Kazuaki Yoshida

Person

Chiba, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a porous preform for an optical fiber
- Patent number 5,711,903
- Issue date Jan 27, 1998
- The Furukawa Electric Co., Ltd.
- Takeshi Yagi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Optical fiber and process of producing the same
- Patent number 5,615,295
- Issue date Mar 25, 1997
- The Furukawa Electric Co., Ltd.
- Kazuaki Yoshida
- G02 - OPTICS
Information Patent Grant
Method of manufacturing optical fiber preform
- Patent number 5,352,259
- Issue date Oct 4, 1994
- The Furukawa Electric Co., Ltd.
- Masato Oku
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus for forming porous preform used to fabricate optical fiber
- Patent number 5,318,432
- Issue date Jun 7, 1994
- The Furukawa Electric Co., Ltd.
- Takeshi Yagi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for manufacturing optical fiber preform
- Patent number 5,314,520
- Issue date May 24, 1994
- The Furukawa Electric Co., Ltd.
- Takeshi Yagi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing a silica glass preform
- Patent number 5,244,485
- Issue date Sep 14, 1993
- The Furukawa Electric Co., Ltd.
- Hiroshi Hihara
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for manufacturing a silica-base material for optical fiber
- Patent number 5,185,020
- Issue date Feb 9, 1993
- The Furukawa Electric Co., Ltd.
- Tsuguo Satoh
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing silica glass optical waveguide preform
- Patent number 5,169,421
- Issue date Dec 8, 1992
- The Furukawa Electric Co., Ltd.
- Takeshi Yagi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of producing rod-shaped base material for optical transmissi...
- Patent number 4,421,539
- Issue date Dec 20, 1983
- Nippon Telegraph & Telephone Public Corporation
- Tadao Edahiro
- C03 - GLASS MINERAL OR SLAG WOOL

Kazuaki Yoshida

Person

Patents Grantslast 30 patents

Method of manufacturing a porous preform for an optical fiber

Optical fiber and process of producing the same

Method of manufacturing optical fiber preform

Apparatus for forming porous preform used to fabricate optical fiber

Method for manufacturing optical fiber preform

Method of manufacturing a silica glass preform

Method for manufacturing a silica-base material for optical fiber

Method of manufacturing silica glass optical waveguide preform

Method of producing rod-shaped base material for optical transmissi...