Fujitsu Microcomputer Systems Limited
14Patents
0Active
14Granted
31Portfolio score
Filing activity: Jul 24, 1987 → May 30, 1995
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4929854A | Clock circuit having a clocked output buffer | Physics | 31 | Expired |
| US5119496A | Method and apparatus for interrupt processing in a computer system having peripheral units connected in a daisy chain | Physics | 19 | Expired |
| US5056011A | Direct memory access controller with expedited error control | Physics | 18 | Expired |
| US5655114A | System and device for prefetching command and parameters to be processed with least frequent bus access | Physics | 17 | Expired |
| US5146595A | Grouping device for forming input signals into groups | Physics | 17 | Expired |
| US5018098A | Data transfer controlling apparatus for direct memory access | Physics | 13 | Expired |
| US5119487A | DMA controller having programmable logic array for outputting control information required during a next transfer cycle during one transfer cycle | Physics | 12 | Expired |
| US4904883A | Semiconductor integrated circuit having a DC test function | Physics | 11 | Expired |
| US5033017A | Programmable logic array with reduced power consumption | Electricity | 10 | Expired |
| US4868556A | Cathode ray tube controller | Physics | 5 | Expired |
| US5060054A | Device for controlling a color video display | Electricity | 5 | Expired |
| US5003304A | Pattern display signal generating apparatus and display apparatus using the same | Physics | 5 | Expired |
| US4841298A | Bit pattern conversion system | Physics | 0 | Expired |
| US4980890A | Semiconductor integrated circuit | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.