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Takashi Iijima
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Fukushima, JP
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last 30 patents
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Patent Grant
Sound-scale generation device and time-announcing clock
Patent number
6,961,288
Issue date
Nov 1, 2005
Rhythm Watch Co., LTD
Takashi Iijima
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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last 30 patents
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Patent Application
Sound-scale generation device and time-announcing clock
Publication number
20040144240
Publication date
Jul 29, 2004
Takashi Iijima
G04 - HOROLOGY