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Browse, filter, and analyze 18 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US5389553A Methods for fabrication of transistors National Semiconductor Corp Expired / Lapsed 1993-06-30 1995-02-14 2013-06-30 0.0 yrs 17
US5117394A High speed differential sense amplifier for use with single transistor memory cells National Semiconductor Corp Expired / Lapsed 1991-05-06 1992-05-26 2011-05-06 0.0 yrs 11
US4754912A Controlled collapse thermocompression gang bonding National Semiconductor Corp Expired / Lapsed 1987-11-16 1988-07-05 2007-11-16 0.0 yrs 6
US4495497A Circuit arrangement for controlled interconnection of signal sources and signal destinations National Semiconductor Corp Expired / Lapsed 1982-01-07 1985-01-22 2002-01-07 0.0 yrs 9
US4493079A Method and system for selectively loading test data into test data storage means of automatic digital test equipment National Semiconductor Corp Expired / Lapsed 1982-08-18 1985-01-08 2002-08-18 0.0 yrs 11
US4476546A Programmable address buffer for partial products National Semiconductor Corp Expired / Lapsed 1982-03-19 1984-10-09 2002-03-19 0.0 yrs 21
US4464591A Current difference sense amplifier National Semiconductor Corp Expired / Lapsed 1982-06-23 1984-08-07 2002-06-23 0.0 yrs 11
US4446534A Programmable fuse circuit National Semiconductor Corp Expired / Lapsed 1980-12-08 1984-05-01 2000-12-08 0.0 yrs 8
US4366555A Electrically erasable programmable read only memory National Semiconductor Corp Expired / Lapsed 1980-08-01 1982-12-28 2000-08-01 0.0 yrs 17
US4355463A Process for hermetically encapsulating semiconductor devices National Semiconductor Corp Expired / Lapsed 1980-03-24 1982-10-26 2000-03-24 0.0 yrs 11
US4335457A Method for semiconductor memory testing National Semiconductor Corp Expired / Lapsed 1980-08-08 1982-06-15 2000-08-08 0.0 yrs 9
US4312926A Tear strip planarization ring for gang bonded semiconductor device interconnect tape National Semiconductor Corp Expired / Lapsed 1980-04-14 1982-01-26 2000-04-14 0.0 yrs 6
US4280220A Electronic testing system National Semiconductor Corp Expired / Lapsed 1979-09-17 1981-07-21 1999-09-17 0.0 yrs 11
US4050030A Offset adjustment circuit National Semiconductor Corp Expired / Lapsed 1976-06-25 1977-09-20 1996-06-25 0.0 yrs 6
US3909924A Method of fabrication of silicon pressure transducer sensor units National Semiconductor Corp Expired / Lapsed 1974-03-27 1975-10-07 1994-03-27 0.0 yrs 5
US3836796A Semiconductor pressure transducer employing novel temperature compensation means National Semiconductor Corp Expired / Lapsed 1973-09-24 1974-09-17 1993-09-24 0.0 yrs 4
US3790817A Schottky clamped ttl circuit National Semiconductor Corp Expired / Lapsed 1972-02-14 1974-02-05 1992-02-14 0.0 yrs 13
US3742377A Differential amplifier with means for balancing out offset terms National Semiconductor Corp Expired / Lapsed 1971-07-08 1973-06-26 1991-07-08 0.0 yrs 7