Koichi Tokunaga

Person

Fukuoka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process for producing (poly)sulfide compound and process for produc...
- Patent number 10,844,010
- Issue date Nov 24, 2020
- Mitsui Chemicals, Inc.
- Koichi Tokunaga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification method of aldehyde compound
- Patent number 10,399,929
- Issue date Sep 3, 2019
- Mitsui Chemicals, Inc.
- Naoyuki Kakinuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification method of aldehyde compound
- Patent number 10,399,930
- Issue date Sep 3, 2019
- Mitsui Chemicals, Inc.
- Naoyuki Kakinuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Purification method of aldehyde compound
- Patent number 9,809,533
- Issue date Nov 7, 2017
- Mitsui Chemicals, Inc.
- Naoyuki Kakinuma
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation method of aldehyde compound with limited amount of acry...
- Patent number 9,487,475
- Issue date Nov 8, 2016
- Mitsui Chemicals, Inc.
- Koichi Tokunaga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation method of aldehyde compound using a metal compound and...
- Patent number 9,475,760
- Issue date Oct 25, 2016
- Mitsui Chemicals, Inc.
- Koichi Tokunaga
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyurethanes polymerizable composition and method for producing op...
- Patent number 8,772,441
- Issue date Jul 8, 2014
- Mitsui Chemicals, Inc.
- Shigetoshi Kuma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing dicyanonorbornane and zerovalent nickel compl...
- Patent number 8,183,404
- Issue date May 22, 2012
- Mitsui Chemicals, Inc.
- Norihiko Fukatsu
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESS FOR PRODUCING (POLY)SULFIDE COMPOUND AND PROCESS FOR PRODUC...
- Publication number 20190077751
- Publication date Mar 14, 2019
- Mitsui Chemicals, Inc.
- Koichi Tokunaga
- G02 - OPTICS
Information Patent Application
PURIFICATION METHOD OF ALDEHYDE COMPOUND
- Publication number 20180093944
- Publication date Apr 5, 2018
- Mitsui Chemicals, Inc.
- Naoyuki KAKINUMA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PURIFICATION METHOD OF ALDEHYDE COMPOUND
- Publication number 20180093945
- Publication date Apr 5, 2018
- Mitsui Chemicals, Inc.
- Naoyuki KAKINUMA
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PREPARATION METHOD OF ALDEHYDE COMPOUND
- Publication number 20150299109
- Publication date Oct 22, 2015
- Mitsui Chemicals, Inc.
- Koichi Tokunaga
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PREPARATION METHOD OF ALDEHYDE COMPOUND
- Publication number 20150299108
- Publication date Oct 22, 2015
- Mitsui Chemicals, Inc.
- Koichi Tokunaga
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PURIFICATION METHOD OF ALDEHYDE COMPOUND
- Publication number 20150291513
- Publication date Oct 15, 2015
- Mitsui Chemicals, Inc.
- Naoyuki Kakinuma
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ACID ESTER...
- Publication number 20110245531
- Publication date Oct 6, 2011
- MITSUI CHEMICALS, INC.
- Shigetoshi KUMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ACID ESTER...
- Publication number 20110065887
- Publication date Mar 17, 2011
- Mitsui Chemicals, Inc.
- Shigetoshi KUMA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for Producing Pentaerythritol Mercaptocarboxylic Acid Ester...
- Publication number 20090270583
- Publication date Oct 29, 2009
- MITSUI CHEMICALS, INC.
- Shigetoshi Kuma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING DICYANONORBORNANE AND ZEROVALENT NICKEL COMPL...
- Publication number 20090198082
- Publication date Aug 6, 2009
- Mitsui Chemicals , Inc.
- Norihiko Fukatsu
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Polyurethanes Polymerizable Composition And Method For Producing Op...
- Publication number 20070203318
- Publication date Aug 30, 2007
- Mitsui Chemicals, Inc.
- Shigetoshi Kuma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Koichi Tokunaga

Person

Patents Grantslast 30 patents

Process for producing (poly)sulfide compound and process for produc...

Purification method of aldehyde compound

Purification method of aldehyde compound

Purification method of aldehyde compound

Preparation method of aldehyde compound with limited amount of acry...

Preparation method of aldehyde compound using a metal compound and...

Polyurethanes polymerizable composition and method for producing op...

Process for producing dicyanonorbornane and zerovalent nickel compl...

Patents Applicationslast 30 patents

PROCESS FOR PRODUCING (POLY)SULFIDE COMPOUND AND PROCESS FOR PRODUC...

PURIFICATION METHOD OF ALDEHYDE COMPOUND

PURIFICATION METHOD OF ALDEHYDE COMPOUND

PREPARATION METHOD OF ALDEHYDE COMPOUND

PREPARATION METHOD OF ALDEHYDE COMPOUND

PURIFICATION METHOD OF ALDEHYDE COMPOUND

PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ACID ESTER...

PROCESS FOR PRODUCING PENTAERYTHRITOL MERCAPTOCARBOXYLIC ACID ESTER...

Process for Producing Pentaerythritol Mercaptocarboxylic Acid Ester...

PROCESS FOR PRODUCING DICYANONORBORNANE AND ZEROVALENT NICKEL COMPL...

Polyurethanes Polymerizable Composition And Method For Producing Op...