Inventor · disambiguated record
Osamu Yumoto
Also filed as: YUMOTO OSAMU
7 granted patents·301 citations·filing 1975–1995
88Inventor score
Files withHITACHI LTD7
Top patents by PatentIndex Score
7 records- 0194US4511990ADigital processor with floating point multiplier and adder suitable for digital signal processingHITACHI LTD·Filed 1981·Granted Apr 16, 1985·126 cites·11 claims
- 0289US4459698AVariable equalizerHITACHI LTD·Filed 1982·Granted Jul 10, 1984·79 cites·13 claims
- 0375US4620292AArithmetic logic unit for floating point data and/or fixed point dataHITACHI LTD·Filed 1985·Granted Oct 28, 1986·45 cites·20 claims
- 0457US4592006AAdder for floating point data suitable for digital signal processingHITACHI LTD·Filed 1985·Granted May 27, 1986·20 cites·9 claims
- 0555US3992232AMethod of manufacturing semiconductor device having oxide isolation structure and guard ringHITACHI LTD·Filed 1975·Granted Nov 16, 1976·16 cites·14 claims
- 0648US4080580AVariable equalizerHITACHI LTD·Filed 1976·Granted Mar 21, 1978·9 cites·6 claims
- 0736US5670868ALow-constant voltage supply circuitHITACHI LTD·Filed 1995·Granted Sep 23, 1997·6 cites·16 claims
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