Masahisa Kosaka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Plastic lens and process for preparing the lens
- Patent number 7,261,845
- Issue date Aug 28, 2007
- Hoya Corporation
- Shinsuke Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing plastic lens and plastic lens
- Patent number 7,101,953
- Issue date Sep 5, 2006
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Plastic lenses for spectacles
- Patent number 7,091,301
- Issue date Aug 15, 2006
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical materials having good ultraviolet absorbability and method...
- Patent number 7,009,025
- Issue date Mar 7, 2006
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing plastic lens and plastic lens
- Patent number 7,001,974
- Issue date Feb 21, 2006
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Plastic lenses for spectacles
- Patent number 6,743,886
- Issue date Jun 1, 2004
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical materials having good ultraviolet absorbability and method...
- Patent number 6,673,888
- Issue date Jan 6, 2004
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical materials having good ultraviolet absorbability and method...
- Patent number 6,448,304
- Issue date Sep 10, 2002
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Optical materials having good ultraviolet absorbability and method...
- Patent number 6,441,119
- Issue date Aug 27, 2002
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polyurethane lens
- Patent number 6,274,694
- Issue date Aug 14, 2001
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process of producing polythiol oligomer
- Patent number 5,961,889
- Issue date Oct 5, 1999
- Hoya Corporation
- Jian Jiang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of polyurethane lens
- Patent number 5,744,568
- Issue date Apr 28, 1998
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of polyurethane lens
- Patent number 5,635,580
- Issue date Jun 3, 1997
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymer for optical products and process for preparation thereof
- Patent number 5,294,666
- Issue date Mar 15, 1994
- Hoya Corporation
- Reisuke Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Anti-reflection optical element
- Patent number 5,181,141
- Issue date Jan 19, 1993
- Hoya Corporation
- Koji Sato
- G02 - OPTICS
Information Patent Grant
Process for producing polyurethane lens
- Patent number 4,975,328
- Issue date Dec 4, 1990
- Hoya Corporation
- Yoshiro Hirose
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
PROCESS OF PRODUCING PLASTIC LENS AND PLASTIC LENS
- Publication number 20100093970
- Publication date Apr 15, 2010
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Plastic lens and process for preparing the lens
- Publication number 20070141355
- Publication date Jun 21, 2007
- Hoya Corporation
- Masahisa Kosaka
- G02 - OPTICS
Information Patent Application
Plastic lens and process for preparing the lens
- Publication number 20050068492
- Publication date Mar 31, 2005
- Shinsuke Itoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process of producing plastic lens and plastic lens
- Publication number 20050062932
- Publication date Mar 24, 2005
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Plastic lens and process for preparing the lens
- Publication number 20050046967
- Publication date Mar 3, 2005
- Masahisa Kosaka
- G02 - OPTICS
Information Patent Application
Plastic lenses for spectacles
- Publication number 20040220370
- Publication date Nov 4, 2004
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Optical materials having good ultraviolet absorbability and method...
- Publication number 20040141230
- Publication date Jul 22, 2004
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for producing plastic lens and plastic lens
- Publication number 20030225202
- Publication date Dec 4, 2003
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for producing plastic lens and plastic lens
- Publication number 20030194487
- Publication date Oct 16, 2003
- Hoya Corporation
- Masahisa Kosaka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Optical materials having good ultraviolet absorbability and method...
- Publication number 20020132954
- Publication date Sep 19, 2002
- Masahisa Kosaka
- G02 - OPTICS
Information Patent Application
Plastic lenses for spectacles
- Publication number 20010030734
- Publication date Oct 18, 2001
- Hoya Corporation
- Masahisa Kosaka
- G02 - OPTICS

Masahisa Kosaka

Person

Patents Grantslast 30 patents

Plastic lens and process for preparing the lens

Process for producing plastic lens and plastic lens

Plastic lenses for spectacles

Optical materials having good ultraviolet absorbability and method...

Process for producing plastic lens and plastic lens

Plastic lenses for spectacles

Optical materials having good ultraviolet absorbability and method...

Optical materials having good ultraviolet absorbability and method...

Optical materials having good ultraviolet absorbability and method...

Process for the production of polyurethane lens

Process of producing polythiol oligomer

Process for the production of polyurethane lens

Process for the production of polyurethane lens

Polymer for optical products and process for preparation thereof

Anti-reflection optical element

Process for producing polyurethane lens

Patents Applicationslast 30 patents

PROCESS OF PRODUCING PLASTIC LENS AND PLASTIC LENS

Plastic lens and process for preparing the lens

Plastic lens and process for preparing the lens

Process of producing plastic lens and plastic lens

Plastic lens and process for preparing the lens

Plastic lenses for spectacles

Optical materials having good ultraviolet absorbability and method...

Process for producing plastic lens and plastic lens

Process for producing plastic lens and plastic lens

Optical materials having good ultraviolet absorbability and method...

Plastic lenses for spectacles