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Hirokazu OHNUMA
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Tokyo, JP
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Patents Grants
last 30 patents
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Patent Grant
Separator and lithium ion secondary battery including the same
Patent number
10,217,984
Issue date
Feb 26, 2019
TDK Corporation
Masahiro Saegusa
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Lithium-ion secondary battery
Patent number
9,660,258
Issue date
May 23, 2017
TDK Corporation
Hirokazu Ohnuma
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
SEPARATOR AND LITHIUM ION SECONDARY BATTERY INCLUDING THE SAME
Publication number
20160093858
Publication date
Mar 31, 2016
TDK Corporation
Masahiro SAEGUSA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LITHIUM-ION SECONDARY BATTERY
Publication number
20130260227
Publication date
Oct 3, 2013
TDK Corporation
Hirokazu OHNUMA
H01 - BASIC ELECTRIC ELEMENTS