Assignee

AKUTAGAWA TADAMASA

JP·2 granted patents·18 citations·filing 1992–1995

Technology mixH01M2 Y02E2 G01N1 Y02P1

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2 records

0136US5485744ASulfuric acid concentration sensor for lead storage batteryAKUTAGAWA TADAMASA·Filed 1992·Granted Jan 23, 1996·12 cites·10 claims
0227US5750285ALife indicator and lead-acid storage battery with life indicatorAKUTAGAWA TADAMASA·Filed 1995·Granted May 12, 1998·6 cites·19 claims

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