Hiroji Masuda

Person

Kanagawa-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Amplifying optical fiber and optical amplifier
- Patent number 9,515,450
- Issue date Dec 6, 2016
- Fujikura Ltd.
- Shoichiro Matsuo
- G02 - OPTICS
Information Patent Grant
Amplifying optical fiber and optical amplifier
- Patent number 9,252,556
- Issue date Feb 2, 2016
- Fujikura Ltd.
- Shoichiro Matsuo
- G02 - OPTICS
Information Patent Grant
Inline repeater and optical fiber communication system
- Patent number 7,920,793
- Issue date Apr 5, 2011
- Nippon Telegraph and Telephone Corporation
- Hiroji Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier having a constant gain profile
- Patent number 7,589,888
- Issue date Sep 15, 2009
- Nippon Telegraph and Telephone Corporation
- Shinichi Aozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier
- Patent number 7,538,937
- Issue date May 26, 2009
- Nippon Telegraph and Telephone
- Shinichi Aozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber communication system using remote pumping
- Patent number 7,379,236
- Issue date May 27, 2008
- Nippon Telegraph and Telephone Corporation
- Hiroji Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier
- Patent number 7,042,634
- Issue date May 9, 2006
- Nippon Telegraph and Telephone Corporation
- Shinichi Aozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
White light source
- Patent number 6,900,885
- Issue date May 31, 2005
- Nippon Telegraph and Telephone Corporation
- Hiroji Masuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber amplifier and optical communication system using the...
- Patent number 6,771,414
- Issue date Aug 3, 2004
- Nippon Telegraph and Telephone Corporation
- Hiroji Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Thulium-doped fiber amplifier using pump light for improving conver...
- Patent number 6,721,092
- Issue date Apr 13, 2004
- Nippon Telegraph and Telephone Corporation
- Shinichi Aozasa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical amplifier and optical fiber communication system using the...
- Patent number 6,678,087
- Issue date Jan 13, 2004
- Nippon Telegraph and Telephone Corporation
- Hiroji Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier
- Patent number 6,583,924
- Issue date Jun 24, 2003
- Nippon Telegraph and Telephone Corporation
- Hiroji Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier
- Patent number 6,469,826
- Issue date Oct 22, 2002
- Nippon Telegraph and Telephone Corporation
- Hiroji Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier and transmission system using the same
- Patent number 6,172,803
- Issue date Jan 9, 2001
- Nippon Telegraph and Telephone Corporation
- Hiroji Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical-frequency-stabilized light source
- Patent number 6,122,087
- Issue date Sep 19, 2000
- Ando Electric Co., Ltd.
- Seiji Nogiwa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for monitoring noise figure of optical amplifier
- Patent number 5,471,334
- Issue date Nov 28, 1995
- Nippon Telegraph & Telephone Corporation
- Hiroji Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber amplifier including rare earth doped fiber and feedba...
- Patent number 5,245,690
- Issue date Sep 14, 1993
- Nippon Telegraph & Telephone Corporation
- Kazuo Aida
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
AMPLIFYING OPTICAL FIBER AND OPTICAL AMPLIFIER
- Publication number 20150318659
- Publication date Nov 5, 2015
- FUJIKURA LTD.
- Shoichiro Matsuo
- G02 - OPTICS
Information Patent Application
AMPLIFYING OPTICAL FIBER AND OPTICAL AMPLIFIER
- Publication number 20150318661
- Publication date Nov 5, 2015
- FUJIKURA LTD.
- Shoichiro Matsuo
- G02 - OPTICS
Information Patent Application
Inline Repeater and Optical Fiber Communication System
- Publication number 20080193136
- Publication date Aug 14, 2008
- Nippon Telegraph and Telephone Corporation
- Hiroji Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical fiber communication system using remote pumping
- Publication number 20070003286
- Publication date Jan 4, 2007
- Nippon Telegraph and Telephone Corporation
- Hiroji Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier
- Publication number 20060146398
- Publication date Jul 6, 2006
- Nippon Telephone and Telegraph Corporation
- Shinichi Aozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier
- Publication number 20060146397
- Publication date Jul 6, 2006
- Nippon Telephone and Telegraph Corporation
- Shinichi Aozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier
- Publication number 20040012843
- Publication date Jan 22, 2004
- Nippon Telegraph and Telephone Corporation
- Shinichi Aozasa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical amplifier
- Publication number 20020196530
- Publication date Dec 26, 2002
- Hiroji Masuda
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical fiber amplifier and optical communication system using the...
- Publication number 20020167717
- Publication date Nov 14, 2002
- Hiroji Masuda
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Thulium-doped fiber amplifier using pump light for improving conver...
- Publication number 20020159137
- Publication date Oct 31, 2002
- Shinichi Aozasa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
White light source
- Publication number 20020131695
- Publication date Sep 19, 2002
- Hiroji Masuda
- H01 - BASIC ELECTRIC ELEMENTS

Hiroji Masuda

Person

Patents Grantslast 30 patents

Amplifying optical fiber and optical amplifier

Amplifying optical fiber and optical amplifier

Inline repeater and optical fiber communication system

Optical amplifier having a constant gain profile

Optical amplifier

Optical fiber communication system using remote pumping

Optical amplifier

White light source

Optical fiber amplifier and optical communication system using the...

Thulium-doped fiber amplifier using pump light for improving conver...

Optical amplifier and optical fiber communication system using the...

Optical amplifier

Optical amplifier

Optical amplifier and transmission system using the same

Optical-frequency-stabilized light source

Method and apparatus for monitoring noise figure of optical amplifier

Optical fiber amplifier including rare earth doped fiber and feedba...

Patents Applicationslast 30 patents

AMPLIFYING OPTICAL FIBER AND OPTICAL AMPLIFIER

AMPLIFYING OPTICAL FIBER AND OPTICAL AMPLIFIER

Inline Repeater and Optical Fiber Communication System

Optical fiber communication system using remote pumping

Optical amplifier

Optical amplifier

Optical amplifier

Optical amplifier

Optical fiber amplifier and optical communication system using the...

Thulium-doped fiber amplifier using pump light for improving conver...

White light source