Inventor · disambiguated record
Kazuhiro Niitsuma
Also filed as: NIITSUMA KAZUHIRO
27 granted patents·7 pending applications·197 citations·filing 1992–2009
96Inventor score
Technology areasG11B
Top patents by PatentIndex Score
34 records- 0191US6909563B2Master carrier for magnetic transferFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jun 21, 2005·25 cites·4 claims
- 0287US5384175AMagnetic recording disc comprising a non-magnetic underlayer and a magnetic layer comprising ferromagnetic particles and a binderFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jan 24, 1995·41 cites·4 claims
- 0379US7502184B2Method of magnetic transfer and stopping slave medium rotationFUJIFILM CORP·Filed 2006·Granted Mar 10, 2009·3 cites·1 claims
- 0478US6906875B2Magnetic transfer deviceFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jun 14, 2005·12 cites·20 claims
- 0577US7054081B2Magnetic transfer apparatusFUJI PHOTO FILM CO LTD·Filed 2005·Granted May 30, 2006·2 cites·1 claims
- 0674US5300314AProcess for preparing a magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1992·Granted Apr 5, 1994·22 cites·10 claims
- 0774US5179487AMagnetic recording disk loaded in a cartridge with a specified linerFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jan 12, 1993·21 cites·6 claims
- 0873US7149042B2Master carrier for magnetic transferFUJI PHOTO FILM CO LTD·Filed 2004·Granted Dec 12, 2006·7 cites·6 claims
- 0973US6816327B2Master information carrier for magnetic transfer and magnetic transfer methodFUJI PHOTO FILM CO LTD·Filed 2002·Granted Nov 9, 2004·8 cites·8 claims
- 1071US5370917AMagnetic recording disc comprising magnetic powder and a binder in a container which includes a nonwoven fabric liner comprising polypropylene and rayon fibersFUJI PHOTO FILM CO LTD·Filed 1993·Granted Dec 6, 1994·19 cites·5 claims
- 1168US7187510B2Method of magnetic transfer to flexible mediumFUJI PHOTO FILM CO LTD·Filed 2002·Granted Mar 6, 2007·6 cites·19 claims
- 1264US6824835B2Flexible magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2002·Granted Nov 30, 2004·5 cites·6 claims
- 1362US7009790B2Magnetic transfer apparatusFUJI PHOTO FILM CO LTD·Filed 2002·Granted Mar 7, 2006·4 cites·6 claims
- 1459US6911270B2Master information carrier for magnetic transferFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jun 28, 2005·3 cites·9 claims
- 1557US7094481B2Master information carrier for magnetic transfer and magnetic transfer methodFUJI PHOTO FILM CO LTD·Filed 2004·Granted Aug 22, 2006·2 cites·10 claims
- 1656US7382558B2Magnetic transfer apparatusFUJIFILM CORP·Filed 2005·Granted Jun 3, 2008·0 cites·1 claims
- 1756US7054080B2Magnetic transfer apparatusFUJI PHOTO FILM CO LTD·Filed 2005·Granted May 30, 2006·0 cites·1 claims
- 1855US7465383B2Master information carrier for magnetic transfer and its production methodFUJIFILM CORP·Filed 2005·Granted Dec 16, 2008·0 cites·7 claims
- 1954US6909564B2Magnetic transfer apparatusFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jun 21, 2005·1 cites·2 claims
- 2053US2009244762A1Resist pattern forming method, mold structure producing method, magnetic recording medium producing method, magnetic transfer method and magnetic recording mediumFUJIFILM CORP·Filed 2009·Application pending·0 cites
- 2152US7038868B2Method of magnetic transfer and stopping slave medium rotationFUJI PHOTO FILM CO LTD·Filed 2003·Granted May 2, 2006·1 cites·18 claims
- 2252US6879452B2Master information carrier for magnetic transferFUJI PHOTO FILM CO LTD·Filed 2002·Granted Apr 12, 2005·1 cites·5 claims
- 2352US5455093AFlexible magnetic disk and process for preparing the sameFUJI PHOTO FILM CO LTD·Filed 1993·Granted Oct 3, 1995·8 cites·7 claims
- 2451US6985329B2Magnetic disk cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jan 10, 2006·1 cites·10 claims
- 2550US2008062548A1Master recording medium, magnetic transfer method, magnetic transfer apparatus, and magnetic recording medium and magnetic recording and reproducing apparatus thereby madeFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 2649US7368186B2Master carrier for magnetic transferFUJIFILM CORP·Filed 2004·Granted May 6, 2008·1 cites·6 claims
- 2749US2007217047A1Master medium for perpendicular magnetic transfer, method of perpendicular magnetic transfer, perpendicular magnetic recording medium and perpendicular magnetic recording apparatusFUJITSU LTD·Filed 2007·Application pending·0 cites
- 2846US2004180174A1Master information carrier for magnetic transfer and its production methodFUJI PHOTO FILM CO LTD·Filed 2004·Application pending·0 cites
- 2946US2006082913A1Patterned master carrier for magnetic transfer, magnetic recording medium, and magnetic recording/reproducing apparatusFUJI PHOTO FILM CO LTD·Filed 2005·Application pending·0 cites
- 3044US6876520B2Magnetic disk cartridgeFUJI PHOTO FILM CO LTD·Filed 2002·Granted Apr 5, 2005·0 cites·15 claims
- 3143US7630153B2Master carrier for magnetic transferFUJIFILM CORP·Filed 2004·Granted Dec 8, 2009·0 cites·12 claims
- 3240US2003099803A1Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2002·Application pending·0 cites
- 3339US5773137AMagnetic recording diskFUJI PHOTO FILM CO LTD·Filed 1996·Granted Jun 30, 1998·4 cites·16 claims
- 3439US2003017287A1Disk containerFUJI PHOTO FILM CO LTD·Filed 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →