Fujitsu Ltd
Fujitsu LtActive Patents
0
Total Holdings
59
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| JPS63122148A | Manufacture of semiconductor device | Expired / Lapsed | 1986-11-11 | — | 0 | Details |
| EP0133131A2 | Master slice IC device | Expired / Lapsed | 1984-07-26 | — | 9 | Details |
| JPS60194692A | Infrared video display device | Expired / Lapsed | 1984-03-14 | — | 0 | Details |
| JPS60119926A | Ultrasonic non-linear parameter distribution measuring appa… | Expired / Lapsed | 1983-12-02 | — | 0 | Details |
| EP0020116A1 | Masterslice semiconductor device and method of producing it | Expired / Lapsed | 1980-05-23 | — | 8 | Details |
| GB2032149A | Transferring from Working to Standby Processor on Fault | Expired / Lapsed | 1979-08-30 | — | 6 | Details |
| JPS54160104A | Normality confirming system for traffic control system | Expired / Lapsed | 1978-06-09 | — | 0 | Details |
| JPS5341A | Order address collection controll system | Expired / Lapsed | 1976-06-24 | — | 0 | Details |
| GB1092691A | High precision closed loop servo system | Expired / Lapsed | 1964-12-14 | — | 0 | Details |
| US5513639A | Balloon type ultrasonic diagnostic probe | Expired / Lapsed | 1994-10-05 | 1996-05-07 | 13 | Details |
| US5313950A | Ultrasonic probe | Expired / Lapsed | 1993-02-23 | 1994-05-24 | 14 | Details |
| US5115810A | Ultrasonic transducer array | Expired / Lapsed | 1990-10-30 | 1992-05-26 | 27 | Details |
| US5087969A | Unmanned vehicle control system with guide line detection | Expired / Lapsed | 1990-07-19 | 1992-02-11 | 17 | Details |
| US4742530A | Radio relay method and its apparatus for digital communicat… | Expired / Lapsed | 1986-08-20 | 1988-05-03 | 13 | Details |
| US4614881A | Integrated semiconductor circuit device for generating a sw… | Expired / Lapsed | 1984-01-27 | 1986-09-30 | 8 | Details |
| US4610255A | Ultrasonic non-linear parameter measuring system | Expired / Lapsed | 1984-11-28 | 1986-09-09 | 17 | Details |
| US4592025A | Information storing circuit using blown and unblown fuses | Expired / Lapsed | 1984-04-10 | 1986-05-27 | 20 | Details |
| US4553225A | Method of testing IC memories | Expired / Lapsed | 1982-09-27 | 1985-11-12 | 7 | Details |
| US4545250A | Measuring apparatus utilizing spectrum profile | Expired / Lapsed | 1984-03-19 | 1985-10-08 | 15 | Details |
| US4546457A | Semiconductor memory device | Expired / Lapsed | 1982-11-05 | 1985-10-08 | 10 | Details |
| US4543647A | Electrically programmable non-volatile semiconductor memory… | Expired / Lapsed | 1981-12-23 | 1985-09-24 | 15 | Details |
| US4539661A | Static-type semiconductor memory device | Expired / Lapsed | 1983-06-28 | 1985-09-03 | 8 | Details |
| US4499484A | Integrated circuit manufactured by master slice method | Expired / Lapsed | 1982-09-08 | 1985-02-12 | 8 | Details |
| US4488242A | Robot arm control method using open loop control in combina… | Expired / Lapsed | 1981-12-21 | 1984-12-11 | 11 | Details |
| US4482984A | Static type semiconductor memory device | Expired / Lapsed | 1981-10-07 | 1984-11-13 | 17 | Details |
| US4412240A | Semiconductor integrated circuit and wiring method | Expired / Lapsed | 1980-02-22 | 1983-10-25 | 15 | Details |
| US4412237A | Semiconductor device | Expired / Lapsed | 1978-12-11 | 1983-10-25 | 18 | Details |
| US4402066A | Semiconductor memory circuit | Expired / Lapsed | 1981-02-17 | 1983-08-30 | 12 | Details |
| US4355375A | Semiconductor memory device | Expired / Lapsed | 1981-07-27 | 1982-10-19 | 7 | Details |
| US4278897A | Large scale semiconductor integrated circuit device | Expired / Lapsed | 1978-12-28 | 1981-07-14 | 11 | Details |
| US4210946A | Magnetic recording medium | Expired / Lapsed | 1978-09-19 | 1980-07-01 | 17 | Details |
| US4181937A | Data processing system having an intermediate buffer memory | Expired / Lapsed | 1977-10-28 | 1980-01-01 | 7 | Details |
| US4153906A | Integrated circuit using an insulated gate field effect tra… | Expired / Lapsed | 1977-11-22 | 1979-05-08 | 12 | Details |
| US4145738A | Plural virtual address space processing system | Expired / Lapsed | 1977-05-31 | 1979-03-20 | 10 | Details |
| US4138626A | Gas discharge display apparatus | Expired / Lapsed | 1976-05-26 | 1979-02-06 | 6 | Details |
| US4115851A | Memory access control system | Expired / Lapsed | 1977-04-06 | 1978-09-19 | 16 | Details |
| US3976993A | Gas discharge panel self shift drive system and method of d… | Expired / Lapsed | 1974-07-12 | 1976-08-24 | 11 | Details |
| US3959726A | Pilot signal transmission system | Expired / Lapsed | 1972-09-18 | 1976-05-25 | 19 | Details |
| US3906262A | Two-axis magnetic positioning device | Expired / Lapsed | 1974-07-22 | 1975-09-16 | 6 | Details |
| US3900876A | Automatic omega signal pattern synchronizing system | Expired / Lapsed | 1973-07-11 | 1975-08-19 | 7 | Details |
| US3878430A | Self shift display panel driving system | Expired / Lapsed | 1973-06-19 | 1975-04-15 | 13 | Details |
| US3760364A | Electronic switching system | Expired / Lapsed | 1971-11-04 | 1973-09-18 | 5 | Details |
| US3726733A | Method of manufacturing thin-film integrated circuits | Expired / Lapsed | 1971-02-03 | 1973-04-10 | 0 | Details |
| US3710349A | Data transferring circuit arrangement for transferring data… | Expired / Lapsed | 1971-05-05 | 1973-01-09 | 2 | Details |
| US3706077A | Multiprocessor type information processing system with cont… | Expired / Lapsed | 1971-01-06 | 1972-12-12 | 0 | Details |
| US3678498A | Video display system including raster type cathode ray tube | Expired / Lapsed | 1970-10-19 | 1972-07-18 | 4 | Details |
| US3665486A | Electrostatic recording apparatus for high speed operation | Expired / Lapsed | 1969-08-27 | 1972-05-23 | 3 | Details |
| US3581010A | Frame synchronization system for synchronizing the frame of… | Expired / Lapsed | 1967-11-14 | 1971-05-25 | 8 | Details |
| US3505632A | Indirectly heated thermistor | Expired / Lapsed | 1967-12-06 | 1970-04-07 | 0 | Details |
| US3445811A | Error system for logic circuits | Expired / Lapsed | 1965-08-09 | 1969-05-20 | 0 | Details |
| US3437854A | Electric rotary step motor with plural offset stator windin… | Expired / Lapsed | 1966-11-04 | 1969-04-08 | 2 | Details |
| US3427591A | System for compensating time delay or skew between equidigi… | Expired / Lapsed | 1966-03-18 | 1969-02-11 | 2 | Details |
| US3372321A | Digital system for controlling the position along a given p… | Expired / Lapsed | 1967-06-22 | 1968-03-05 | 0 | Details |
| US3323030A | Digital fine and coarse servo motor control system | Expired / Lapsed | 1963-12-23 | 1967-05-30 | 2 | Details |
| US3310284A | Hydraulic system rotary pilot valve | Expired / Lapsed | 1964-08-20 | 1967-03-21 | 2 | Details |
| US3307170A | Multi-face indicator system | Expired / Lapsed | 1963-02-27 | 1967-02-28 | 2 | Details |
| US3283063A | Automatic equalizer system | Expired / Lapsed | 1963-04-10 | 1966-11-01 | 2 | Details |
| US3261986A | Digital code regenerative relay transmission system | Expired / Lapsed | 1963-04-19 | 1966-07-19 | 2 | Details |
| US3236951A | Channel changing equipment for timedivision multiplex commu… | Expired / Lapsed | 1961-05-08 | 1966-02-22 | 2 | Details |