Inventor · disambiguated record
Akira Uragami
Also filed as: URAGAMI AKIRA
41 granted patents·6 pending applications·1,132 citations·filing 1974–2010
98Inventor score
Top patents by PatentIndex Score
47 records- 0195US5633766AMagnetic disk storage apparatus with phase sync circuit having controllable response characteristicsHITACHI LTD·Filed 1994·Granted May 27, 1997·72 cites·12 claims
- 0294US6149709AMethod of making iron and steelKOBE STEEL LTD·Filed 1998·Granted Nov 21, 2000·98 cites·19 claims
- 0393US6036744AMethod and apparatus for making metallic ironKOBE STEEL LTD·Filed 1997·Granted Mar 14, 2000·83 cites·28 claims
- 0493US5404250AMagnetic disk storage apparatus with phase sync circuit having controllable response characteristicHITACHI LTD·Filed 1994·Granted Apr 4, 1995·59 cites·2 claims
- 0590US6506231B2Method and apparatus for making metallic ironKOBE STEEL LTD·Filed 2001·Granted Jan 14, 2003·30 cites·6 claims
- 0690US6503289B2Process for manufacturing molten metal ironMIDREX INT BV ZUERICH·Filed 2001·Granted Jan 7, 2003·37 cites·8 claims
- 0790US4678943AInverting logic buffer BICMOS switching circuit using an enabling switch for three-state operation with reduced dissipationHITACHI LTD·Filed 1985·Granted Jul 7, 1987·51 cites·13 claims
- 0889US6413295B2Iron production method of operation in a rotary hearth furnace and improved furnace apparatusMIDREX INTERNAT B V ROTTERDAM·Filed 1999·Granted Jul 2, 2002·70 cites·34 claims
- 0988US6063156AProduction method of metallic ironKOBE STEEL LTD·Filed 1997·Granted May 16, 2000·62 cites·14 claims
- 1086US5673058AOne-chip semiconductor integrated circuit device capable of outputting analog color signal or digital color signalHITACHI LTD·Filed 1996·Granted Sep 30, 1997·70 cites·9 claims
- 1183US6284018B1Method of making iron and steelKOBE STEEL LTD·Filed 2000·Granted Sep 4, 2001·15 cites·2 claims
- 1283US3954921AGas-liquid contacting method and scrubber used thereforKOBE STEEL LTD·Filed 1974·Granted May 4, 1976·38 cites·2 claims
- 1382US6210462B1Method and apparatus for making metallic ironKOBE STEEL LTD·Filed 1998·Granted Apr 3, 2001·39 cites·15 claims
- 1481US4694203AHigh speed bi-comos switching circuitHITACHI LTD·Filed 1985·Granted Sep 15, 1987·28 cites·9 claims
- 1580US7938883B2Method and apparatus for making metallic ironKOBE STEEL LTD·Filed 2007·Granted May 10, 2011·3 cites·22 claims
- 1680US6432533B1Metallic iron containing slagKOBE STEEL LTD·Filed 2000·Granted Aug 13, 2002·11 cites·3 claims
- 1780US5999353AMagnetic disk storage apparatus with phase sync circuit having controllable response characteristicHITACHI LTD·Filed 1997·Granted Dec 7, 1999·28 cites·24 claims
- 1880US4689503ALevel conversion circuitry for a semiconductor integrated circuit utilizing bis CMOS circuit elementsHITACHI LTD·Filed 1984·Granted Aug 25, 1987·16 cites·42 claims
- 1980US4645951ASemiconductor integrated circuit having a C-MOS internal logic block and an output buffer for providing ECL level signalsHITACHI LTD·Filed 1984·Granted Feb 24, 1987·48 cites·14 claims
- 2079US5515068AOne-chip semiconductor integrated circuit device capable of outputting analog color signal or digital color signalHITACHI LTD·Filed 1994·Granted May 7, 1996·72 cites·8 claims
- 2178US5062011AAddress mark generating method and its circuit in a data memoryHITACHI LTD·Filed 1989·Granted Oct 29, 1991·24 cites·14 claims
- 2277US4710842ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1986·Granted Dec 1, 1987·19 cites·15 claims
- 2373US7780756B2Ore reduction process and titanium oxide and iron metallization productDU PONT·Filed 2009·Granted Aug 24, 2010·2 cites·12 claims
- 2473US5053909ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1989·Granted Oct 1, 1991·16 cites·11 claims
- 2568US5745066AAD converter and magnetic recording/regenerating apparatus using thereofHITACHI LTD·Filed 1996·Granted Apr 28, 1998·17 cites·30 claims
- 2668US4683384AIntegrated circuit having input and output drivers cascaded between I/O pads and internal circuitryHITACHI LTD·Filed 1986·Granted Jul 28, 1987·17 cites·14 claims
- 2762US5245224ALevel conversion circuitry for a semiconductor integrated circuitHITACHI LTD·Filed 1992·Granted Sep 14, 1993·17 cites·19 claims
- 2856US5157354APhase-locked loop IC having ECL buffersHITACHI LTD·Filed 1991·Granted Oct 20, 1992·22 cites·31 claims
- 2956US2007068344A1Ore reduction process and titanium oxide and iron metallization productBARNES JOHN J·Filed 2006·Application pending·0 cites
- 3052US4827368ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1987·Granted May 2, 1989·7 cites·15 claims
- 3149US4983862ASemiconductor integrated circuit with a bi-MOS input circuit for providing input signals to an internal logic blockHITACHI LTD·Filed 1989·Granted Jan 8, 1991·5 cites·62 claims
- 3248US2003061909A1Method and apparatus for making metallic ironKOBE STEEL LTD·Filed 2002·Application pending·0 cites
- 3347US2010285326A1Ore reduction process and titanium oxide and iron metallization productDU PONT·Filed 2010·Application pending·0 cites
- 3447US2009282950A1Process for producing metallic ironKOBE STEEL LTD·Filed 2006·Application pending·0 cites
- 3546US5557274AAd converter and magnetic recording/regenerating apparatus using the sameHITACHI LTD·Filed 1994·Granted Sep 17, 1996·5 cites·7 claims
- 3644US5463504AMagnetic disk system and waveform equalizer thereforHITACHI LTD·Filed 1993·Granted Oct 31, 1995·5 cites·13 claims
- 3744US5265045ASemiconductor integrated circuit device with built-in memory circuit groupHITACHI LTD·Filed 1991·Granted Nov 23, 1993·9 cites·13 claims
- 3843US5475715ASync data introduction method and systemHITACHI LTD·Filed 1992·Granted Dec 12, 1995·5 cites·21 claims
- 3941US6266200B1Magnetic disk storage apparatusHITACHI LTD·Filed 1999·Granted Jul 24, 2001·4 cites·9 claims
- 4041US5377136ASemiconductor integrated circuit device with built-in memory circuit groupHITACHI LTD·Filed 1993·Granted Dec 27, 1994·8 cites·7 claims
- 4141US5053644ASemiconductor integrated circuitHITACHI LTD·Filed 1986·Granted Oct 1, 1991·5 cites·9 claims
- 4241US2002005089A1Method of and apparatus for manufacturing the metallic ironKOBE STEEL LTD·Filed 2001·Application pending·0 cites
- 4338US2012006449A1Method for producing metallic ironHINO MITSUTAKA·Filed 2010·Application pending·0 cites
- 4436US5103120ALevel conversion circuitry for a semiconductor integrated circuitHITACHI LTD·Filed 1991·Granted Apr 7, 1992·2 cites·14 claims
- 4534US5398047ASemiconductor integrated circuit device including high-speed operating circuit and low-speed operating circuit, and system using the sameHITACHI LTD·Filed 1993·Granted Mar 14, 1995·9 cites·31 claims
- 4630US5512847ABiCMOS tri-state output driverHITACHI LTD·Filed 1994·Granted Apr 30, 1996·0 cites·28 claims
- 4730US5001487ASemiconductor integrated circuit deviceHITACHI LTD·Filed 1990·Granted Mar 19, 1991·4 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →