4. Metal working
  5. Method of mechanical manufacture
  6. Electrical device making

Toru Amazutsumi

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Battery carrying portable electric equipment

Electrical connectors – Energy cell substitution device including plural contacts or...
Reexamination Certificate

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Battery with a spacer between the electrode group and the cover

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent

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Battery with a spiral electrode unit

Chemistry: electrical current producing apparatus – product – and – Plural concentric or single coiled electrode
Patent

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Method of manufacturing a battery containing a non-circular spir

Metal working – Method of mechanical manufacture – Electrical device making
Patent

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Tightly sealed prismatic battery

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Cell enclosure structure – e.g. – housing – casing – container,...
Patent

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Profile ID: LFUS-PAI-P-115365

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