Yoichi Ishiguro

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of drawing a twisted optical fiber
- Patent number 6,347,537
- Issue date Feb 19, 2002
- Sumitomo Electric Industries, Ltd.
- Masashi Onishi
- G02 - OPTICS
Information Patent Grant
Method of making an optical fiber having an imparted twist
- Patent number 6,076,376
- Issue date Jun 20, 2000
- Sumitomo Electric Industries, Ltd.
- Masashi Onishi
- G02 - OPTICS
Information Patent Grant
Arrayed optical fiber coupler and method of manufacturing the same
- Patent number 5,627,930
- Issue date May 6, 1997
- Sumitomo Electric Industries, Ltd.
- Yoichi Ishiguro
- G02 - OPTICS
Information Patent Grant
Method for manufacturing optical fiber coupler
- Patent number 5,620,494
- Issue date Apr 15, 1997
- Sumitomo Electric Industries, Ltd.
- Eisuke Sasaoka
- G02 - OPTICS
Information Patent Grant
Method for producing glass preform for optical fiber
- Patent number 5,364,428
- Issue date Nov 15, 1994
- Sumitomo Electric Industries, Ltd.
- Michihisa Kyoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Spectroanalyzer correcting for deterioration of transmissibility
- Patent number 5,357,334
- Issue date Oct 18, 1994
- Sumitomo Electric Industries Ltd.
- Yoichi Ishiguro
- G01 - MEASURING TESTING
Information Patent Grant
Method for manufacturing a hermetically coated optical fiber
- Patent number 5,348,564
- Issue date Sep 20, 1994
- Sumitomo Electric Industries, Ltd.
- Haruhiko Aikawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus of manufacturing hermetic coating optical fiber
- Patent number 5,338,328
- Issue date Aug 16, 1994
- Sumitomo Electric Industries, Ltd.
- Haruhiko Aikawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of forming a carbon coated optical fiber with co-current rea...
- Patent number 5,320,659
- Issue date Jun 14, 1994
- Sumitomo Electric Industries, Ltd.
- Yoichi Ishiguro
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing hermetic coating optical fiber
- Patent number 5,296,011
- Issue date Mar 22, 1994
- Sumitomo Electric Industries, Ltd.
- Haruhiko Aikawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing hermetic coated optical fiber
- Patent number 5,281,247
- Issue date Jan 25, 1994
- Sumitomo Electric Industries, Ltd.
- Haruhiko Aikawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing fiber-optic collimators
- Patent number 5,265,179
- Issue date Nov 23, 1993
- Sumitomo Electric Industries, Ltd.
- Yoichi Ishiguro
- G02 - OPTICS
Information Patent Grant
Production of a hermetically coated optical fiber
- Patent number 5,235,666
- Issue date Aug 10, 1993
- Sumitomo Electric Industries, Ltd.
- Masaharu Ooe
- G02 - OPTICS
Information Patent Grant
Method of making optical glass article
- Patent number 5,217,516
- Issue date Jun 8, 1993
- Sumitomo Electric Industries, Ltd.
- Yoichi Ishiguro
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for optically measuring the thickness of a coa...
- Patent number 5,208,645
- Issue date May 4, 1993
- Sumitomo Electric Industries, Ltd.
- Akira Inoue
- G01 - MEASURING TESTING
Information Patent Grant
Method for producing glass preform for optical fiber
- Patent number 5,203,899
- Issue date Apr 20, 1993
- Sumitomo Electric Industries, Ltd.
- Michihisa Kyoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for producing hermetic coated optical fiber
- Patent number 5,194,080
- Issue date Mar 16, 1993
- Sumitomo Electric Industries, Ltd.
- Haruhiko Aikawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for producing glass preform for optical fiber
- Patent number 5,163,987
- Issue date Nov 17, 1992
- Sumitomo Electric Industries, Ltd.
- Yoichi Ishiguro
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for producing glass preform for optical fiber
- Patent number 5,158,587
- Issue date Oct 27, 1992
- Sumitomo Electric Industries, Ltd.
- Michihisa Kyoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Hermetically coated optical fiber
- Patent number 5,157,755
- Issue date Oct 20, 1992
- Sumitomo Electric Industries, Ltd.
- Masaharu Ooe
- G02 - OPTICS
Information Patent Grant
Method for producing glass preform for optical fiber
- Patent number 5,145,507
- Issue date Sep 8, 1992
- Sumitomo Electric Industries, Ltd.
- Michihisa Kyoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Fiber optical amplifier
- Patent number 5,125,066
- Issue date Jun 23, 1992
- Sumitomo Electric Industries, Ltd.
- Yoichi Ishiguro
- G02 - OPTICS
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
Method for producing glass preform for optical fiber
- Patent number 5,055,121
- Issue date Oct 8, 1991
- Sumitomo Electric Industries, Ltd.
- Hiroo Kanamori
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
High pressure fluorine method for producing preform for optical fiber
- Patent number 5,053,068
- Issue date Oct 1, 1991
- Sumitomo Electric Industries, Ltd.
- Michihisa Kyoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for producing coated optical fiber
- Patent number 5,035,484
- Issue date Jul 30, 1991
- Sumitomo Electric Industries, Ltd.
- Yoichi Ishiguro
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Furnace for producing high purity quartz glass preform
- Patent number 5,032,079
- Issue date Jul 16, 1991
- Sumitomo Electric Industries, Ltd.
- Ichiro Tsuchiya
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of making optical glass article
- Patent number 5,022,904
- Issue date Jun 11, 1991
- Sumitomo Electric Industries, Ltd.
- Yoichi Ishiguro
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for fusion-splicing hermetically coated optical fibers
- Patent number 5,018,824
- Issue date May 28, 1991
- Sumitomo Electric Industries, Ltd.
- Masaharu Ooe
- G02 - OPTICS
Information Patent Grant
Furnace for heating glass preform for optical fiber and method for...
- Patent number 4,969,941
- Issue date Nov 13, 1990
- Sumitomo Electric Industries, Ltd.
- Michihisa Kyoto
- F27 - FURNACES KILNS OVENS RETORTS

Yoichi Ishiguro

Person

Patents Grantslast 30 patents

Method of drawing a twisted optical fiber

Method of making an optical fiber having an imparted twist

Arrayed optical fiber coupler and method of manufacturing the same

Method for manufacturing optical fiber coupler

Method for producing glass preform for optical fiber

Spectroanalyzer correcting for deterioration of transmissibility

Method for manufacturing a hermetically coated optical fiber

Apparatus of manufacturing hermetic coating optical fiber

Method of forming a carbon coated optical fiber with co-current rea...

Method of manufacturing hermetic coating optical fiber

Method for producing hermetic coated optical fiber

Method of manufacturing fiber-optic collimators

Production of a hermetically coated optical fiber

Method of making optical glass article

Method and apparatus for optically measuring the thickness of a coa...

Method for producing glass preform for optical fiber

Apparatus for producing hermetic coated optical fiber

Method for producing glass preform for optical fiber

Method for producing glass preform for optical fiber

Hermetically coated optical fiber

Method for producing glass preform for optical fiber

Fiber optical amplifier

Furnace for heating highly pure quartz preform for optical fiber

Method for producing glass preform for optical fiber

High pressure fluorine method for producing preform for optical fiber

Method and apparatus for producing coated optical fiber

Furnace for producing high purity quartz glass preform

Method of making optical glass article

Process for fusion-splicing hermetically coated optical fibers

Furnace for heating glass preform for optical fiber and method for...