Patent Explorer

Browse, filter, and analyze 10 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
JPS5152944A Arupaamugokinno seizoho Nippon Gakki Co Ltd Expired / Lapsed 1974-11-06 — 1994-11-06 0.0 yrs 0
US4528885A Touch-responsive apparatus in electronic musical instrument Nippon Gakki Co Ltd Expired / Lapsed 1983-12-06 1985-07-16 2003-12-06 0.0 yrs 12
US4472035A Eyeglass-frame Nippon Gakki Co Ltd Expired / Lapsed 1982-03-15 1984-09-18 2002-03-15 0.0 yrs 11
US4126075A Supporting device for drums and like musical instruments on a stand Nippon Gakki Co Ltd Expired / Lapsed 1977-01-05 1978-11-21 1997-01-05 0.0 yrs 79
US4002991A Pilot signal extracting circuitry Nippon Gakki Co Ltd Expired / Lapsed 1976-01-02 1977-01-11 1996-01-02 0.0 yrs 10
US3888333A Tremolo generating device with multi-directionally rotating speaker Nippon Gakki Co Ltd Expired / Lapsed 1973-04-11 1975-06-10 1993-04-11 0.0 yrs 11
US3806820A Audio apparatus Nippon Gakki Co Ltd Expired / Lapsed 1972-02-24 1974-04-23 1992-02-24 0.0 yrs 6
US3760358A Latching selector for selectively drawing out a single signal from among a plurality thereof Nippon Gakki Co Ltd Expired / Lapsed 1972-08-08 1973-09-18 1992-08-08 0.0 yrs 9
US3715447A Electronic musical instrument with a keyboard device capable of producing special musical effects upon key depression Nippon Gakki Co Ltd Expired / Lapsed 1971-05-13 1973-02-06 1991-05-13 0.0 yrs 21
US3363076A Electric switch provided with a stationary electroconductive rubber contact Nippon Gakki Co Ltd Expired / Lapsed 1967-02-20 1968-01-09 1987-02-20 0.0 yrs 0