Takeshi Koyama

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Epoxy resin composition, cured object obtained therefrom, and light...
- Patent number 9,102,786
- Issue date Aug 11, 2015
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyurethane resin composition
- Patent number 8,394,501
- Issue date Mar 12, 2013
- Mitsubishi Gas Chemical Company, Inc.
- Shun Ogawa
- B32 - LAYERED PRODUCTS
Information Patent Grant
Fuel system having excellent gasoline barrier property
- Patent number 8,389,082
- Issue date Mar 5, 2013
- Mitsubishi Gas Chemical Company, Inc.
- Takaaki Kutsuna
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Fuel system having excellent gasoline barrier property
- Patent number 8,092,879
- Issue date Jan 10, 2012
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Nomura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Acid anhydride ester and composition thereof, and heat-curable resi...
- Patent number 8,034,962
- Issue date Oct 11, 2011
- Mitsubishi Gas Chemical Company, Inc.
- Tomohiro Sugawara
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Modified cyclic aliphatic polyamine
- Patent number 7,572,877
- Issue date Aug 11, 2009
- Mitsubishi Gaschemical Company, Inc.
- Takeshi Koyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Gas-barriering coated film
- Patent number 7,534,493
- Issue date May 19, 2009
- Mitsubishi Gas Chemical Co., LTD.
- Takeshi Nomura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified chain aliphatic polyamine
- Patent number 7,473,806
- Issue date Jan 6, 2009
- Mitsubishi Gas Chemical Company, Inc.
- Masatoshi Echigo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Curing epoxy resin with aliphatic diamine-styrene product and carbo...
- Patent number 7,414,097
- Issue date Aug 19, 2008
- Mitsubishi Gas Chemical Company, Inc.
- Hisayuki Kuwahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Epoxy resin curing agent of aliphatic diamine/styrene addition product
- Patent number 7,396,902
- Issue date Jul 8, 2008
- Mitsubishi Gas Chemical Company, Inc.
- Hisayuki Kuwahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process of producing hollow shaped articles
- Patent number 7,387,699
- Issue date Jun 17, 2008
- Mitsubishi Gas Chemical Company, Inc.
- Ryuji Ideno
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Cyclohexanetricarboxylic monoester and its use
- Patent number 7,323,522
- Issue date Jan 29, 2008
- Mitsubishi Gas Chemical Company, Inc.
- Ryuji Ideno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Modified cyclic aliphatic polyamine
- Patent number 7,301,053
- Issue date Nov 27, 2007
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Koyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Pneumatic tire
- Patent number 7,240,708
- Issue date Jul 10, 2007
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Nomura
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Process for producing an amino composition
- Patent number 7,157,606
- Issue date Jan 2, 2007
- Mitsubishi Gas Chemical Company, Inc.
- Masatoshi Echigo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Modified polyoxyalkylene polyamine
- Patent number 7,109,289
- Issue date Sep 19, 2006
- Mitsubishi Gas Chemical Company, Inc.
- Masatoshi Echigo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Heat-curable resin composition and use thereof
- Patent number 7,098,258
- Issue date Aug 29, 2006
- Mitsubishi Gas Chemical Company, Inc.
- Ryuji Ideno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Gas barrier(meth)acrylate resin cured product
- Patent number 7,087,695
- Issue date Aug 8, 2006
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyisocyanate compound, process for producing the compound, polyad...
- Patent number 7,060,758
- Issue date Jun 13, 2006
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Gas-barrier polyurethane resin, and adhesive for laminate, gas-barr...
- Patent number 6,887,966
- Issue date May 3, 2005
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Nomura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyisocyanate prepolymer
- Patent number 6,262,296
- Issue date Jul 17, 2001
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Nomura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing bistrimellitic imide
- Patent number 5,182,392
- Issue date Jan 26, 1993
- Mitsubishi Gas Chemical Company, Inc.
- Hiroka Tanisake
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Naphthalene compounds
- Patent number 5,151,549
- Issue date Sep 29, 1992
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Koyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Melt-processable copolyesterimide composed of bis-trimellitimide units
- Patent number 5,147,962
- Issue date Sep 15, 1992
- Mitsubishi Gas Chemical Company, Inc.
- Hiroka Tanisake
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Naphthalene compounds
- Patent number 5,146,025
- Issue date Sep 8, 1992
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Koyama
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing silicon nitride, silicon carbide or fine powd...
- Patent number 4,613,490
- Issue date Sep 23, 1986
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Suzuki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Fine amorphous powder and process for preparing fine powdery mixtur...
- Patent number 4,594,330
- Issue date Jun 10, 1986
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Suzuki
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

Information Patent Application
EPOXY RESIN COMPOSITION, CURED OBJECT OBTAINED THEREFROM, AND LIGHT...
- Publication number 20100193831
- Publication date Aug 5, 2010
- Mitsubishi Gas Chemical Company, Inc.
- Takashi Sato
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYURETHANE RESIN COMPOSITION
- Publication number 20100189937
- Publication date Jul 29, 2010
- Mitsubishi Gas Chemical Company, Inc.
- Shun Ogawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
GAS-BARRIER CONTAINERS
- Publication number 20090324865
- Publication date Dec 31, 2009
- Takeshi Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Modified cyclic aliphatic polyamine
- Publication number 20080090990
- Publication date Apr 17, 2008
- Takeshi Koyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Acid Anhydride Ester and Composition Thereof, and Heat-Curable Resi...
- Publication number 20080039591
- Publication date Feb 14, 2008
- Tomohiro Sugawara
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Low-temperature curable epoxy resin curing agent and epoxy resin co...
- Publication number 20070155915
- Publication date Jul 5, 2007
- Hisayuki Kuwahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Gas-barriering coated film
- Publication number 20070003768
- Publication date Jan 4, 2007
- Takeshi Nomura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyisocyanate compound, process for producing the compound, polyad...
- Publication number 20060128926
- Publication date Jun 15, 2006
- Takeshi Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process of producing hollow shaped articles
- Publication number 20060042749
- Publication date Mar 2, 2006
- Ryuji Ideno
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Gas-barrier containers
- Publication number 20050158494
- Publication date Jul 21, 2005
- Takeshi Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Cyclohexanetricarboxylic monoester and its use
- Publication number 20050070687
- Publication date Mar 31, 2005
- Ryuji Ideno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for producing an amino composition
- Publication number 20050038298
- Publication date Feb 17, 2005
- Masatoshi Echigo
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Gas barrier (meth)acrylate resin cured product
- Publication number 20050032928
- Publication date Feb 10, 2005
- Mitsubishi Gas Chemical Company, Inc.
- Takeshi Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Heat-curable resin composition and use thereof
- Publication number 20040266980
- Publication date Dec 30, 2004
- Ryuji Ideno
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Modified polyoxyalkylene polyamine
- Publication number 20040210011
- Publication date Oct 21, 2004
- Masatoshi Echigo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Polyisocyanate compound, process for producing the compound, polyad...
- Publication number 20040185264
- Publication date Sep 23, 2004
- Takeshi Koyama
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Gas-barriering coated film
- Publication number 20040185266
- Publication date Sep 23, 2004
- Takeshi Nomura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Modified chain aliphatic polyamine
- Publication number 20040171791
- Publication date Sep 2, 2004
- Masatoshi Echigo
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Low-temperature curable epoxy resin curing agent and epoxy resin co...
- Publication number 20040171770
- Publication date Sep 2, 2004
- Hisayuki Kuwahara
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Pneumatic tire
- Publication number 20040140033
- Publication date Jul 22, 2004
- Takeshi Nomura
- B60 - VEHICLES IN GENERAL
Information Patent Application
Modified cyclic aliphatic polyamine
- Publication number 20040106684
- Publication date Jun 3, 2004
- Takeshi Koyama
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Fuel system having excellent gasoline barrier property
- Publication number 20040081787
- Publication date Apr 29, 2004
- Takeshi Nomura
- B60 - VEHICLES IN GENERAL
Information Patent Application
Fuel system having excellent gasoline barrier property
- Publication number 20030235668
- Publication date Dec 25, 2003
- Takaaki Kutsuna
- B60 - VEHICLES IN GENERAL
Information Patent Application
Gas-barrier polyurethane resin, and adhesive for laminate, gas-barr...
- Publication number 20030229194
- Publication date Dec 11, 2003
- Takeshi Nomura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Takeshi Koyama

Person

Patents Grantslast 30 patents

Epoxy resin composition, cured object obtained therefrom, and light...

Polyurethane resin composition

Fuel system having excellent gasoline barrier property

Fuel system having excellent gasoline barrier property

Acid anhydride ester and composition thereof, and heat-curable resi...

Modified cyclic aliphatic polyamine

Gas-barriering coated film

Modified chain aliphatic polyamine

Curing epoxy resin with aliphatic diamine-styrene product and carbo...

Epoxy resin curing agent of aliphatic diamine/styrene addition product

Process of producing hollow shaped articles

Cyclohexanetricarboxylic monoester and its use

Modified cyclic aliphatic polyamine

Pneumatic tire

Process for producing an amino composition

Modified polyoxyalkylene polyamine

Heat-curable resin composition and use thereof

Gas barrier(meth)acrylate resin cured product

Polyisocyanate compound, process for producing the compound, polyad...

Gas-barrier polyurethane resin, and adhesive for laminate, gas-barr...

Polyisocyanate prepolymer

Process for producing bistrimellitic imide

Naphthalene compounds

Melt-processable copolyesterimide composed of bis-trimellitimide units

Naphthalene compounds

Process for preparing silicon nitride, silicon carbide or fine powd...

Fine amorphous powder and process for preparing fine powdery mixtur...

Patents Applicationslast 30 patents

EPOXY RESIN COMPOSITION, CURED OBJECT OBTAINED THEREFROM, AND LIGHT...

POLYURETHANE RESIN COMPOSITION

GAS-BARRIER CONTAINERS

Modified cyclic aliphatic polyamine

Acid Anhydride Ester and Composition Thereof, and Heat-Curable Resi...

Low-temperature curable epoxy resin curing agent and epoxy resin co...

Gas-barriering coated film

Polyisocyanate compound, process for producing the compound, polyad...

Process of producing hollow shaped articles

Gas-barrier containers

Cyclohexanetricarboxylic monoester and its use

Process for producing an amino composition

Gas barrier (meth)acrylate resin cured product

Heat-curable resin composition and use thereof

Modified polyoxyalkylene polyamine

Polyisocyanate compound, process for producing the compound, polyad...

Gas-barriering coated film

Modified chain aliphatic polyamine

Low-temperature curable epoxy resin curing agent and epoxy resin co...

Pneumatic tire

Modified cyclic aliphatic polyamine

Fuel system having excellent gasoline barrier property

Fuel system having excellent gasoline barrier property

Gas-barrier polyurethane resin, and adhesive for laminate, gas-barr...