Naoki Yoshioka

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of fabricating optical fiber preforms
- Patent number 4,915,717
- Issue date Apr 10, 1990
- Tokyo Nippon Telegraph Public Corporation
- Minoru Watanabe
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for producing glass preform for optical fiber containing flu...
- Patent number 4,880,452
- Issue date Nov 14, 1989
- Sumitomo Electric Industries, Ltd.
- Hiroo Kanamori
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for production of glass preform for optical fibers
- Patent number 4,812,155
- Issue date Mar 14, 1989
- Nippon Telegraph & Telephone Public Corporation
- Michihisa Kyoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for the production of optical fiber preforms
- Patent number 4,797,143
- Issue date Jan 10, 1989
- Nippon Telegraph & Telephone Public Corporation
- Kazunori Chida
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for producing glass preform for single mode optical fiber
- Patent number 4,675,040
- Issue date Jun 23, 1987
- Sumitomo Electric Industries, Ltd.
- Gotaro Tanaka
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for the production of glass preform for optical fibers
- Patent number 4,586,943
- Issue date May 6, 1986
- Sumitomo Electric Industries, Ltd.
- Michihisa Kyoto
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
System for producing an optical fiber preform with gas volume control
- Patent number 4,421,540
- Issue date Dec 20, 1983
- Nippon Telegraph & Telephone Public Corporation
- Motohiro Nakahara
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing optical fiber preform and apparatus therefor
- Patent number 4,419,116
- Issue date Dec 6, 1983
- Nippon Telegraph & Telephone Public Corporation
- Motohiro Nakahara
- C03 - GLASS MINERAL OR SLAG WOOL

Naoki Yoshioka

Person

Patents Grantslast 30 patents

Method of fabricating optical fiber preforms

Method for producing glass preform for optical fiber containing flu...

Method for production of glass preform for optical fibers

Process for the production of optical fiber preforms

Method for producing glass preform for single mode optical fiber

Method for the production of glass preform for optical fibers

System for producing an optical fiber preform with gas volume control

Process for producing optical fiber preform and apparatus therefor