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Tsuyoshi Kawanabe
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Yokohama, JP
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last 30 patents
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Patent Grant
Electronic computer with aural output
Patent number
4,641,258
Issue date
Feb 3, 1987
Canon Kabushiki Kaisha
Tsuyoshi Kawanabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Recording type electronic apparatus
Patent number
4,366,545
Issue date
Dec 28, 1982
Canon Kabushiki Kaisha
Tsuyoshi Kawanabe
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Electronic apparatus for dealing with numerical information
Patent number
4,164,789
Issue date
Aug 14, 1979
Canon Kabushiki Kaisha
Sigeru Toyomura
G06 - COMPUTING CALCULATING COUNTING