Kyohei Takakuwa

Person

Tokorozawa-city, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light control plastic lens, coated sheet-like light control element...
- Patent number 7,350,917
- Issue date Apr 1, 2008
- Ryozo Kawai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing aliphatic polyester carbonate
- Patent number 6,667,381
- Issue date Dec 23, 2003
- Mitsubishi Gas Chemical Co., Inc.
- Kyohei Takakuwa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic-aliphatic copolycarbonate and process for producing the same
- Patent number 6,376,641
- Issue date Apr 23, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Satoshi Nagai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aromatic-aliphatic copolycarbonate and process for producing the same
- Patent number 6,359,103
- Issue date Mar 19, 2002
- Mitsubishi Gas Chemical Company, Inc.
- Satoshi Nagai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin composition and molded article
- Patent number 6,262,184
- Issue date Jul 17, 2001
- Shimadzu Corporation
- Takeshi Kanamori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aliphatic polyester carbonate and process for producing the aliphat...
- Patent number 5,880,224
- Issue date Mar 9, 1999
- Mitsubishi Gas Chemical Company, Inc.
- Mitsuo Miura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Aliphatic polyester carbonate and process for producing the same
- Patent number 5,654,380
- Issue date Aug 5, 1997
- Mitsubishi Gas Chemical Company, Inc.
- Ryozo Kawai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCING MELANIN, MELANIN PRODUCED BY THE PROCESS, FUN...
- Publication number 20090317616
- Publication date Dec 24, 2009
- Ryozo Kawai
- G02 - OPTICS
Information Patent Application
MULTI-LAYERED POLARIZING SHEET, AND A NON-GLARING PRODUCT AND A POL...
- Publication number 20080252972
- Publication date Oct 16, 2008
- MGC FILSHEET CO., LTD.
- Hiroyuki CHIDA
- G02 - OPTICS
Information Patent Application
Light control plastic lens, coated sheet-like light control element...
- Publication number 20050168690
- Publication date Aug 4, 2005
- FUJI KASEI CO., LTD.
- Ryozo Kawai
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Process for producing aliphatic polyester carbonate
- Publication number 20030078364
- Publication date Apr 24, 2003
- Kyohei Takakuwa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
AROMATIC-ALIPHATIC COPOLYCARBONATE AND PROCESS FOR PRODUCING THE SAME
- Publication number 20020013445
- Publication date Jan 31, 2002
- SATOSHI NAGAI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Resin composition and molded article
- Publication number 20010051692
- Publication date Dec 13, 2001
- SHIMADZU CORPORATION
- Takeshi Kanamori
- A42 - HEADWEAR

Kyohei Takakuwa

Person

Patents Grantslast 30 patents

Light control plastic lens, coated sheet-like light control element...

Process for producing aliphatic polyester carbonate

Aromatic-aliphatic copolycarbonate and process for producing the same

Aromatic-aliphatic copolycarbonate and process for producing the same

Resin composition and molded article

Aliphatic polyester carbonate and process for producing the aliphat...

Aliphatic polyester carbonate and process for producing the same

Patents Applicationslast 30 patents

PROCESS FOR PRODUCING MELANIN, MELANIN PRODUCED BY THE PROCESS, FUN...

MULTI-LAYERED POLARIZING SHEET, AND A NON-GLARING PRODUCT AND A POL...

Light control plastic lens, coated sheet-like light control element...

Process for producing aliphatic polyester carbonate

AROMATIC-ALIPHATIC COPOLYCARBONATE AND PROCESS FOR PRODUCING THE SAME

Resin composition and molded article