Tetsuro Izumitani

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method for fabricating preforms for molded lenses
- Patent number 5,665,135
- Issue date Sep 9, 1997
- Tetsuro Izumitani
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process of removing platinum inclusions from laser glass
- Patent number 4,919,699
- Issue date Apr 24, 1990
- Hoya Corporation
- Michimasa Matsukawa
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method for making contact lens hydrophilic
- Patent number 4,892,402
- Issue date Jan 9, 1990
- Hoya Corporation
- Takeyuki Sawamoto
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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
Silicophosphate laser glass
- Patent number 4,820,662
- Issue date Apr 11, 1989
- Hoya Corporation
- Tetsuro Izumitani
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process of surface treating laser glass
- Patent number 4,816,049
- Issue date Mar 28, 1989
- Hoya Corporation
- Chiemi Hata
- 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
Method of molding glass body
- Patent number 4,778,505
- Issue date Oct 18, 1988
- Hoya Corporation
- Shinichiro Hirota
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process for producing transparent glass product having refractive i...
- Patent number 4,767,435
- Issue date Aug 30, 1988
- Hoya Corporation
- Shigeaki Omi
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Fluoride glass
- Patent number 4,761,387
- Issue date Aug 2, 1988
- Hoya Corporation
- Minoru Tokida
- G02 - OPTICS
Information Patent Grant
Method of molding optical lenses
- Patent number 4,738,703
- Issue date Apr 19, 1988
- Tetsuro Izumitani
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of manufacturing pressed lenses
- Patent number 4,629,489
- Issue date Dec 16, 1986
- Hoya Corporation
- Shinichiro Hirota
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
High-hydration contact lens
- Patent number 4,625,009
- Issue date Nov 25, 1986
- Hoya Corporation
- Tetsuro Izumitani
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of optical pumping of erbium-doped laser material and appara...
- Patent number 4,589,118
- Issue date May 13, 1986
- Hoya Corporation
- Teiichi Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method and apparatus for melting glass
- Patent number 4,549,895
- Issue date Oct 29, 1985
- Hoya Corporation
- Tetsuro Izumitani
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Faraday rotation glass
- Patent number 4,415,464
- Issue date Nov 15, 1983
- Hoya Corporation
- Yoshiyuki Asahara
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Coated phosphate glass
- Patent number 4,363,852
- Issue date Dec 14, 1982
- Hoya Corporation
- Yuji Nakajima
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Method of preventing tarnishing of polished glass articles
- Patent number 4,277,523
- Issue date Jul 7, 1981
- Hoya Glass Works, Ltd.
- Tetsuro Izumitani
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Phosphate base laser glasses
- Patent number 4,239,645
- Issue date Dec 16, 1980
- Hoya Glass Works, Ltd.
- Tetsuro Izumitani
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Fluorophosphate-base laser glasses
- Patent number 4,120,814
- Issue date Oct 17, 1978
- Hoya Corporation
- Tetsuro Izumitani
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Process of producing soft aperture filter
- Patent number 4,108,621
- Issue date Aug 22, 1978
- Hoya Glass Works, Ltd.
- Yoshiyuki Asahara
- G02 - OPTICS
Information Patent Grant
Optical phosphate glass in which the length of the light path is te...
- Patent number 4,108,673
- Issue date Aug 22, 1978
- Hoya Corporation
- Hisayoshi Toratani
- C03 - GLASS MINERAL OR SLAG WOOL

Tetsuro Izumitani

Person

Patents Grantslast 30 patents

Method for fabricating preforms for molded lenses

Process of removing platinum inclusions from laser glass

Method for making contact lens hydrophilic

Single mode phosphate laser glass fiber

Silicophosphate laser glass

Process of surface treating laser glass

Method for melting fluorophosphate glass

Method of molding glass body

Process for producing transparent glass product having refractive i...

Fluoride glass

Method of molding optical lenses

Method of manufacturing pressed lenses

High-hydration contact lens

Method of optical pumping of erbium-doped laser material and appara...

Method and apparatus for melting glass

Faraday rotation glass

Coated phosphate glass

Method of preventing tarnishing of polished glass articles

Phosphate base laser glasses

Fluorophosphate-base laser glasses

Process of producing soft aperture filter

Optical phosphate glass in which the length of the light path is te...