
- Fujitsu Limited
- Toshihiro Ohtani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Input monitoring system for optical amplifying repeater
- Patent number 7,092,149
- Issue date Aug 15, 2006
- Fujitsu Limited
- Shinichirou Harasawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 6,980,745
- Issue date Dec 27, 2005
- Fujitsu Limited
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method, device, and system for evaluating characteristics of optica...
- Patent number 6,452,721
- Issue date Sep 17, 2002
- Fujitsu Limited
- Hiroyuki Deguchi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light transmission system
- Patent number 6,075,633
- Issue date Jun 13, 2000
- Fujitsu Limited
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Input monitoring system for optical amplifying repeater
- Patent number 5,838,476
- Issue date Nov 17, 1998
- Fujitsu Limited
- Shinichirou Harasawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Automatic power restoring method and optical communication system
- Publication number 20090175616
- Publication date Jul 9, 2009
- FUJITSU LIMITED
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Automatic power restoring method and optical communication system
- Publication number 20080317461
- Publication date Dec 25, 2008
- FUJITSU LIMITED
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system
- Publication number 20070242347
- Publication date Oct 18, 2007
- Fujitsu Limited
- Eiji Ishikawa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Automatic power restoring method and optical communication system
- Publication number 20040213567
- Publication date Oct 28, 2004
- Fujitsu Limited & Nippon Telegraph
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system
- Publication number 20040042063
- Publication date Mar 4, 2004
- FUJITSU LIMITED
- Toshihiro Ohtani
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system
- Publication number 20030035184
- Publication date Feb 20, 2003
- FUJITSU LIMITED
- Hiroyuki Deguchi
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method, device, and system for evaluating characteristics of optica...
- Publication number 20010050807
- Publication date Dec 13, 2001
- Hiroyuki Deguchi
- H01 - BASIC ELECTRIC ELEMENTS

Hiroyuki Deguchi

Person

Patents Grantslast 30 patents

Automatic power restoring method and optical communication system

Automatic power restoring method and optical communication system

Optical transmission system

Automatic power restoring method and optical communication system

Optical transmission system

Input monitoring system for optical amplifying repeater

Optical transmission system

Method, device, and system for evaluating characteristics of optica...

Light transmission system

Input monitoring system for optical amplifying repeater

Patents Applicationslast 30 patents

Automatic power restoring method and optical communication system

Automatic power restoring method and optical communication system

Optical transmission system

Automatic power restoring method and optical communication system

Optical transmission system

Optical transmission system

Method, device, and system for evaluating characteristics of optica...