Assignee
PANAFACOM LTD
JP·24 granted patents·566 citations·filing 1975–1988
Top patents by PatentIndex Score
24 records- 0183US4271466ADirect memory access control system with byte/word control of data busPANAFACOM LTD·Filed 1978·Granted Jun 2, 1981·52 cites·21 claims
- 0282US4701846AComputer system capable of interruption using special protection code for write interruption region of memory devicePANAFACOM LTD·Filed 1986·Granted Oct 20, 1987·75 cites·2 claims
- 0380US4849747ADisplay data transfer control apparatus applicable for display unitPANAFACOM LTD·Filed 1986·Granted Jul 18, 1989·42 cites·11 claims
- 0479USD279190SKeyboardPANAFACOM LTD·Filed 1983·Granted Jun 11, 1985·17 cites·1 claims
- 0578USD280900SPrinterPANAFACOM LTD·Filed 1983·Granted Oct 8, 1985·16 cites·1 claims
- 0674US4334269AData processing system having an integrated stack and register machine architecturePANAFACOM LTD·Filed 1979·Granted Jun 8, 1982·41 cites·7 claims
- 0772US4788655ACondition code producing systemPANAFACOM LTD·Filed 1986·Granted Nov 29, 1988·61 cites·10 claims
- 0871US4644419AFloppy disk unitPANAFACOM LTD·Filed 1986·Granted Feb 17, 1987·22 cites·10 claims
- 0968US4106104AData transferring system with priority control and common busPANAFACOM LTD·Filed 1976·Granted Aug 8, 1978·35 cites·1 claims
- 1059US4037211AAddress extending control unitPANAFACOM LTD·Filed 1975·Granted Jul 19, 1977·28 cites·10 claims
- 1157US4837564ADisplay control apparatus employing bit map methodPANAFACOM LTD·Filed 1986·Granted Jun 6, 1989·17 cites·7 claims
- 1252USD279187SComputerPANAFACOM LTD·Filed 1983·Granted Jun 11, 1985·5 cites·1 claims
- 1351US4896257AComputer system having virtual memory configuration with second computer for virtual addressing with translation error processingPANAFACOM LTD·Filed 1988·Granted Jan 23, 1990·24 cites·19 claims
- 1451US4803618AMultiprocessor system having common memoryPANAFACOM LTD·Filed 1986·Granted Feb 7, 1989·30 cites·10 claims
- 1551US4128881AShared memory access control system for a multiprocessor systemPANAFACOM LTD·Filed 1976·Granted Dec 5, 1978·16 cites·10 claims
- 1647US4827251ADisplay control system with control of background luminance or color dataPANAFACOM LTD·Filed 1987·Granted May 2, 1989·12 cites·2 claims
- 1744USD279189SDisplayPANAFACOM LTD·Filed 1983·Granted Jun 11, 1985·3 cites·1 claims
- 1844US4384342ASystem for reducing access time to plural memory modules using five present-fetch and one prefetch address registersPANAFACOM LTD·Filed 1980·Granted May 17, 1983·21 cites·4 claims
- 1942US4012593ABidirectional repeater in data transmission systemPANAFACOM LTD·Filed 1975·Granted Mar 15, 1977·11 cites·8 claims
- 2037US4079354AData processing system with improved read/write capabilityPANAFACOM LTD·Filed 1977·Granted Mar 14, 1978·10 cites·6 claims
- 2134US4471425AA data transfer control system for multiple units on a common bus using a serially transmitted transfer permission signalPANAFACOM LTD·Filed 1980·Granted Sep 11, 1984·9 cites·16 claims
- 2230US4801930AVideo information transfer processing systemPANAFACOM LTD·Filed 1986·Granted Jan 31, 1989·4 cites·7 claims
- 2330US4177451AData communication systemPANAFACOM LTD·Filed 1978·Granted Dec 4, 1979·3 cites·7 claims
- 2429US4602330AData processorPANAFACOM LTD·Filed 1984·Granted Jul 22, 1986·12 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →