Inventor · disambiguated record
Yutaka Sugita
Also filed as: SUGITA YUTAKA
64 granted patents·2 pending applications·695 citations·filing 1973–2019
99Inventor score
Top patents by PatentIndex Score
66 records- 0192US5245493AMagnetic information storage apparatus including magnetic head and method for making magnetic headHITACHI LTD·Filed 1990·Granted Sep 14, 1993·68 cites·22 claims
- 0288US4772976AProcess for preparing magnetic layer and magnetic head prepared using the sameHITACHI LTD·Filed 1985·Granted Sep 20, 1988·31 cites·8 claims
- 0386US4581579AOptical magnetic-field measuring apparatus having improved temperature characteristicsHITACHI LTD·Filed 1983·Granted Apr 8, 1986·43 cites·8 claims
- 0484US4604577ATemperature-compensated magnetic field measuring instrumentHITACHI LTD·Filed 1983·Granted Aug 5, 1986·39 cites·23 claims
- 0583US4788672AMethod and apparatus for controlling renewal of data in optical disc memoryHITACHI LTD·Filed 1986·Granted Nov 29, 1988·26 cites·23 claims
- 0676US5475656AOptical disk memory and information processing apparatusHITACHI LTD·Filed 1991·Granted Dec 12, 1995·25 cites·23 claims
- 0776US5051856AThin film magnetic head with mixed crystal structuresHITACHI LTD·Filed 1989·Granted Sep 24, 1991·23 cites·13 claims
- 0875US5371730AOptical memory and information processing apparatusHITACHI LTD·Filed 1990·Granted Dec 6, 1994·23 cites·23 claims
- 0972US5317556AInformation processing apparatus and optical head incorporated thereinHITACHI LTD·Filed 1990·Granted May 31, 1994·21 cites·29 claims
- 1070US5541789AMagnetic recording apparatus with magnetic head on slider having applied load larger than buoyant force acting on slider so that gap between magnetic head and magnetic disk is smaller than total thickness of protective layer and lubricating layer on diskHITACHI LTD·Filed 1995·Granted Jul 30, 1996·23 cites·12 claims
- 1168US4415262APhotomaskHITACHI LTD·Filed 1982·Granted Nov 15, 1983·28 cites·24 claims
- 1267US5109311AMagnetic disk device and method of recording/retrieving informationHITACHI LTD·Filed 1991·Granted Apr 28, 1992·17 cites·38 claims
- 1366US4476152AMethod for production of magnetic bubble memory deviceHITACHI LTD·Filed 1983·Granted Oct 9, 1984·13 cites·13 claims
- 1466US4460412AMethod of making magnetic bubble memory device by implanting hydrogen ions and annealingHITACHI LTD·Filed 1982·Granted Jul 17, 1984·14 cites·18 claims
- 1564US4889757AOptical recording diskHITACHI LTD·Filed 1987·Granted Dec 26, 1989·12 cites·34 claims
- 1663US5583840AROM type optical recording medium with a high reflectivity and an optical head operable on ROM, write-one and rewritable diskHITACHI LTD·Filed 1994·Granted Dec 10, 1996·14 cites·36 claims
- 1763US5296979AMagnetic disc apparatus with thin film head suitable for high-density recordingHITACHI LTD·Filed 1992·Granted Mar 22, 1994·14 cites·36 claims
- 1862US4404233AIon implanting methodHITACHI LTD·Filed 1981·Granted Sep 13, 1983·23 cites·6 claims
- 1961US4894098AProcess for preparing magnetic layer and magnetic head prepared using the sameHITACHI LTD·Filed 1988·Granted Jan 16, 1990·9 cites·18 claims
- 2060US5274612AInformation processor and disk memory used in the sameHITACHI LTD·Filed 1991·Granted Dec 28, 1993·13 cites·12 claims
- 2159US5350886AMounting substrateHITACHI LTD·Filed 1991·Granted Sep 27, 1994·28 cites·23 claims
- 2257US5316617AThin film magnetic head and method of manufacturing the sameHITACHI LTD·Filed 1993·Granted May 31, 1994·13 cites·15 claims
- 2356US5307214AMagnetic recording apparatusHITACHI LTD·Filed 1992·Granted Apr 26, 1994·11 cites·13 claims
- 2456US4838962AMagneto-optical recording mediumHITACHI LTD·Filed 1988·Granted Jun 13, 1989·9 cites·13 claims
- 2555US4600488AControl method of magnetic anisotropy and device utilizing the control methodHITACHI LTD·Filed 1985·Granted Jul 15, 1986·9 cites·36 claims
- 2655US4502916AProcess for forming fine patternsHITACHI LTD·Filed 1984·Granted Mar 5, 1985·19 cites·7 claims
- 2753US3932688AComposite magnetic filmHITACHI LTD·Filed 1973·Granted Jan 13, 1976·8 cites·17 claims
- 2852US4707755AOptical read-out magnetic headHITACHI LTD·Filed 1986·Granted Nov 17, 1987·8 cites·7 claims
- 2952US2021395461A1Resin composition, photosensitive resin composition, cured film, method for manufacturing cured film, patterned cured film, method for producing patterned cured filmCENTRAL GLASS CO LTD·Filed 2019·Application pending·0 cites
- 3050US4923765AMagneto-optical recording mediumHITACHI LTD·Filed 1989·Granted May 8, 1990·7 cites·6 claims
- 3150US4880694AMagneto-optical recording materialHITACHI LTD·Filed 1988·Granted Nov 14, 1989·7 cites·20 claims
- 3250US4502129AMagnetic bubble detectorHITACHI LTD·Filed 1983·Granted Feb 26, 1985·7 cites·7 claims
- 3349US4344153AMagnetic bubble memory device and method of fabricating the sameHITACHI LTD·Filed 1979·Granted Aug 10, 1982·5 cites·10 claims
- 3448US4145750AField access magnetic bubble memory deviceHITACHI LTD·Filed 1977·Granted Mar 20, 1979·5 cites·14 claims
- 3547US4622264AGarnet film for magnetic bubble memory elementHITACHI LTD·Filed 1983·Granted Nov 11, 1986·7 cites·6 claims
- 3645US2021061827A1Silicon Compound Containing Hexafluoroisopropanol Group, and Method for Producing SameCENTRAL GLASS CO LTD·Filed 2019·Application pending·0 cites
- 3744US4701385AIon-implanted magnetic bubble device and a method of manufacturing the sameHITACHI LTD·Filed 1984·Granted Oct 20, 1987·8 cites·12 claims
- 3844US4525808AHybrid magnetic bubble memory deviceHITACHI LTD·Filed 1984·Granted Jun 25, 1985·5 cites·2 claims
- 3943US4556582AMethod of fabricating magnetic bubble memory deviceHITACHI LTD·Filed 1982·Granted Dec 3, 1985·5 cites·14 claims
- 4042US4584668AMagnetic bubble memory deviceHITACHI LTD·Filed 1984·Granted Apr 22, 1986·4 cites·11 claims
- 4142US4510231AMethod for manufacturing a magnetic bubble memoryHITACHI LTD·Filed 1983·Granted Apr 9, 1985·5 cites·21 claims
- 4241US5639547AMagnetic heads and magnetic recording reproducing devices using magnetic laminationsHITACHI MAXELL·Filed 1993·Granted Jun 17, 1997·8 cites·51 claims
- 4341US4546452AMagnetic bubble deviceHITACHI LTD·Filed 1983·Granted Oct 8, 1985·4 cites·3 claims
- 4440US9758694B2Curable resin composition, cured product thereof, and semiconductor device using the sameCENTRAL GLASS CO LTD·Filed 2016·Granted Sep 12, 2017·0 cites·56 claims
- 4540US4589094AMagnetic bubble deviceHITACHI LTD·Filed 1984·Granted May 13, 1986·3 cites·6 claims
- 4640US4528645AMagnetic bubble memory deviceHITACHI LTD·Filed 1982·Granted Jul 9, 1985·3 cites·13 claims
- 4739US4532180AGarnet film for ion-implanted magnetic bubble deviceHITACHI LTD·Filed 1983·Granted Jul 30, 1985·4 cites·5 claims
- 4837US4503517AMagnetic bubble memory deviceHITACHI LTD·Filed 1983·Granted Mar 5, 1985·3 cites·4 claims
- 4936US4556583AMethod of fabricating magnetic bubble memory deviceHITACHI LTD·Filed 1982·Granted Dec 3, 1985·3 cites·22 claims
- 5036US4267230AFilm for a magnetic bubble domain deviceHITACHI LTD·Filed 1979·Granted May 12, 1981·4 cites·3 claims
Showing the top 50 of 66 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →