Akihisa Tonegawa

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Carbon material, method for manufacturing same, and use thereof
- Patent number 10,508,038
- Issue date Dec 17, 2019
- Showa Denko K.K.
- Akihisa Tonegawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of producing cathode active material for lithium secondary b...
- Patent number 9,745,194
- Issue date Aug 29, 2017
- Showa Denko K.K.
- Isao Kabe
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing lithium metal phosphate
- Patent number 9,590,246
- Issue date Mar 7, 2017
- Showa Denko K.K.
- Akihiko Shirakawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Cathode material for lithium secondary battery, and method of produ...
- Patent number 9,577,249
- Issue date Feb 21, 2017
- Showa Denko K.K.
- Isao Kabe
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing cathode-active material for lithium secondary...
- Patent number 9,225,013
- Issue date Dec 29, 2015
- Showa Denko K.K.
- Akihisa Tonegawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production method of positive electrode active material for lithium...
- Patent number 8,968,594
- Issue date Mar 3, 2015
- Showa Denko K.K.
- Akihisa Tonegawa
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
COMPOSITE MATERIAL, MANUFACTURING METHOD THEREFOR, NEGATIVE ELECTRO...
- Publication number 20220399538
- Publication date Dec 15, 2022
- SHOWA DENKO K.K.
- Akihisa TONEGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND SECON...
- Publication number 20200227746
- Publication date Jul 16, 2020
- SHOWA DENKO K.K.
- Xu WANG
- C01 - INORGANIC CHEMISTRY
Information Patent Application
COMPOSITE GRAPHITE PARTICLES, METHOD FOR PRODUCING SAME, AND USE TH...
- Publication number 20190334173
- Publication date Oct 31, 2019
- SHOWA DENKO K.K.
- Ayaka IKADO
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CARBON MATERIAL, METHOD FOR MANUFACTURING SAME, AND USE THEREOF
- Publication number 20180029891
- Publication date Feb 1, 2018
- Showa Denko K.K.
- Akihisa TONEGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
PRODUCTION METHOD OF POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM...
- Publication number 20140203218
- Publication date Jul 24, 2014
- SHOWA DENKO K.K.
- Akihisa Tonegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AN...
- Publication number 20140199475
- Publication date Jul 17, 2014
- SHOWA DENKO K.K.
- Akihisa TONEGAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CATHODE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND METHOD OF PRODU...
- Publication number 20140087258
- Publication date Mar 27, 2014
- SHOWA DENKO K.K.
- Isao Kabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD OF PRODUCING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY B...
- Publication number 20140056797
- Publication date Feb 27, 2014
- Showa Denko K.K.
- Isao Kabe
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING CATHODE-ACTIVE MATERIAL FOR LITHIUM SECONDARY...
- Publication number 20140042372
- Publication date Feb 13, 2014
- Showa Denko K.K.
- Akihisa Tonegawa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PRODUCING LITHIUM METAL PHOSPHATE
- Publication number 20130236385
- Publication date Sep 12, 2013
- Showa Denko K.K.
- Akihiko Shirakawa
- H01 - BASIC ELECTRIC ELEMENTS

Akihisa Tonegawa

Person

Patents Grantslast 30 patents

Carbon material, method for manufacturing same, and use thereof

Method of producing cathode active material for lithium secondary b...

Method for producing lithium metal phosphate

Cathode material for lithium secondary battery, and method of produ...

Method for producing cathode-active material for lithium secondary...

Production method of positive electrode active material for lithium...

Patents Applicationslast 30 patents

COMPOSITE MATERIAL, MANUFACTURING METHOD THEREFOR, NEGATIVE ELECTRO...

NEGATIVE ELECTRODE ACTIVE MATERIAL FOR SECONDARY BATTERY, AND SECON...

COMPOSITE GRAPHITE PARTICLES, METHOD FOR PRODUCING SAME, AND USE TH...

CARBON MATERIAL, METHOD FOR MANUFACTURING SAME, AND USE THEREOF

PRODUCTION METHOD OF POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM...

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AN...

CATHODE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND METHOD OF PRODU...

METHOD OF PRODUCING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY B...

METHOD FOR PRODUCING CATHODE-ACTIVE MATERIAL FOR LITHIUM SECONDARY...

METHOD FOR PRODUCING LITHIUM METAL PHOSPHATE