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Hamamatsu, Japan

Toshiyuki Takahashi

USPTO Granted Patents = 6

Average Co-Inventor Count = 3.3

ph-index = 4

Forward Citations = 104(Granted Patents)

Company Filing History:

Nippon Gakki Seizo Kabushiki Kaisha

Yamaha Corporation

Years Active: 1979-1997

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6 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5618749 - Method of forming a semiconductor device having a capacitor and a (1997-04-08),

2. 5021785 - Floating point digital to analog converter with bias to establish range (1991-06-04),

3. 4727355 - Digital-to-analog converter (1988-02-23),

4. 4233875 - Electronic musical instrument with automatic trill performance function (1980-11-18),

5. 4179971 - Pitch bend apparatus for electronic musical instrument (1979-12-25),

6. 4173164 - Electronic musical instrument with frequency modulation of a tone signal (1979-11-06),

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