Toshikazu Umemura

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Production method of polycarbonate resin pellets
- Patent number 5,717,055
- Issue date Feb 10, 1998
- Mitsubishi Gas Chemical Company, Ltd.
- Tatsuhide Hosomi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Graft precursor and process for producing grafted aromatic polycarb...
- Patent number 5,438,108
- Issue date Aug 1, 1995
- Mitsubishi Gas Chemical Company, Inc.
- Toshikazu Umemura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for preparing a thermal transfer image-receiving sheet invol...
- Patent number 5,427,998
- Issue date Jun 27, 1995
- Mitsubishi Gas Chemical Co., Ltd.
- Toshikazu Umemura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Process for producing grafted polycarbonate resin
- Patent number 5,426,159
- Issue date Jun 20, 1995
- Mitsubishi Gas Chemical Company, Inc.
- Toshikazu Umemura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing halogenated polycarbonate molded article
- Patent number 5,244,605
- Issue date Sep 14, 1993
- Mitsubishi Gas Chemical Co., Inc.
- Toshikazu Umemura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of coloring polycarbonate extruded or molded products for op...
- Patent number 5,116,547
- Issue date May 26, 1992
- Mitsubishi Gas Chemical Co.
- Shuji Tsukahara
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing a low-particle-content transparent thermoplas...
- Patent number 5,095,049
- Issue date Mar 10, 1992
- Mitsubishi Gas Chemical Co., Inc.
- Kenji Maeda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing low-dust-level polycarbonate molded article
- Patent number 5,073,313
- Issue date Dec 17, 1991
- Mitsubishi Gas Chemical Co., Ltd.
- Toshikazu Umemura
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for producing purified polycarbonate resin with fluid contai...
- Patent number 4,918,160
- Issue date Apr 17, 1990
- Mitsubishi Gas Chemical Company, Inc.
- Shigeo Kondoh
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polycarbonate resin molding material having l...
- Patent number 4,845,193
- Issue date Jul 4, 1989
- Mitsubishi Gas Chemical Co., Inc.
- Toshikazu Umemura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing oxymethylene copolyer
- Patent number 4,681,927
- Issue date Jul 21, 1987
- Mitsubishi Gas Chemical Company, Inc.
- Toshikazu Umemura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Acetal resin composition
- Patent number 4,526,921
- Issue date Jul 2, 1985
- Mitsubishi Gas Chemical Company, Inc.
- Masanori Sakurai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Acetal resin composition
- Patent number 4,506,053
- Issue date Mar 19, 1985
- Mitsubishi Gas Chemical Co., Inc.
- Masanori Sakurai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for heat stabilizing oxymethylene copolymers
- Patent number 4,366,305
- Issue date Dec 28, 1982
- Mitsubishi Gas Chemical Company, Inc.
- Akira Amemiya
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for continuously polymerizing trioxane
- Patent number 4,343,929
- Issue date Aug 10, 1982
- Mitsubishi Gas Chemical Co., Inc.
- Akitoshi Sugio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for continuous production of oxymethylene polymer or copolymer
- Patent number 4,339,569
- Issue date Jul 13, 1982
- Mitsubishi Gas Chemical Co., Inc.
- Akitoshi Sugio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for stabilizing oxymethylene copolymers
- Patent number 4,301,273
- Issue date Nov 17, 1981
- Mitsubishi Gas Chemical Company, Inc.
- Akitoshi Sugio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for polymerizing trioxane
- Patent number 4,189,565
- Issue date Feb 19, 1980
- Mitsubishi Gas Chemical Company, Inc.
- Akitoshi Sugio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for continuous production of oxymethylene polymers
- Patent number 4,115,369
- Issue date Sep 19, 1978
- Mitsubishi Gas Chemical Company, Inc.
- Akitoshi Sugio
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Toshikazu Umemura

Person

Patents Grantslast 30 patents

Production method of polycarbonate resin pellets

Graft precursor and process for producing grafted aromatic polycarb...

Method for preparing a thermal transfer image-receiving sheet invol...

Process for producing grafted polycarbonate resin

Process for producing halogenated polycarbonate molded article

Method of coloring polycarbonate extruded or molded products for op...

Process for producing a low-particle-content transparent thermoplas...

Process for producing low-dust-level polycarbonate molded article

Method for producing purified polycarbonate resin with fluid contai...

Process for producing polycarbonate resin molding material having l...

Process for producing oxymethylene copolyer

Acetal resin composition

Acetal resin composition

Process for heat stabilizing oxymethylene copolymers

Process for continuously polymerizing trioxane

Process for continuous production of oxymethylene polymer or copolymer

Process for stabilizing oxymethylene copolymers

Process for polymerizing trioxane

Process for continuous production of oxymethylene polymers