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Hideo Yashima
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Chiba, JP
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last 30 patents
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Patent Grant
Solid polymer electrolyte, battery and solid-state electric double...
Patent number
5,874,184
Issue date
Feb 23, 1999
Showa Denko K.K.
Masataka Takeuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Solid polymer electrolyte, battery and solid-state electric double...
Patent number
5,665,490
Issue date
Sep 9, 1997
Showa Denko K.K.
Masataka Takeuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Solid polymer electrolyte, battery and solid-state electric double...
Patent number
5,597,661
Issue date
Jan 28, 1997
Showa Denko K.K.
Masataka Takeuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...