Panasonic Holdings Corp
PanasonicActive Patents
0
Total Holdings
87
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US20040059531A1 | Remote control receiving system | Expired / Lapsed | 2003-08-08 | — | 12 | Details |
| JPH0198140A | optical card | Expired / Lapsed | 1987-10-09 | — | 0 | Details |
| JPS6442010A | Magnetic head | Expired / Lapsed | 1987-08-07 | — | 0 | Details |
| JPS63115546A | Ultrasonic probe | Expired / Lapsed | 1986-10-31 | — | 0 | Details |
| JPS61258661A | Linear motor | Expired / Lapsed | 1985-05-07 | — | 0 | Details |
| JPS61201693A | How diamonds are made | Expired / Lapsed | 1985-03-05 | — | 0 | Details |
| JPS601681A | feeding device | Expired / Lapsed | 1983-06-20 | — | 0 | Details |
| JPS55126811A | Laser gyroscope | Expired / Lapsed | 1979-03-26 | — | 0 | Details |
| JPS5231721A | Electronic musical instruments | Expired / Lapsed | 1975-07-25 | — | 0 | Details |
| DE1913731A1 | Tape cassette adapter | Expired / Lapsed | 1969-03-18 | — | 0 | Details |
| US5646937A | Code division multiple access communication system | Expired / Lapsed | 1995-08-18 | 1997-07-08 | 17 | Details |
| US5596243A | Crystal oscillator | Expired / Lapsed | 1994-10-05 | 1997-01-21 | 18 | Details |
| US5463609A | Information recording and reproducing device and a method u… | Expired / Lapsed | 1993-10-20 | 1995-10-31 | 31 | Details |
| US5446785A | Telephone terminal equipment in which telephone numbers of … | Expired / Lapsed | 1993-05-25 | 1995-08-29 | 21 | Details |
| US5428597A | Multi-layered optical disk with track and layer identificat… | Expired / Lapsed | 1994-01-12 | 1995-06-27 | 20 | Details |
| US5303225A | Multi-layered optical disk with track and layer identificat… | Expired / Lapsed | 1990-10-11 | 1994-04-12 | 17 | Details |
| US5263011A | Optical recording and reproducing apparatus and recording m… | Expired / Lapsed | 1991-10-30 | 1993-11-16 | 6 | Details |
| US5252174A | Method for manufacturing substrates for depositing diamond … | Expired / Lapsed | 1992-05-28 | 1993-10-12 | 6 | Details |
| US5227707A | Interference avoiding system of multi robot arms | Expired / Lapsed | 1992-08-28 | 1993-07-13 | 7 | Details |
| US5163432A | Catheter type laser illuminating apparatus | Expired / Lapsed | 1991-07-15 | 1992-11-17 | 11 | Details |
| US5134604A | Combination optical data medium with multiple data surfaces… | Expired / Lapsed | 1991-01-03 | 1992-07-28 | 8 | Details |
| US5053998A | Semiconductor memory device with dual drivers to sense amp … | Expired / Lapsed | 1990-03-15 | 1991-10-01 | 12 | Details |
| US5013954A | Electrostatic micro-motor apparatus | Expired / Lapsed | 1990-06-11 | 1991-05-07 | 7 | Details |
| US5013135A | Head-up display with two fresnel lenses | Expired / Lapsed | 1990-03-20 | 1991-05-07 | 16 | Details |
| US4877677A | Wear-protected device | Expired / Lapsed | 1986-02-18 | 1989-10-31 | 25 | Details |
| US4845021A | Method for recording optical information in optical high de… | Expired / Lapsed | 1988-01-14 | 1989-07-04 | 7 | Details |
| US4791677A | Image signal processor | Expired / Lapsed | 1986-12-11 | 1988-12-13 | 10 | Details |
| US4724533A | Optical head | Expired / Lapsed | 1985-06-13 | 1988-02-09 | 22 | Details |
| US4712194A | Static random access memory | Expired / Lapsed | 1985-05-31 | 1987-12-08 | 15 | Details |
| US4699150A | Ultrasonic transducer assembly for medical diagnostic exami… | Expired / Lapsed | 1986-05-16 | 1987-10-13 | 2 | Details |
| US4688203A | Optical recording and reproducing apparatus | Expired / Lapsed | 1984-04-23 | 1987-08-18 | 6 | Details |
| US4637256A | Ultrasonic probe having dual-motion transducer | Expired / Lapsed | 1984-06-22 | 1987-01-20 | 14 | Details |
| US4603419A | Semiconductor laser structure including dual mounts having … | Expired / Lapsed | 1985-08-22 | 1986-07-29 | 2 | Details |
| US4551768A | Method and apparatus for processing image signal | Expired / Lapsed | 1983-10-27 | 1985-11-05 | 19 | Details |
| US4540618A | Magnetic recording medium | Expired / Lapsed | 1983-08-08 | 1985-09-10 | 18 | Details |
| US4504750A | Linear motor | Expired / Lapsed | 1983-04-20 | 1985-03-12 | 12 | Details |
| US4501944A | Turntable type high-frequency heating apparatus | Expired / Lapsed | 1982-12-21 | 1985-02-26 | 4 | Details |
| US4500830A | Current control circuit for a plurality of loads | Expired / Lapsed | 1982-08-17 | 1985-02-19 | 6 | Details |
| US4470308A | Arc scan ultrasonic imaging system having diverging lens an… | Expired / Lapsed | 1982-08-03 | 1984-09-11 | 9 | Details |
| US4462092A | Arc scan ultrasonic transducer array | Expired / Lapsed | 1981-05-14 | 1984-07-24 | 11 | Details |
| US4440025A | Arc scan transducer array having a diverging lens | Expired / Lapsed | 1981-06-26 | 1984-04-03 | 16 | Details |
| US4423517A | Code sequence synchronization system for spread spectrum co… | Expired / Lapsed | 1981-01-19 | 1983-12-27 | 3 | Details |
| US4412823A | Oral cavity cleaner | Expired / Lapsed | 1981-07-10 | 1983-11-01 | 12 | Details |
| US4408966A | Pump for supplying liquid fuel | Expired / Lapsed | 1980-12-19 | 1983-10-11 | 11 | Details |
| US4370577A | Linear motor | Expired / Lapsed | 1981-07-17 | 1983-01-25 | 2 | Details |
| US4354092A | Electric hair curling iron with rechargeable battery power … | Expired / Lapsed | 1979-09-28 | 1982-10-12 | 18 | Details |
| US4231016A | Input signal recognition circuit | Expired / Lapsed | 1978-11-27 | 1980-10-28 | 4 | Details |
| US4224125A | Enzyme electrode | Expired / Lapsed | 1978-09-26 | 1980-09-23 | 11 | Details |
| US4177488A | Magnetic recording and playback means with indication of ta… | Expired / Lapsed | 1978-01-17 | 1979-12-04 | 8 | Details |
| US4120452A | Automatic vending system | Expired / Lapsed | 1976-08-12 | 1978-10-17 | 10 | Details |
| US4117514A | Solid state imaging device | Expired / Lapsed | 1977-02-14 | 1978-09-26 | 12 | Details |
| US4105020A | Blood pressure and pulse rate measuring apparatus | Expired / Lapsed | 1976-05-14 | 1978-08-08 | 4 | Details |
| US4091266A | Electrical circuit for controlling a temperature of a heati… | Expired / Lapsed | 1976-04-07 | 1978-05-23 | 14 | Details |
| US4052749A | Thin film magnetic head | Expired / Lapsed | 1976-05-19 | 1977-10-04 | 13 | Details |
| US4049938A | Microwave oven | Expired / Lapsed | 1976-05-11 | 1977-09-20 | 13 | Details |
| US4041437A | Humidity sensor | Expired / Lapsed | 1975-12-24 | 1977-08-09 | 12 | Details |
| US4037918A | Fourier-transform holography by pseudo-random phase shifting | Expired / Lapsed | 1975-07-31 | 1977-07-26 | 35 | Details |
| US4029392A | Liquid crystal display | Expired / Lapsed | 1974-07-11 | 1977-06-14 | 6 | Details |
| US4026014A | Method of making connector assembly for printed wiring board | Expired / Lapsed | 1975-06-26 | 1977-05-31 | 9 | Details |
| US4014043A | Cassette type magnetic recording and reproducing apparatus | Expired / Lapsed | 1974-05-15 | 1977-03-22 | 2 | Details |
| US3987488A | Multi-tracks magnetic head with single turn winding structu… | Expired / Lapsed | 1975-06-02 | 1976-10-19 | 9 | Details |
| US3975637A | Device for storage and display of a radiation image | Expired / Lapsed | 1974-10-23 | 1976-08-17 | 5 | Details |
| US3974337A | FM television telephone system | Expired / Lapsed | 1974-05-23 | 1976-08-10 | 10 | Details |
| US3936768A | Molecular gas laser device with an improved output mirror m… | Expired / Lapsed | 1973-07-05 | 1976-02-03 | 5 | Details |
| US3917380A | Method of hologram recording with reduced speckle noise | Expired / Lapsed | 1973-12-26 | 1975-11-04 | 13 | Details |
| US3898421A | Push button switch with elastic conductive sheet | Expired / Lapsed | 1973-08-16 | 1975-08-05 | 7 | Details |
| US3877776A | Speckle reduction in holography | Expired / Lapsed | 1974-04-25 | 1975-04-15 | 14 | Details |
| US3849765A | Programmable logic controller | Expired / Lapsed | 1972-11-20 | 1974-11-19 | 16 | Details |
| US3796853A | Connection type carbon electrode | Expired / Lapsed | 1972-12-18 | 1974-03-12 | 4 | Details |
| US3742315A | Schottky barrier type semiconductor device with improved ba… | Expired / Lapsed | 1971-10-18 | 1973-06-26 | 3 | Details |
| US3692973A | Arc welding | Expired / Lapsed | 1970-09-01 | 1972-09-19 | 16 | Details |
| US3683248A | Directly driven turntable apparatus for phonograph records | Expired / Lapsed | 1971-03-24 | 1972-08-08 | 9 | Details |
| US3682160A | Physiological signal transmitter for use inside the body | Expired / Lapsed | 1969-10-16 | 1972-08-08 | 18 | Details |
| US3654557A | System for selecting channel | Expired / Lapsed | 1970-04-06 | 1972-04-04 | 11 | Details |
| US3641316A | Identification system | Expired / Lapsed | 1970-08-17 | 1972-02-08 | 36 | Details |
| US3611068A | Contactless pressure sensitive semiconductor switch | Expired / Lapsed | 1970-05-20 | 1971-10-05 | 1 | Details |
| US3603727A | Variable scale scanning system for image reproduction | Expired / Lapsed | 1969-03-24 | 1971-09-07 | 4 | Details |
| US3589267A | Shutter means operated by fan motor | Expired / Lapsed | 1969-08-14 | 1971-06-29 | 4 | Details |
| US3580355A | Automatic speed control apparatus for automotive vehicles | Expired / Lapsed | 1968-01-03 | 1971-05-25 | 11 | Details |
| US3560828A | D.c. motor control system | Expired / Lapsed | 1967-07-03 | 1971-02-02 | 0 | Details |
| US3547794A | Ph-sensor | Expired / Lapsed | 1968-10-01 | 1970-12-15 | 0 | Details |
| US3518508A | Transducer | Expired / Lapsed | 1966-12-01 | 1970-06-30 | 0 | Details |
| US3400252A | Electrical heating device | Expired / Lapsed | 1965-10-20 | 1968-09-03 | 0 | Details |
| US3375774A | Fully automatic electric coffee pot | Expired / Lapsed | 1967-01-05 | 1968-04-02 | 0 | Details |
| US3371164A | Combined magnetic transducing and erase head | Expired / Lapsed | 1963-11-05 | 1968-02-27 | 0 | Details |
| US3330907A | Modulation indicating devices | Expired / Lapsed | 1963-10-07 | 1967-07-11 | 2 | Details |
| US3315658A | Body warmers | Expired / Lapsed | 1965-12-27 | 1967-04-25 | 2 | Details |