Inventor · disambiguated record
Fumiyoshi Kirino
Also filed as: KIRINO FUMIYOSHI
42 granted patents·3 pending applications·1,425 citations·filing 1984–2004
98Inventor score
Top patents by PatentIndex Score
45 records- 0198US5333126AInformation recording method and optical disk apparatus using sameHITACHI LTD·Filed 1993·Granted Jul 26, 1994·144 cites·20 claims
- 0297US5732061ARecording method using trial write test patternHITACHI LTD·Filed 1996·Granted Mar 24, 1998·114 cites·25 claims
- 0397US5642343AMagnetooptic disc apparatus and recording mediumHITACHI LTD·Filed 1992·Granted Jun 24, 1997·117 cites·17 claims
- 0496US4645726ASolid state lithium batteryHITACHI LTD·Filed 1985·Granted Feb 24, 1987·117 cites·6 claims
- 0595US6730421B1Magnetic recording medium and its production method, and magnetic recorderHITACHI MAXELL·Filed 2000·Granted May 4, 2004·49 cites·34 claims
- 0695US5590111AMethod of controlling recording of optical recordsHITACHI LTD·Filed 1993·Granted Dec 31, 1996·73 cites·10 claims
- 0795US5513165AMethod for controlling the farm of a magnetic domain of a magneto-optical disk using pre-write testingHITACHI LTD·Filed 1993·Granted Apr 30, 1996·90 cites·23 claims
- 0894US4555456ACathode structure for thin film batteryHITACHI LTD·Filed 1984·Granted Nov 26, 1985·79 cites·7 claims
- 0993US5703855AOptical disk apparatus and recording and reading method for an optical disk using the sameHITACHI LTD·Filed 1994·Granted Dec 30, 1997·61 cites·7 claims
- 1092US6893746B1Magnetic recording medium with high thermal stability, method for producing the same, and magnetic recording apparatusHITACHI MAXELL·Filed 2000·Granted May 17, 2005·43 cites·37 claims
- 1192US5848045AMethod for recording and reading an optical diskHITACHI LTD·Filed 1997·Granted Dec 8, 1998·70 cites·14 claims
- 1290US6221508B1Magnetic recording mediaHITACHI LTD·Filed 1998·Granted Apr 24, 2001·47 cites·8 claims
- 1390US5457666ALight modulation method for forming a mark in magneto-optical recording systemHITACHI LTD·Filed 1993·Granted Oct 10, 1995·53 cites·25 claims
- 1489US6534206B1Information recording media and information recording driveHITACHI LTD·Filed 2000·Granted Mar 18, 2003·24 cites·1 claims
- 1589US6472047B1Magnetic recording diskHITACHI LTD·Filed 2000·Granted Oct 29, 2002·23 cites·11 claims
- 1688US6410133B1Magnetic recording disk, method of the magnetic recording disk and magnetic recording apparatusHITACHI LTD·Filed 2000·Granted Jun 25, 2002·21 cites·6 claims
- 1785US6749955B2Information recording media and information recording driveHITACHI LTD·Filed 2003·Granted Jun 15, 2004·16 cites·7 claims
- 1880US6700852B1Information recording medium with recording film with cobalt oxide crystalline particles, and information recording device including the sameHITACHI LTD·Filed 2000·Granted Mar 2, 2004·12 cites·8 claims
- 1979US6970400B1Information recording medium with magnetic marks, recording and reproducing apparatus therefor, and head positioning method using detected magnetic leakage fields from the magnetic marksHITACHI MAXELL·Filed 2000·Granted Nov 29, 2005·14 cites·15 claims
- 2077US6574060B2Magnetic storage apparatusHITACHI LTD·Filed 2001·Granted Jun 3, 2003·9 cites·6 claims
- 2177US5463600AMagneto-optical recording system using recording waveform having a plurality of power levels providing high recording densityHITACHI LTD·Filed 1994·Granted Oct 31, 1995·40 cites·26 claims
- 2276US6746749B2Magnetic recording diskHITACHI LTD·Filed 2002·Granted Jun 8, 2004·9 cites·4 claims
- 2375US5270987AMagneto-optical recording and reproducing method, magneto-optical memory apparatus and magneto-optical recording medium thereforHITACHI LTD·Filed 1990·Granted Dec 14, 1993·22 cites·53 claims
- 2473US5420846ARecording medium having a plurality of nonlinear transmission characteristicsHITACHI LTD·Filed 1993·Granted May 30, 1995·20 cites·21 claims
- 2572US6844092B2Optically functional element and production method and application thereforHITACHI LTD·Filed 2003·Granted Jan 18, 2005·10 cites·3 claims
- 2665US7050253B2Magnetic recording media and magnetic storage apparatus using the sameHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted May 23, 2006·4 cites·24 claims
- 2764US6790502B1Optically functional element and production method and application thereforHITACHI LTD·Filed 1999·Granted Sep 14, 2004·27 cites·8 claims
- 2862US7352658B2Method for recording information data to a recording medium by irradiation with a light beam and application of a magnetic fieldHITACHI MAXELL·Filed 2001·Granted Apr 1, 2008·4 cites·17 claims
- 2959US5914198AMagneto-optical recording medium having dielectric layers with different indices of refractionHITACHI LTD·Filed 1997·Granted Jun 22, 1999·14 cites·2 claims
- 3058US5321672AMethod of an apparatus for magneto-optically recording information by changing the position or shape or controlling the diameter of reversed domainsHITACHI LTD·Filed 1990·Granted Jun 14, 1994·11 cites·6 claims
- 3156US4838962AMagneto-optical recording mediumHITACHI LTD·Filed 1988·Granted Jun 13, 1989·9 cites·13 claims
- 3254US7227818B1Magneto-optical data recording/reproducing methodHITACHI LTD·Filed 1995·Granted Jun 5, 2007·11 cites·15 claims
- 3354US5814400AMagneto-optical recording medium and methodHITACHI LTD·Filed 1991·Granted Sep 29, 1998·10 cites·41 claims
- 3450US6699602B2Amorphous magnetic recording medium, process for producing the same and magnetic recording and reproduction apparatusHITACHI MAXELL·Filed 2002·Granted Mar 2, 2004·1 cites·16 claims
- 3549US6033792ASoft magnetic thin film, and magnetic head and magnetic recording device using the sameHITACHI LTD·Filed 1998·Granted Mar 7, 2000·8 cites·13 claims
- 3647US5873955ASoft magnetic thin film, and magnetic head and magnetic recording device using the sameHITACHI LTD·Filed 1996·Granted Feb 23, 1999·11 cites·11 claims
- 3747US5654058AMagneto-optical diskHITACHI LTD·Filed 1994·Granted Aug 5, 1997·11 cites·5 claims
- 3846US6944117B2Information recording medium and information recording deviceHITACHI LTD·Filed 2003·Granted Sep 13, 2005·0 cites·12 claims
- 3946US5962153ASoft magnetic thin film, and magnetic head and magnetic recording apparatus using the filmHITACHI LTD·Filed 1997·Granted Oct 5, 1999·9 cites·23 claims
- 4046US2004166376A1Magnetic recording medium, method for producing the same, and magnetic recording apparatusHITACHI MAXELL·Filed 2004·Application pending·0 cites
- 4145US5315577AOptical recording/reproducing by changing perpendicular magnetic anisotropy to non-perpendicular magnetic anisotropyHITACHI LTD·Filed 1992·Granted May 24, 1994·6 cites·10 claims
- 4243US5858548ASoft magnetic thin film, and magnetic head and magnetic recording device using the sameHITACHI LTD·Filed 1995·Granted Jan 12, 1999·12 cites·16 claims
- 4343US2002110707A1Magnetic recording disk, method of the magnetic recording disk and magnetic recording apparatusFiled 2002·Application pending·0 cites
- 4436US2003157373A1Magnetic recording medium, method of manufacture thereof, and magnetic recorderFiled 2001·Application pending·0 cites
- 4530US6572988B1Magnetic recording medium and magnetic recording apparatusHITACHI LTD·Filed 1999·Granted Jun 3, 2003·0 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Fumiyoshi Kirino files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →