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Reizo Kaneko
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Higashi-yamato, JP
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last 30 patents
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Patent Grant
Ferro fluidic seal
Patent number
4,424,974
Issue date
Jan 10, 1984
Nippon Telegraph and Telephone Public Corp.
Yasunaga Mitsuya
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Patent Grant
Breathing device for a closed housing of a magnetic memory device
Patent number
4,307,425
Issue date
Dec 22, 1981
Nippon Telegraph & Telephone Public Corporation
Reizo Kaneko
G11 - INFORMATION STORAGE