Katsuyuki TSUNEISHI

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Furnace gas feeding device, optical fiber production device, and op...
- Patent number 11,795,099
- Issue date Oct 24, 2023
- Sumitomo Electric Industries, Ltd.
- Satoshi Yoshikawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber drawing method and optical fiber drawing apparatus
- Patent number 9,567,252
- Issue date Feb 14, 2017
- Sumitomo Electric Industries, Ltd.
- Iwao Okazaki
- 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
Heat resistant optical fiber core
- Patent number 6,711,335
- Issue date Mar 23, 2004
- Sumitomo Electric Industries, Ltd.
- Makoto Shimizu
- 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
Method and apparatus for fabricating coated optical fiber, and coat...
- Patent number 6,519,404
- Issue date Feb 11, 2003
- Sumitomo Electric Industries, Ltd.
- Motohide Yoshida
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Cleaning a glass preform with a high temperature inert gas during t...
- Patent number 5,922,098
- Issue date Jul 13, 1999
- Sumitomo Electric Industries, Ltd.
- Katsuyuki Tsuneishi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method and apparatus for detecting irregular part of optical fiber
- Patent number 5,449,393
- Issue date Sep 12, 1995
- Sumitomo Electric Industries, Ltd.
- Katsuyuki Tsuneishi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber drawing apparatus
- Patent number 4,892,572
- Issue date Jan 9, 1990
- Sumitomo Electric Industries, Ltd.
- Katsuyuki Tsuneishi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Method for producing optical fiber
- Patent number 4,770,898
- Issue date Sep 13, 1988
- Sumitomo Electric Industries, Ltd.
- Masakatsu Sugai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for coating optical transmission glass fibers
- Patent number 4,539,219
- Issue date Sep 3, 1985
- Sumitomo Electric Industries, Ltd.
- Toru Yamanishi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for coating optical transmission glass fibers
- Patent number 4,512,281
- Issue date Apr 23, 1985
- Sumitomo Electric Industries, Ltd.
- Toru Yamanishi
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF MANUFACTURING OPTICAL FIBER AND APPARATUS FOR MANUFACTURI...
- Publication number 20230416140
- Publication date Dec 28, 2023
- Sumitomo Electric Industries, Ltd.
- Hiroshi KOHDA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
FURNACE GAS FEEDING DEVICE, OPTICAL FIBER PRODUCTION DEVICE, AND OP...
- Publication number 20210094867
- Publication date Apr 1, 2021
- Sumitomo Electric Industries, Ltd.
- Satoshi YOSHIKAWA
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
OPTICAL FIBER DRAWING METHOD AND OPTICAL FIBER DRAWING APPARATUS
- Publication number 20160002090
- Publication date Jan 7, 2016
- Sumitomo Electric Industries, Ltd.
- Iwao OKAZAKI
- C03 - GLASS MINERAL OR SLAG WOOL

Katsuyuki TSUNEISHI

Person

Patents Grantslast 30 patents

Furnace gas feeding device, optical fiber production device, and op...

Optical fiber drawing method and optical fiber drawing apparatus

Optical fiber drawing method and drawing furnace

Heat resistant optical fiber core

Optical fiber drawing furnace with a zig zag heating element

Method and apparatus for fabricating coated optical fiber, and coat...

Cleaning a glass preform with a high temperature inert gas during t...

Method and apparatus for detecting irregular part of optical fiber

Optical fiber drawing apparatus

Method for producing optical fiber

Method for coating optical transmission glass fibers

Method for coating optical transmission glass fibers

Patents Applicationslast 30 patents

METHOD OF MANUFACTURING OPTICAL FIBER AND APPARATUS FOR MANUFACTURI...

FURNACE GAS FEEDING DEVICE, OPTICAL FIBER PRODUCTION DEVICE, AND OP...

OPTICAL FIBER DRAWING METHOD AND OPTICAL FIBER DRAWING APPARATUS