Patent Explorer
Browse, filter, and analyze 59 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| GB500342A | Improvements relating to dry surface-contact electric rectifiers | British Thomson Houston Co Ltd | Expired / Lapsed | 1938-09-19 | — | 1958-09-19 | 0.0 yrs | 0 | |
| 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 | |
| US4441791A | Deformable mirror light modulator | Texas Instruments Inc | Expired / Lapsed | 1982-06-07 | 1984-04-10 | 2002-06-07 | 0.0 yrs | 52 | |
| 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 | |
| US4152478A | Ionized-cluster deposited on a substrate and method of depositing ionized cluster on a substrate | Futaba Corp | Expired / Lapsed | 1975-10-23 | 1979-05-01 | 1995-10-23 | 0.0 yrs | 22 | |
| US4107474A | Bipolar transistor switching network crosspoint | AT&T Inc | Expired / Lapsed | 1977-05-31 | 1978-08-15 | 1997-05-31 | 0.0 yrs | 16 | |
| US4101761A | Timing pulse generator | Pacific Western Systems Inc | Expired / Lapsed | 1976-11-26 | 1978-07-18 | 1996-11-26 | 0.0 yrs | 9 | |
| US4044244A | Automatic tester for complex semiconductor components including combinations of logic, memory and analog devices and processes of testing thereof | International Business Machines Corp | Expired / Lapsed | 1976-08-06 | 1977-08-23 | 1996-08-06 | 0.0 yrs | 17 | |
| 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 | |
| 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 | |
| US3735237A | Cycle converter power supply for microwave heating | Raytheon Co | Expired / Lapsed | 1971-09-01 | 1973-05-22 | 1991-09-01 | 0.0 yrs | 29 | |
| 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 |
Showing 1 to 20 of 59 patents
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