KATSUYUKI HATA

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TAKASAKI-SHI, JP

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Patents Grantslast 30 patents

Information Patent Grant
Battery separator and manufacturing method thereof, and alkali seco...
- Patent number 6,623,809
- Issue date Sep 23, 2003
- Toshiba Battery Co., Ltd.
- Masahiko Tsukiashi
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
BATTERY SEPARATOR AND MANUFACTURING METHOD THEREOF, AND ALKALI SECO...
- Publication number 20030138701
- Publication date Jul 24, 2003
- MASAHIKO TSUKIASHI
- H01 - BASIC ELECTRIC ELEMENTS