Inventor · disambiguated record
Ryo Imura
Also filed as: IMURA RYO
21 granted patents·437 citations·filing 1979–2002
96Inventor score
Files withHITACHI LTD21
Top patents by PatentIndex Score
21 records- 0192US5416331ASurface atom fabrication method and apparatusHITACHI LTD·Filed 1992·Granted May 16, 1995·69 cites·36 claims
- 0289US5796706AInformation recording apparatusHITACHI LTD·Filed 1997·Granted Aug 18, 1998·59 cites·4 claims
- 0388US4772976AProcess for preparing magnetic layer and magnetic head prepared using the sameHITACHI LTD·Filed 1985·Granted Sep 20, 1988·31 cites·8 claims
- 0478US5323375AInformation storage apparatusHITACHI LTD·Filed 1992·Granted Jun 21, 1994·28 cites·40 claims
- 0576US5604059AMask structure having phase shifting pattern suitable for forming fine pattern on photosensitive film and method of manufacturing solid-state devices using such mask structureHITACHI LTD·Filed 1994·Granted Feb 18, 1997·34 cites·13 claims
- 0674US5689494ASurface atom fabrication method and apparatusHITACHI LTD·Filed 1995·Granted Nov 18, 1997·22 cites·20 claims
- 0774US5627815APrecision machining method precision machining apparatus and data storage apparatus using the sameHITACHI LTD·Filed 1995·Granted May 6, 1997·22 cites·12 claims
- 0873US5808977ATracking method and recording means therebyHITACHI LTD·Filed 1996·Granted Sep 15, 1998·45 cites·14 claims
- 0967US5471064APrecision machining method, precision machining apparatus and data storage apparatus using the sameHITACHI LTD·Filed 1993·Granted Nov 28, 1995·24 cites·19 claims
- 1066US4476152AMethod for production of magnetic bubble memory deviceHITACHI LTD·Filed 1983·Granted Oct 9, 1984·13 cites·13 claims
- 1166US4460412AMethod of making magnetic bubble memory device by implanting hydrogen ions and annealingHITACHI LTD·Filed 1982·Granted Jul 17, 1984·14 cites·18 claims
- 1262US7190254B2Emigrant reception system, emigrant gate system, emigrant control system, emigrant control method, passport applicant information management method, layout of emigrant gate, immigrant reception system, immigrant gate system, immigrant control system, immigrant control method, layout of immigrant gate system, and passportHITACHI LTD·Filed 2002·Granted Mar 13, 2007·10 cites·4 claims
- 1361US4894098AProcess for preparing magnetic layer and magnetic head prepared using the sameHITACHI LTD·Filed 1988·Granted Jan 16, 1990·9 cites·18 claims
- 1455US4600488AControl method of magnetic anisotropy and device utilizing the control methodHITACHI LTD·Filed 1985·Granted Jul 15, 1986·9 cites·36 claims
- 1551US5327371AInformation recording and reproducing apparatusHITACHI LTD·Filed 1992·Granted Jul 5, 1994·14 cites·24 claims
- 1651US5309388ASolid state magnetic memory deviceHITACHI LTD·Filed 1992·Granted May 3, 1994·14 cites·15 claims
- 1744US4701385AIon-implanted magnetic bubble device and a method of manufacturing the sameHITACHI LTD·Filed 1984·Granted Oct 20, 1987·8 cites·12 claims
- 1843US4556582AMethod of fabricating magnetic bubble memory deviceHITACHI LTD·Filed 1982·Granted Dec 3, 1985·5 cites·14 claims
- 1940US4321690AMagnetic bubble memory moduleHITACHI LTD·Filed 1979·Granted Mar 23, 1982·4 cites·7 claims
- 2036US4556583AMethod of fabricating magnetic bubble memory deviceHITACHI LTD·Filed 1982·Granted Dec 3, 1985·3 cites·22 claims
- 2133US4246646AMagnetic bubble chip-mounting planeHITACHI LTD·Filed 1979·Granted Jan 20, 1981·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →