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Hidetaka Fujisawa
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Fussa, JP
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last 30 patents
Information
Patent Grant
Miniaturized electronic apparatus
Patent number
4,806,923
Issue date
Feb 21, 1989
Casio Computer Co., Ltd.
Tsuguo Yanai
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Powder supply device with solar cell
Patent number
4,785,226
Issue date
Nov 15, 1988
Casio Computer Co., Ltd.
Hidetaka Fujisawa
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Grant
Envelope control device for piezoelectric buzzer
Patent number
4,382,251
Issue date
May 3, 1983
Casio Computer Co., Ltd.
Hidetaka Fujisawa
B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information
Patent Grant
Key input indicating tone generating apparatus for small-sized elec...
Patent number
4,354,246
Issue date
Oct 12, 1982
Casio Computer Co., Ltd.
Hidetaka Fujisawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Music tone generating system
Patent number
4,294,154
Issue date
Oct 13, 1981
Casio Computer Co., Ltd.
Hidetaka Fujisawa
G06 - COMPUTING CALCULATING COUNTING