Tomonori Kashiwada

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Amplifying optical fiber, optical fiber amplifier and optical trans...
- Patent number 6,937,810
- Issue date Aug 30, 2005
- Sumitomo Electric Industries, Ltd.
- Tomonori Kashiwada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Optical fiber splicing method and optical transmission line
- Patent number 6,729,777
- Issue date May 4, 2004
- Sumitomo Electric Industries, Ltd.
- Takatoshi Kato
- G02 - OPTICS
Information Patent Grant
Dispersion compensating fiber and optical transmission system inclu...
- Patent number RE38086
- Issue date Apr 22, 2003
- Sumitomo Electric Industries, Ltd.
- Masashi Onishi
- 385 - Optical waveguides
Information Patent Grant
Dispersion-compensating fiber
- Patent number 6,501,892
- Issue date Dec 31, 2002
- Sumitomo Electric Industries, Ltd.
- Toshiaki Okuno
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Non-linear optical fiber, optical fiber coil, and wavelength converter
- Patent number 6,347,174
- Issue date Feb 12, 2002
- Sumitomo Electric Industries, Ltd.
- Masashi Onishi
- G02 - OPTICS
Information Patent Grant
Dispersion compensating fiber and optical transmission system inclu...
- Patent number 5,838,867
- Issue date Nov 17, 1998
- Sumitomo Electric Industries, Ltd.
- Masashi Onishi
- G02 - OPTICS
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
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 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 communication system including dispersion compensating opti...
- Patent number 5,430,822
- Issue date Jul 4, 1995
- Sumitomo Electric Industries, Ltd.
- Masayuki Shigematsu
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Amplifying optical fiber, optical fiber amplifier and optical trans...
- Publication number 20040047584
- Publication date Mar 11, 2004
- Tomonori Kashiwada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Optical fiber splicing method and optical transmission line
- Publication number 20020114594
- Publication date Aug 22, 2002
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- Takatoshi Kato
- G02 - OPTICS
Information Patent Application
Methods of making preform and optical fiber
- Publication number 20020000104
- Publication date Jan 3, 2002
- Sumitomo Electric Industries, Ltd.
- Hideyuki Ijiri
- C03 - GLASS MINERAL OR SLAG WOOL

Tomonori Kashiwada

Person

Patents Grantslast 30 patents

Amplifying optical fiber, optical fiber amplifier and optical trans...

Optical fiber splicing method and optical transmission line

Dispersion compensating fiber and optical transmission system inclu...

Dispersion-compensating fiber

Non-linear optical fiber, optical fiber coil, and wavelength converter

Dispersion compensating fiber and optical transmission system inclu...

Optical fiber amplifier and optical amplifier repeater

Optical fiber dispersion compensation device for optical communicat...

Optical fiber amplifier and optical amplifier repeater

Optical fiber amplifier and optical amplifier repeater

Optical communication system including dispersion compensating opti...

Patents Applicationslast 30 patents

Amplifying optical fiber, optical fiber amplifier and optical trans...

Optical fiber splicing method and optical transmission line

Methods of making preform and optical fiber