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Ichiro Tsuchiya
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Laser light source, method of laser oscillation, and method of lase...
Patent number
7,535,628
Issue date
May 19, 2009
Sumitomo Electric Industries, Ltd.
Ichiro Tsuchiya
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
Polarized wave holding optical fiber, and method of producing the same
Patent number
7,016,582
Issue date
Mar 21, 2006
Sumitomo Electric Industries, Ltd.
Iwao Okazaki
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber producing method
Patent number
6,928,840
Issue date
Aug 16, 2005
Sumitomo Electric Industries, Ltd.
Katsuya Nagayama
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Drawing method of optical fiber and drawing furnace
Patent number
6,907,757
Issue date
Jun 21, 2005
Sumitomo Electric Industries, Ltd.
Kazuya Kuwahara
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of controlling an upper portion of an optical fiber draw fur...
Patent number
6,810,692
Issue date
Nov 2, 2004
Sumitomo Electric Industries, Ltd.
Toshiki Taru
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber drawing method and drawing furnace
Patent number
6,735,983
Issue date
May 18, 2004
Sumitomo Electric Industries, Ltd.
Toshiki Taru
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber drawing furnace having adjustable partitions
Patent number
6,668,592
Issue date
Dec 30, 2003
Sumitomo Electric Industries, Ltd.
Toshiki Taru
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber coating method and coating apparatus
Patent number
6,576,058
Issue date
Jun 10, 2003
Sumitomo Electric Industries, Ltd.
Kazumasa Oishi
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber drawing furnace with a zig zag heating element
Patent number
6,546,760
Issue date
Apr 15, 2003
Sumitomo Electric Industries, Ltd.
Ichiro Tsuchiya
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber coupler making apparatus made from zirconia and method
Patent number
6,543,256
Issue date
Apr 8, 2003
Sumitomo Electric Industries, Ltd.
Toshiki Taru
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of making an optical fiber with an improved UV-curable resin
Patent number
6,530,243
Issue date
Mar 11, 2003
Sumitomo Electric Industries, Ltd.
Kazuya Kuwahara
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method and apparatus for curing ultraviolet-curing resin
Patent number
6,399,158
Issue date
Jun 4, 2002
Sumitomo Electric Industries, Ltd.
Kazuya Kuwahara
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber and method of making the same
Patent number
6,400,878
Issue date
Jun 4, 2002
Sumitomo Electric Industries, Ltd.
Katsuya Nagayama
G02 - OPTICS
Information
Patent Grant
Method and apparatus for producing optical fiber ribbons
Patent number
6,333,071
Issue date
Dec 25, 2001
Sumitomo Electric Industries, Ltd.
Kohei Kobayashi
G02 - OPTICS
Information
Patent Grant
Collectively coating die device for manufacturing separable optical...
Patent number
6,309,567
Issue date
Oct 30, 2001
Sumitomo Electric Industries, Ltd.
Kaoru Okuno
G02 - OPTICS
Information
Patent Grant
Resin coating applicator for an optical fiber
Patent number
6,030,658
Issue date
Feb 29, 2000
Sumitomo Electric Industries Ltd.
Ichiro Tsuchiya
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber coating method and apparatus therefor
Patent number
5,976,611
Issue date
Nov 2, 1999
Sumitomo Electric Industries, Ltd.
Kaoru Okuno
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for production of glass preform for optical fiber including...
Patent number
5,693,115
Issue date
Dec 2, 1997
Sumitomo Electric Industries, Ltd.
Masumi Ito
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method and furnace for drawing optical fibers
Patent number
5,637,130
Issue date
Jun 10, 1997
Sumitomo Electric Industries, Inc.
Katsuya Nagayama
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Optical fiber preform manufacturing apparatus which measures a vert...
Patent number
5,624,474
Issue date
Apr 29, 1997
Sumitomo Electric Industries, Ltd.
Ichiro Tsuchiya
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Ferrule for optical connector and process for making same
Patent number
5,602,951
Issue date
Feb 11, 1997
Sumitomo Electric Industries, Ltd.
Tetsuo Shiota
G02 - OPTICS
Information
Patent Grant
Process for consolidation of porous preform for optical fiber
Patent number
5,470,369
Issue date
Nov 28, 1995
Sumitomo Electric Industries, Ltd.
Ichiro Tsuchiya
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for producing glass preform for optical fiber
Patent number
5,330,548
Issue date
Jul 19, 1994
Sumitomo Electric Industries, Ltd.
Toshio Danzuka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for thermal treatment of glass fiber preform
Patent number
5,306,322
Issue date
Apr 26, 1994
Sumitomo Electric Industries, Ltd.
Shinji Ishikawa
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method of producing glass preform in furnace for heating glass
Patent number
5,259,856
Issue date
Nov 9, 1993
Sumitomo Electric Industrial, Ltd.
Yuichi Ohga
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Method for producing glass preform for optical fiber
Patent number
5,236,482
Issue date
Aug 17, 1993
Sumitomo Electric Industries, Ltd.
Toshio Danzuka
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Air-tight sintering furnace for the production of a quartz preform
Patent number
5,133,796
Issue date
Jul 28, 1992
Sumitomo Electric Industries, Ltd.
Ichiro Tsuchiya
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Furnace for heating highly pure quartz preform for optical fiber
Patent number
5,114,338
Issue date
May 19, 1992
Sumitomo Electric Industries, Ltd.
Ichiro Tsuchiya
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Grant
Process for thermal treatment of glass fiber preform
Patent number
5,106,401
Issue date
Apr 21, 1992
Sumitomo Electric Industries, Ltd.
Shinji Ishikawa
C03 - GLASS MINERAL OR SLAG WOOL
Patents Applications
last 30 patents
Information
Patent Application
Laser light source, method of laser oscillation, and method of lase...
Publication number
20060257150
Publication date
Nov 16, 2006
Ichiro Tsuchiya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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
Polarized wave holding optical fiber, and method of producing the same
Publication number
20040114895
Publication date
Jun 17, 2004
Iwao Okazaki
G02 - OPTICS
Information
Patent Application
Furnace and method for optical fiber wire driwing
Publication number
20030205068
Publication date
Nov 6, 2003
Sumitomo Electric Industries, Ltd.
Toshiki Taru
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Method of producing optical fiber
Publication number
20030010064
Publication date
Jan 16, 2003
Kazuya Kuwahara
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
OPTICAL FIBER COATING METHOD AND COATING APPARATUS
Publication number
20020179008
Publication date
Dec 5, 2002
KAZUMASA OISHI
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Drawing method of optical fiber and drawing furnace
Publication number
20020174692
Publication date
Nov 28, 2002
Kazuya Kuwahara
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical fiber and method of making the same
Publication number
20020044753
Publication date
Apr 18, 2002
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Katsuya Nagayama
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Method of making optical fiber
Publication number
20010010162
Publication date
Aug 2, 2001
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Kazuya Kuwahara
C03 - GLASS MINERAL OR SLAG WOOL
Information
Patent Application
Optical fiber making method and optical fiber making apparatus
Publication number
20010003911
Publication date
Jun 21, 2001
SUMITOMO ELECTRIC INDUSTRIES, LTD.
Kaoru Okuno
C03 - GLASS MINERAL OR SLAG WOOL