Masayuki Shigematsu

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Bi-directional optical communication method and multi-core optical...
- Patent number 9,244,217
- Issue date Jan 26, 2016
- Sumitomo Electric Industries, Ltd.
- Eisuke Sasaoka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical transmission system
- Patent number 7,330,302
- Issue date Feb 12, 2008
- Sumitomo Electric Industries, Ltd.
- Toshiyuki Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Fluorescence glass, optical wave guide for optical amplifier and op...
- Patent number 7,170,674
- Issue date Jan 30, 2007
- Sumitomo Electric Industries, Ltd.
- Motoki Kakui
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical communication system
- Patent number 7,139,483
- Issue date Nov 21, 2006
- Sumitomo Electric Industries, Ltd.
- Toru Murase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical component, optical amplification module, and optical transm...
- Patent number 7,027,215
- Issue date Apr 11, 2006
- Sumitomo Electric Industries, Ltd.
- Hitoshi Hatayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier and optical amplification method
- Patent number 6,952,309
- Issue date Oct 4, 2005
- Sumitomo Electric Industries, Ltd.
- Tetsufumi Tsuzaki
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical device, optical module, optical amplifier, and optical tran...
- Patent number 6,898,002
- Issue date May 24, 2005
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Semiconductor optical device and method of manufacturing the same
- Patent number 6,625,187
- Issue date Sep 23, 2003
- Sumitomo Electric Industries, Ltd.
- Nobuyuki Ikoma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
WDM transmission repeater, WDM transmission system and WDM transmis...
- Patent number 6,512,613
- Issue date Jan 28, 2003
- Sumitomo Electric Industries, Ltd.
- Shigeru Tanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber amplifier, a method of amplifying optical signals, op...
- Patent number 6,504,647
- Issue date Jan 7, 2003
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Laser light source and manufacturing method therefor
- Patent number 6,415,078
- Issue date Jul 2, 2002
- Sumitomo Electric Industries, Ltd.
- Masakazu Shigehara
- G02 - OPTICS
Information Patent Grant
Optical waveguide device and optical device having long-period grating
- Patent number 6,317,538
- Issue date Nov 13, 2001
- Sumitomo Electric Industries, Ltd.
- Masakazu Shigehara
- G02 - OPTICS
Information Patent Grant
Optical amplifier repeater system
- Patent number 6,259,554
- Issue date Jul 10, 2001
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber diffraction grating, a method of fabricating thereof...
- Patent number 6,067,392
- Issue date May 23, 2000
- Sumitomo Electric Industries, Ltd.
- Toshinori Wakami
- G02 - OPTICS
Information Patent Grant
Chromatic dispersion compensator and chromatic dispersion compensat...
- Patent number 6,055,081
- Issue date Apr 25, 2000
- Sumitomo Electric Industries, Ltd.
- Yasushi Koyano
Information Patent Grant
Optical fiber amplifier
- Patent number 5,835,259
- Issue date Nov 10, 1998
- Sumitomo Electric Industries, Ltd.
- Motoki Kakui
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber amplifier
- Patent number 5,742,427
- Issue date Apr 21, 1998
- Sumitomo Electric Industries, Ltd.
- Motoki Kakui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber amplifier and optical amplifier repeater
- Patent number 5,721,635
- Issue date Feb 24, 1998
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Chromatic dispersion compensator and chromatic dispersion compensat...
- Patent number 5,701,188
- Issue date Dec 23, 1997
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- G02 - OPTICS
Information Patent Grant
Optical phase conjugator, optical transmission system using the sam...
- Patent number 5,694,239
- Issue date Dec 2, 1997
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- G02 - OPTICS
Information Patent Grant
Optical fiber dispersion compensation device for optical communicat...
- Patent number 5,680,491
- Issue date Oct 21, 1997
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- G02 - OPTICS
Information Patent Grant
Optical fiber amplifier and optical amplifier repeater
- Patent number 5,640,269
- Issue date Jun 17, 1997
- Sumitomo Electric Industries, Inc.
- Masayuki Shigematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical amplifier
- Patent number 5,572,356
- Issue date Nov 5, 1996
- Sumitomo Electric Industries, Ltd.
- Ichiro Yoshida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber amplifier and optical amplifier repeater
- Patent number 5,532,870
- Issue date Jul 2, 1996
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical fiber component optical coupler and method of producing the...
- Patent number RE35222
- Issue date Apr 30, 1996
- Sumitomo Electric Industries, Ltd.
- Sumio Hoshino
- 385 - Optical waveguides
Information Patent Grant
Optical transmission line and a method of forming thereof
- Patent number 5,509,098
- Issue date Apr 16, 1996
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system including dispersion compensating opti...
- Patent number 5,430,822
- Issue date Jul 4, 1995
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- G02 - OPTICS
Information Patent Grant
Optical isolator
- Patent number 5,381,261
- Issue date Jan 10, 1995
- Sumitomo Electric Industries, Ltd.
- Shigeru Hirai
- G02 - OPTICS
Information Patent Grant
Light communication system
- Patent number 5,214,728
- Issue date May 25, 1993
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Optical communication system
- Patent number 5,214,524
- Issue date May 25, 1993
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
BI-DIRECTIONAL OPTICAL COMMUNICATION METHOD AND MULTI-CORE OPTICAL...
- Publication number 20130129292
- Publication date May 23, 2013
- Sumitomo Electric Industries, Ltd.
- Eisuke SASAOKA
- G02 - OPTICS
Information Patent Application
Optical transmission system
- Publication number 20040246566
- Publication date Dec 9, 2004
- Toshiyuki Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Fluorescent glass, optical amplification waveguide and optical ampl...
- Publication number 20040233514
- Publication date Nov 25, 2004
- Masahiro Takagi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fluorescence glass, optical wave guide for optical amplifier and op...
- Publication number 20040223211
- Publication date Nov 11, 2004
- Motoki Kakui
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical filter and optical amplifier using the same
- Publication number 20040120640
- Publication date Jun 24, 2004
- Hitoshi Hatayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical communication system
- Publication number 20040081461
- Publication date Apr 29, 2004
- Toru Murase
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical component, optical amplification module, and optical transm...
- Publication number 20040047022
- Publication date Mar 11, 2004
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Hitoshi Hatayama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Optical transmission system and optical amplification method
- Publication number 20040032640
- Publication date Feb 19, 2004
- Toshiyuki Miyamoto
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical transmission system
- Publication number 20040028416
- Publication date Feb 12, 2004
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Toshiyuki Miyamoto
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Grating device, light source unit, and optical system
- Publication number 20030161582
- Publication date Aug 28, 2003
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Masayuki Shigematsu
- G02 - OPTICS
Information Patent Application
Optical device, optical module, optical amplifier, and optical tran...
- Publication number 20030053197
- Publication date Mar 20, 2003
- Masayuki Shigematsu
- G02 - OPTICS

Masayuki Shigematsu

Person

Patents Grantslast 30 patents

Bi-directional optical communication method and multi-core optical...

Optical transmission system

Fluorescence glass, optical wave guide for optical amplifier and op...

Optical communication system

Optical component, optical amplification module, and optical transm...

Optical amplifier and optical amplification method

Optical device, optical module, optical amplifier, and optical tran...

Semiconductor optical device and method of manufacturing the same

WDM transmission repeater, WDM transmission system and WDM transmis...

Optical fiber amplifier, a method of amplifying optical signals, op...

Laser light source and manufacturing method therefor

Optical waveguide device and optical device having long-period grating

Optical amplifier repeater system

Optical fiber diffraction grating, a method of fabricating thereof...

Chromatic dispersion compensator and chromatic dispersion compensat...

Optical fiber amplifier

Optical fiber amplifier

Optical fiber amplifier and optical amplifier repeater

Chromatic dispersion compensator and chromatic dispersion compensat...

Optical phase conjugator, optical transmission system using the sam...

Optical fiber dispersion compensation device for optical communicat...

Optical fiber amplifier and optical amplifier repeater

Optical amplifier

Optical fiber amplifier and optical amplifier repeater

Optical fiber component optical coupler and method of producing the...

Optical transmission line and a method of forming thereof

Optical communication system including dispersion compensating opti...

Optical isolator

Light communication system

Optical communication system

Patents Applicationslast 30 patents

BI-DIRECTIONAL OPTICAL COMMUNICATION METHOD AND MULTI-CORE OPTICAL...

Optical transmission system

Fluorescent glass, optical amplification waveguide and optical ampl...

Fluorescence glass, optical wave guide for optical amplifier and op...

Optical filter and optical amplifier using the same

Optical communication system

Optical component, optical amplification module, and optical transm...

Optical transmission system and optical amplification method

Optical transmission system

Grating device, light source unit, and optical system

Optical device, optical module, optical amplifier, and optical tran...