Yukio Kohmura

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Porous preform vitrification apparatus
- Patent number 6,748,766
- Issue date Jun 15, 2004
- The Furukawa Electric Co., Ltd.
- Yukio Kohmura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of heating and processing an end of an optical fiber preform...
- Patent number 6,644,069
- Issue date Nov 11, 2003
- The Furukawa Electric Co., Ltd.
- Yukio Kohmura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus and method for production of a porous optical fiber preform
- Patent number 6,619,074
- Issue date Sep 16, 2003
- The Furukawa Electric Co., Ltd.
- Hiroyuki Wada
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Optical fiber preform suspending and supporting apparatus and optic...
- Patent number 6,519,977
- Issue date Feb 18, 2003
- The Furukawa Electric Co., Ltd.
- Toshihiro Mikami
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Production apparatus for producing an optical fiber cable
- Patent number 5,672,193
- Issue date Sep 30, 1997
- The Furukawa Electric Co., Ltd.
- Yukio Kohmura
- G01 - MEASURING TESTING
Information Patent Grant
Vapor phase growth system and a gas-drive motor
- Patent number 5,558,721
- Issue date Sep 24, 1996
- The Furukawa Electric Co., Ltd.
- Yukio Kohmura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method and system for forming and inspecting an electroconductive f...
- Patent number 5,548,213
- Issue date Aug 20, 1996
- The Furukawa Electric Co., Ltd.
- Yukio Kohmura
- G01 - MEASURING TESTING
Information Patent Grant
Method and system for inspection of electroconductive film using ed...
- Patent number 5,262,726
- Issue date Nov 16, 1993
- The Furukawa Electric Co., Ltd.
- Yukio Kohmura
- G01 - MEASURING TESTING
Information Patent Grant
Optical fiber soot synthesis apparatus
- Patent number 5,183,490
- Issue date Feb 2, 1993
- The Furukawa Electric Co., Ltd.
- Toshihiro Mikami
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of forming a thin film by plasma CVD and apapratus for formi...
- Patent number 4,991,542
- Issue date Feb 12, 1991
- The Furukawa Electric Co., Ltd.
- Yukio Kohmura
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Patents Applicationslast 30 patents

Information Patent Application
Method of producing optical fiber preform and sintering apparatus
- Publication number 20030000255
- Publication date Jan 2, 2003
- THE FURUKAWA ELECTRIC CO., LTD.
- Yukio Kohmura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Optical fiber preform suspending and supporting apparatus and opica...
- Publication number 20020014094
- Publication date Feb 7, 2002
- The Furukawa Electric CO., LTD
- Toshihiro Mikami
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Porous preform vitrification apparatus
- Publication number 20020000102
- Publication date Jan 3, 2002
- The Furukawa Electric CO., LTD
- Yukio Kohmura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Method for maintaining quality of optical fiber preform and storage...
- Publication number 20010037662
- Publication date Nov 8, 2001
- The Furukawa Electric CO., LTD
- Yukio Kohmura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Application
Method of heating and processing an end of an optical fiber preform...
- Publication number 20010023598
- Publication date Sep 27, 2001
- THE FURUKAWA ELECTRIC CO., LTD.
- Yukio Kohmura
- C03 - GLASS MINERAL OR SLAG WOOL

Yukio Kohmura

Person

Patents Grantslast 30 patents

Porous preform vitrification apparatus

Method of heating and processing an end of an optical fiber preform...

Apparatus and method for production of a porous optical fiber preform

Optical fiber preform suspending and supporting apparatus and optic...

Production apparatus for producing an optical fiber cable

Vapor phase growth system and a gas-drive motor

Method and system for forming and inspecting an electroconductive f...

Method and system for inspection of electroconductive film using ed...

Optical fiber soot synthesis apparatus

Method of forming a thin film by plasma CVD and apapratus for formi...

Patents Applicationslast 30 patents

Method of producing optical fiber preform and sintering apparatus

Optical fiber preform suspending and supporting apparatus and opica...

Porous preform vitrification apparatus

Method for maintaining quality of optical fiber preform and storage...

Method of heating and processing an end of an optical fiber preform...