Toshiharu Yamashita

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Glass polarizer and manufacturing method thereof
- Patent number 8,063,999
- Issue date Nov 22, 2011
- Okamoto Glass Co., Ltd.
- Khaled Jabri
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Polarizing glass and preparation method thereof
- Patent number 6,777,359
- Issue date Aug 17, 2004
- Hoya Corporation
- Toshiharu Yamashita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Chalcogenide glass fiber
- Patent number 6,074,968
- Issue date Jun 13, 2000
- Hoya Corporation
- Yoshitaka Yoneda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing preform for glass fiber and process for produ...
- Patent number 5,958,103
- Issue date Sep 28, 1999
- Hoya Corporation
- Yoshitaka Yoneda
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing preform for nonoxide glass fiber
- Patent number 5,185,021
- Issue date Feb 9, 1993
- Hoya Corporation
- Kiyotaka Miura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Single mode phosphate laser glass fiber
- Patent number 4,871,230
- Issue date Oct 3, 1989
- Hoya Corporation
- Toshiharu Yamashita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Halide glass
- Patent number 4,845,057
- Issue date Jul 4, 1989
- Hoya Corporation
- Kiyotaka Miura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for melting fluorophosphate glass
- Patent number 4,806,138
- Issue date Feb 21, 1989
- Hoya Corporation
- Kiyotaka Miura
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Photochromatic gradient lens having two colortones and process for...
- Patent number 4,794,435
- Issue date Dec 27, 1988
- Hoya Corporation
- Tetsuo Suzuki
- G02 - OPTICS
Information Patent Grant
Fluoride glass
- Patent number 4,761,387
- Issue date Aug 2, 1988
- Hoya Corporation
- Minoru Tokida
- G02 - OPTICS
Information Patent Grant
Faraday rotation single-mode optical fiber
- Patent number 4,726,652
- Issue date Feb 23, 1988
- Hoya Corporation
- Hidemi Tajima
- G02 - OPTICS
Information Patent Grant
Contrast enhancement filter for color CRT display devices
- Patent number 4,521,524
- Issue date Jun 4, 1985
- Hoya Corporation
- Toshiharu Yamashita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for exposure of chemically machinable light-sensitive glass
- Patent number 4,444,616
- Issue date Apr 24, 1984
- Hoya Corporation
- Yoshimi Fujita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of exposure of chemically machineable light-sensitive glass
- Patent number 4,390,391
- Issue date Jun 28, 1983
- Hoya Corporation
- Yoshimi Fujita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Antiblurring glass
- Patent number 4,305,757
- Issue date Dec 15, 1981
- Hoya Corporation
- Toshiharu Yamashita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Near infrared absorption filter for color television cameras
- Patent number 4,303,298
- Issue date Dec 1, 1981
- Hoya Corporation
- Toshiharu Yamashita
- G02 - OPTICS
Information Patent Grant
Glass filter for contrast enhancement in CRT displays
- Patent number 4,288,250
- Issue date Sep 8, 1981
- Hoya Corporation
- Toshiharu Yamashita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Green colored filter glass
- Patent number 4,110,245
- Issue date Aug 29, 1978
- Hoya Corporation
- Toshiharu Yamashita
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Filter glass
- Patent number 4,105,577
- Issue date Aug 8, 1978
- Hoya Corporation
- Toshiharu Yamashita
- C03 - GLASS MINERAL OR SLAG WOOL

Patents Applicationslast 30 patents

Information Patent Application
Glass Polarizer and Manufacturing Method Thereof
- Publication number 20100134705
- Publication date Jun 3, 2010
- Khaled Jabri
- G02 - OPTICS
Information Patent Application
Polarizing glass and preparation method thereof
- Publication number 20030064875
- Publication date Apr 3, 2003
- Hoya Corporation
- Toshiharu Yamashita
- C03 - GLASS MINERAL OR SLAG WOOL

Toshiharu Yamashita

Person

Patents Grantslast 30 patents

Glass polarizer and manufacturing method thereof

Polarizing glass and preparation method thereof

Chalcogenide glass fiber

Process for producing preform for glass fiber and process for produ...

Method of manufacturing preform for nonoxide glass fiber

Single mode phosphate laser glass fiber

Halide glass

Method for melting fluorophosphate glass

Photochromatic gradient lens having two colortones and process for...

Fluoride glass

Faraday rotation single-mode optical fiber

Contrast enhancement filter for color CRT display devices

Method for exposure of chemically machinable light-sensitive glass

Method of exposure of chemically machineable light-sensitive glass

Antiblurring glass

Near infrared absorption filter for color television cameras

Glass filter for contrast enhancement in CRT displays

Green colored filter glass

Filter glass

Patents Applicationslast 30 patents

Glass Polarizer and Manufacturing Method Thereof

Polarizing glass and preparation method thereof