Kenichi KOYAKUMARU

Person

Okayama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Carbon material for nonaqueous electrolyte secondary battery and me...
- Patent number 10,573,891
- Issue date Feb 25, 2020
- Kuraray Co., Ltd.
- Makoto Imaji
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Carbonaceous material for negative electrodes of nonaqueous electro...
- Patent number 10,381,637
- Issue date Aug 13, 2019
- Kuraray Co., Ltd.
- Akira Koshima
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Carbonaceous material for negative electrodes of lithium ion capaci...
- Patent number 9,508,494
- Issue date Nov 29, 2016
- Kureha Corporation
- Naohiro Sonobe
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Carbonaceous material for negative electrodes of nonaqueous electro...
- Patent number 9,478,805
- Issue date Oct 25, 2016
- Kureha Corporation
- Yasuhiro Tada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing 2-substituted pyridine derivative
- Patent number 7,560,563
- Issue date Jul 14, 2009
- Kuraray Co., Ltd.
- Kenichi Koyakumaru
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing 5-(2′-pyridyl)-2-pyridone derivative
- Patent number 7,524,967
- Issue date Apr 28, 2009
- Kuraray Co., Ltd.
- Kenichi Koyakumaru
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing cyclopropane monoacetal derivative and interm...
- Patent number 7,358,400
- Issue date Apr 15, 2008
- Kuraray Co., Ltd.
- Kenichi Koyakumaru
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
CARBON MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND ME...
- Publication number 20170125811
- Publication date May 4, 2017
- Kureha Corporation
- Makoto Imaji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CARBONACEOUS MATERIAL FOR NEGATIVE ELECTRODES OF NONAQUEOUS ELECTRO...
- Publication number 20160268590
- Publication date Sep 15, 2016
- KURARAY CO., LTD.
- Akira KOSHIMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CARBONACEOUS MATERIAL FOR NEGATIVE ELECTRODES OF NONAQUEOUS ELECTRO...
- Publication number 20160064735
- Publication date Mar 3, 2016
- Kureha Corporation
- Yasuhiro TADA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CARBONACEOUS MATERIAL FOR NEGATIVE ELECTRODES OF LITHIUM ION CAPACI...
- Publication number 20150270072
- Publication date Sep 24, 2015
- Kureha Corporation
- Naohiro Sonobe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CARBON MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND ME...
- Publication number 20150263347
- Publication date Sep 17, 2015
- Kureha Corporation
- Makoto Imaji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PROCESS FOR PRODUCING (5ALPHA7ALPHA)-3-SPIRO-2'-(1',3'-DIOXOLAN)-24...
- Publication number 20090259038
- Publication date Oct 15, 2009
- KURARAY CO., LTD.
- Kenichi Koyakumaru
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for Producing 5Alpha-Pregnane Derivative
- Publication number 20070203106
- Publication date Aug 30, 2007
- Kuraray Co., Ltd
- Kenichi Koyakumaru
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for producing 5alpha-pregnane derivative
- Publication number 20070197490
- Publication date Aug 23, 2007
- Kuraray Co., Ltd
- Kenichi Koyakumaru
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for producing halogenated unsaturated carbonyl compound
- Publication number 20070197836
- Publication date Aug 23, 2007
- Kuraray Co., Ltd
- Kenichi Koyakumaru
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing cyclopropane monoacetal derivative and interm...
- Publication number 20070191643
- Publication date Aug 16, 2007
- Kuraray Co,, Ltd.
- Kenichi Koyakumaru
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for producing 5alpha-pregnane derivative
- Publication number 20070149494
- Publication date Jun 28, 2007
- Kuraray Co., Ltd
- Takashi Sugioka
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing 2-substituted pyridine derivative
- Publication number 20060041142
- Publication date Feb 23, 2006
- KURARAY CO., LTD.
- Kenichi Koyakumaru
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for producing 5-(2'-pyridyl)-2-pyridone derivative
- Publication number 20060004205
- Publication date Jan 5, 2006
- KURARAY CO. LTD.
- Kenichi Koyakumaru
- C07 - ORGANIC CHEMISTRY

Kenichi KOYAKUMARU

Person

Patents Grantslast 30 patents

Carbon material for nonaqueous electrolyte secondary battery and me...

Carbonaceous material for negative electrodes of nonaqueous electro...

Carbonaceous material for negative electrodes of lithium ion capaci...

Carbonaceous material for negative electrodes of nonaqueous electro...

Process for producing 2-substituted pyridine derivative

Process for producing 5-(2′-pyridyl)-2-pyridone derivative

Process for producing cyclopropane monoacetal derivative and interm...

Patents Applicationslast 30 patents

CARBON MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND ME...

CARBONACEOUS MATERIAL FOR NEGATIVE ELECTRODES OF NONAQUEOUS ELECTRO...

CARBONACEOUS MATERIAL FOR NEGATIVE ELECTRODES OF NONAQUEOUS ELECTRO...

CARBONACEOUS MATERIAL FOR NEGATIVE ELECTRODES OF LITHIUM ION CAPACI...

CARBON MATERIAL FOR NONAQUEOUS ELECTROLYTE SECONDARY BATTERY AND ME...

PROCESS FOR PRODUCING (5ALPHA7ALPHA)-3-SPIRO-2'-(1',3'-DIOXOLAN)-24...

Method for Producing 5Alpha-Pregnane Derivative

Method for producing 5alpha-pregnane derivative

Method for producing halogenated unsaturated carbonyl compound

Process for producing cyclopropane monoacetal derivative and interm...

Method for producing 5alpha-pregnane derivative

Process for producing 2-substituted pyridine derivative

Process for producing 5-(2'-pyridyl)-2-pyridone derivative