Inventor · disambiguated record
Hidekazu Matsumoto
Also filed as: MATSUMOTO HIDEKAZU
13 granted patents·830 citations·filing 1981–1991
95Inventor score
Technology areasG06F
Files withHITACHI LTD13
Top patents by PatentIndex Score
13 records- 0195US4454578AData processing unit with pipelined operandsHITACHI LTD·Filed 1981·Granted Jun 12, 1984·158 cites·17 claims
- 0293US4481573AShared virtual address translation unit for a multiprocessor systemHITACHI LTD·Filed 1981·Granted Nov 6, 1984·134 cites·9 claims
- 0388US4523272ABus selection control in a data transmission apparatus for a multiprocessor systemHITACHI LTD·Filed 1982·Granted Jun 11, 1985·88 cites·12 claims
- 0487US4811269ABit slice multiplication circuitHITACHI LTD·Filed 1986·Granted Mar 7, 1989·95 cites·4 claims
- 0586US4839846AApparatus for performing floating point arithmetic operations and rounding the result thereofHITACHI LTD·Filed 1986·Granted Jun 13, 1989·91 cites·10 claims
- 0679US4530050ACentral processing unit for executing instructions of variable length having end information for operand specifiersHITACHI LTD·Filed 1982·Granted Jul 16, 1985·55 cites·4 claims
- 0773US4523276AInput/output control device with memory device for storing variable-length data and method of controlling thereofHITACHI LTD·Filed 1983·Granted Jun 11, 1985·41 cites·18 claims
- 0871US4520441AData processing systemHITACHI LTD·Filed 1981·Granted May 28, 1985·38 cites·3 claims
- 0965US4644490AFloating point data adderHITACHI LTD·Filed 1984·Granted Feb 17, 1987·30 cites·10 claims
- 1062US5003458ASuspended instruction restart processing system based on a checkpoint microprogram addressHITACHI LTD·Filed 1987·Granted Mar 26, 1991·31 cites·3 claims
- 1156US4807113AMicroprogrammed control data processing apparatus in which operand source and/or operand destination is determined independent of microprogram controlHITACHI LTD·Filed 1986·Granted Feb 21, 1989·24 cites·13 claims
- 1254US5146569ASystem for storing restart address of microprogram, determining the validity, and using valid restart address to resume execution upon removal of suspensionHITACHI LTD·Filed 1991·Granted Sep 8, 1992·29 cites·9 claims
- 1347US4896258AData processor provided with instructions which refer to both tagged and tagless dataHITACHI LTD·Filed 1986·Granted Jan 23, 1990·16 cites·21 claims
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