Hirohito Ishizuka

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Resin produced by polycondensation, and resin composition
- Patent number 11,370,882
- Issue date Jun 28, 2022
- Mitsubishi Gas Chemical Company, Inc.
- Noriyuki Kato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin produced by polycondensation, and resin composition
- Patent number 10,689,486
- Issue date Jun 23, 2020
- Mitsubishi Gas Chemical Company, Inc.
- Noriyuki Kato
- G02 - OPTICS
Information Patent Grant
Polycarbonate resin composition, and optical material and optical l...
- Patent number 9,982,129
- Issue date May 29, 2018
- Mitsubishi Gas Chemical Company, Inc.
- Hirohito Ishizuka
- G02 - OPTICS
Information Patent Grant
Method for producing composition for optical material
- Patent number 9,458,293
- Issue date Oct 4, 2016
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Aoki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polycarbonate resin, production method therefor, and optical molded...
- Patent number 9,360,593
- Issue date Jun 7, 2016
- Mitsubishi Gas Chemical Company, Inc.
- Hirohito Ishizuka
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyformal resin copolymer and method for producing the same
- Patent number 9,321,887
- Issue date Apr 26, 2016
- Mitsubishi Gas Chemical Company, Inc.
- Munenori Shiratake
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Composition for use in optical material with high refractive index...
- Patent number 9,150,694
- Issue date Oct 6, 2015
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Aoki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin composition for optical member and optical member obtained fr...
- Patent number 8,389,671
- Issue date Mar 5, 2013
- Mitsubishi Gas Chemical Company, Inc.
- Motoharu Takeuchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
RESIN PRODUCED BY POLYCONDENSATION, AND RESIN COMPOSITION
- Publication number 20220282038
- Publication date Sep 8, 2022
- Mitsubishi Gas Chemical Company, Inc.
- Noriyuki KATO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RESIN PRODUCED BY POLYCONDENSATION, AND RESIN COMPOSITION
- Publication number 20200190259
- Publication date Jun 18, 2020
- Mitsubishi Gas Chemical Company, Inc.
- Noriyuki KATO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYCARBONATE RESIN COMPOSITION, AND OPTICAL MATERIAL AND OPTICAL L...
- Publication number 20170051146
- Publication date Feb 23, 2017
- Mitsubishi Gas Chemical Company, Inc.
- Hirohito ISHIZUKA
- G02 - OPTICS
Information Patent Application
POLYESTER RESIN, OPTICAL LENS, AND OPTICAL LENS SYSTEM
- Publication number 20170044311
- Publication date Feb 16, 2017
- Mitsubishi Gas Chemical Company, Inc.
- Noriyuki KATO
- G02 - OPTICS
Information Patent Application
RESIN PRODUCED BY POLYCONDENSATION, AND RESIN COMPOSITION
- Publication number 20170044312
- Publication date Feb 16, 2017
- Mitsubishi Gas Chemical Company, Inc.
- Noriyuki KATO
- G02 - OPTICS
Information Patent Application
POLYCARBONATE RESIN, PRODUCTION METHOD THEREFOR, AND OPTICAL MOLDED...
- Publication number 20150285954
- Publication date Oct 8, 2015
- Mitsubishi Gas Chemical Company, Inc.
- Hirohito Ishizuka
- G02 - OPTICS
Information Patent Application
POLYFORMAL RESIN COPOLYMER AND PRODUCTION METHOD
- Publication number 20150284510
- Publication date Oct 8, 2015
- Mitsubishi Gas Chemical Company, Inc.
- Munenori Shiratake
- G02 - OPTICS
Information Patent Application
METHOD FOR PRODUCING COMPOSITION FOR OPTICAL MATERIAL
- Publication number 20140378628
- Publication date Dec 25, 2014
- Takashi Aoki
- G02 - OPTICS
Information Patent Application
COMPOSITION FOR USE IN OPTICAL MATERIAL WITH HIGH REFRACTIVE INDEX...
- Publication number 20120142889
- Publication date Jun 7, 2012
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Aoki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
RESIN COMPOSITION FOR OPTICAL MEMBER AND OPTICAL MEMBER OBTAINED FR...
- Publication number 20100130661
- Publication date May 27, 2010
- Motoharu Takeuchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Hirohito Ishizuka

Person

Patents Grantslast 30 patents

Resin produced by polycondensation, and resin composition

Resin produced by polycondensation, and resin composition

Polycarbonate resin composition, and optical material and optical l...

Method for producing composition for optical material

Polycarbonate resin, production method therefor, and optical molded...

Polyformal resin copolymer and method for producing the same

Composition for use in optical material with high refractive index...

Resin composition for optical member and optical member obtained fr...

Patents Applicationslast 30 patents

RESIN PRODUCED BY POLYCONDENSATION, AND RESIN COMPOSITION

RESIN PRODUCED BY POLYCONDENSATION, AND RESIN COMPOSITION

POLYCARBONATE RESIN COMPOSITION, AND OPTICAL MATERIAL AND OPTICAL L...

POLYESTER RESIN, OPTICAL LENS, AND OPTICAL LENS SYSTEM

RESIN PRODUCED BY POLYCONDENSATION, AND RESIN COMPOSITION

POLYCARBONATE RESIN, PRODUCTION METHOD THEREFOR, AND OPTICAL MOLDED...

POLYFORMAL RESIN COPOLYMER AND PRODUCTION METHOD

METHOD FOR PRODUCING COMPOSITION FOR OPTICAL MATERIAL

COMPOSITION FOR USE IN OPTICAL MATERIAL WITH HIGH REFRACTIVE INDEX...

RESIN COMPOSITION FOR OPTICAL MEMBER AND OPTICAL MEMBER OBTAINED FR...