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Fumio Ootsu
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Saseho, Nagasaki, JA
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last 30 patents
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Patent Grant
Transducer for conversion of tidal current energy
Patent number
4,071,305
Issue date
Jan 31, 1978
Fumio Ootsu
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information
Patent Grant
Transducer for conversion of sea water-energy
Patent number
4,060,344
Issue date
Nov 29, 1977
Fumio Ootsu
F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...