Hidefumi Isaji

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Current collecting lead and production method for secondary battery...
- Patent number 10,714,732
- Issue date Jul 14, 2020
- FDK Corporation
- Hidefumi Isaji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cylindrical alkaline secondary battery
- Patent number 10,374,260
- Issue date Aug 6, 2019
- FDK Corporation
- Tomomi Nakamura
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
CURRENT COLLECTING LEAD AND PRODUCTION METHOD FOR SECONDARY BATTERY...
- Publication number 20180219206
- Publication date Aug 2, 2018
- FDK CORPORATION
- Hidefumi Isaji
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
CYLINDRICAL ALKALINE SECONDRY BATTERY
- Publication number 20180069268
- Publication date Mar 8, 2018
- FDK CORPORATION
- Tomomi Nakamura
- H01 - BASIC ELECTRIC ELEMENTS