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Naomichi ISHIKAWA
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Kosai-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Method for manufacturing rechargeable battery
Patent number
12,002,942
Issue date
Jun 4, 2024
PRIMEARTH EV ENERGY CO., LTD
Masakazu Umehara
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Method for manufacturing rechargeable battery
Patent number
11,929,481
Issue date
Mar 12, 2024
PRIMEARTH EV ENERGY CO., LTD
Masakazu Umehara
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
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Patent Application
METHOD FOR MANUFACTURING RECHARGEABLE BATTERY
Publication number
20230178708
Publication date
Jun 8, 2023
PRIMEARTH EV ENERGY CO., LTD.
Masakazu UMEHARA
H01 - BASIC ELECTRIC ELEMENTS