Patent Explorer

Browse, filter, and analyze 28 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
DE1156510B Semiconductor component with an essentially monocrystalline semiconductor body and four zones of alternating conductivity type and method for manufacturing Siemens Corp Expired / Lapsed 1961-05-09 — 1981-05-09 0.0 yrs 0
US4622672A Self-stabilized semiconductor lasers Nokia Bell Labs Expired / Lapsed 1984-01-20 1986-11-11 2004-01-20 0.0 yrs 13
US4563646A Optical magnetometer using a laser coupled to a magneto-optical medium Thales SA Expired / Lapsed 1983-04-05 1986-01-07 2003-04-05 0.0 yrs 11
US4444054A Temperature compensation for diffused semiconductor strain devices Ametek Inc Expired / Lapsed 1982-08-30 1984-04-24 2002-08-30 0.0 yrs 25
US4443488A Plasma ion deposition process Spire Corp Expired / Lapsed 1981-10-19 1984-04-17 2001-10-19 0.0 yrs 9
US4432372A Two-lead power/signal multiplexed transducer Medtronic Inc Expired / Lapsed 1981-08-28 1984-02-21 2001-08-28 0.0 yrs 15
US4280220A Electronic testing system National Semiconductor Corp Expired / Lapsed 1979-09-17 1981-07-21 1999-09-17 0.0 yrs 11
US4164668A Method of correcting the voltage coefficient of resistors implanted or diffused in a semiconductor substrate International Business Machines Corp Expired / Lapsed 1977-05-12 1979-08-14 1997-05-12 0.0 yrs 8
US4101761A Timing pulse generator Pacific Western Systems Inc Expired / Lapsed 1976-11-26 1978-07-18 1996-11-26 0.0 yrs 9
US4023562A Miniature pressure transducer for medical use and assembly method Case Western Reserve University Expired / Lapsed 1975-09-02 1977-05-17 1995-09-02 0.0 yrs 13
US3990092A Resistance element for semiconductor integrated circuit Hitachi Ltd Expired / Lapsed 1975-01-13 1976-11-02 1995-01-13 0.0 yrs 13
US3886331A Electronic scanning spectrophotometer system Tektronix Inc Expired / Lapsed 1973-09-14 1975-05-27 1993-09-14 0.0 yrs 23
US3693054A Semiconductor having a transistor, a thyristor and a diode in one body Siemens Mobility Ltd Expired / Lapsed 1971-09-15 1972-09-19 1991-09-15 0.0 yrs 7
US3600650A Protected semiconductor device having sensor thermally coupled to electrode Texas Instruments Inc Expired / Lapsed 1968-12-30 1971-08-17 1988-12-30 0.0 yrs 4
US3590339A Gate controlled switch transistor drive integrated circuit (thytran) Westinghouse Electric Corp Expired / Lapsed 1970-01-30 1971-06-29 1990-01-30 0.0 yrs 11
US3568662A Method and apparatus for sensing bioelectric potentials Individual Expired / Lapsed 1967-07-07 1971-03-09 1987-07-07 0.0 yrs 19
US3461416A Pressure transducer utilizing semiconductor beam Lockheed Martin Corp Expired / Lapsed 1967-12-04 1969-08-12 1987-12-04 0.0 yrs 0
US3372318A Semiconductor switches General Electric Co Expired / Lapsed 1965-01-22 1968-03-05 1985-01-22 0.0 yrs 0
US3303360A Semiconductor switch General Electric Co Expired / Lapsed 1966-01-21 1967-02-07 1986-01-21 0.0 yrs 2
US3204172A Semiconductor controlled rectifier circuits Harrel Inc Expired / Lapsed 1959-12-14 1965-08-31 1979-12-14 0.0 yrs 2
Showing 1 to 20 of 28 patents
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