Inventor · disambiguated record
Kiyomi Ejiri
Also filed as: EJIRI KIYOMI
78 granted patents·12 pending applications·1,257 citations·filing 1986–2019
99Inventor score
Files withFUJI PHOTO FILM CO LTD79FUJIFILM CORP8FUI PHOTO FILM CO LTD1ICHIKAWA TOMOHIRO1SAITO SHINJI1
Top patents by PatentIndex Score
90 records- 0199US5645917AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jul 8, 1997·148 cites·17 claims
- 0296US5827600AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Oct 27, 1998·122 cites·17 claims
- 0394US6835451B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2003·Granted Dec 28, 2004·43 cites·14 claims
- 0492US5496607AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1994·Granted Mar 5, 1996·144 cites·20 claims
- 0590US5258223AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1992·Granted Nov 2, 1993·50 cites·15 claims
- 0687US5763046AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Jun 9, 1998·25 cites·16 claims
- 0785US7381484B2Magnetic recording tapeFUJIFILM CORP·Filed 2005·Granted Jun 3, 2008·6 cites·8 claims
- 0885US6521361B2Magnetic recording medium having specified acicular ratio relationship between non-magnetic and ferromagnetic particlesFUJI PHOTO FILM CO LTD·Filed 2001·Granted Feb 18, 2003·19 cites·14 claims
- 0984US6383605B1Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2000·Granted May 7, 2002·18 cites·20 claims
- 1084US5718964AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Feb 17, 1998·42 cites·18 claims
- 1183US6475598B1Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2000·Granted Nov 5, 2002·17 cites·13 claims
- 1279US7352528B2Leader tape and magnetic tape cartridge using the sameFUJIFILM CORP·Filed 2005·Granted Apr 1, 2008·3 cites·9 claims
- 1379US6210775B1Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1999·Granted Apr 3, 2001·15 cites·9 claims
- 1479US5851622AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Dec 22, 1998·15 cites·13 claims
- 1579US5792543AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Aug 11, 1998·15 cites·31 claims
- 1679US5756148AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted May 26, 1998·15 cites·18 claims
- 1779US5455112AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1993·Granted Oct 3, 1995·27 cites·10 claims
- 1878US5811166AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Sep 22, 1998·14 cites·14 claims
- 1978US5219670AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1991·Granted Jun 15, 1993·26 cites·8 claims
- 2076US6773788B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2002·Granted Aug 10, 2004·10 cites·13 claims
- 2176US5780141AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Jul 14, 1998·13 cites·16 claims
- 2275US6579592B1Magnetic recording tape with controlled Hc and magnetic flux/unit area value and controlled Cl/Fe intensityFUJI PHOTO FILM CO LTD·Filed 1999·Granted Jun 17, 2003·26 cites·30 claims
- 2375US5795646AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Aug 18, 1998·12 cites·16 claims
- 2474US5811172AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Sep 22, 1998·12 cites·11 claims
- 2573US6479131B1Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2000·Granted Nov 12, 2002·9 cites·17 claims
- 2673US6428884B1Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2000·Granted Aug 6, 2002·9 cites·10 claims
- 2772US7283320B2Magnetic recording medium including servo and data bands in the magnetic layerFUJIFILM CORP·Filed 2004·Granted Oct 16, 2007·8 cites·13 claims
- 2872US6074724AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Jun 13, 2000·24 cites·32 claims
- 2971US5318838AMagnetic recording medium comprising ferromagnetic particles, binder resins and phenyl phosphonic acidFUJI PHOTO FILM CO LTD·Filed 1993·Granted Jun 7, 1994·33 cites·2 claims
- 3070US5447782AMagnetic recording medium having a specified thickness relationship between a nonmagnetic underlayer and overcoated magnetic layersFUJI PHOTO FILM CO LTD·Filed 1993·Granted Sep 5, 1995·18 cites·7 claims
- 3169US6602576B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2001·Granted Aug 5, 2003·7 cites·18 claims
- 3269US4801505AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jan 31, 1989·15 cites·6 claims
- 3367US6663955B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2002·Granted Dec 16, 2003·6 cites·3 claims
- 3467US6203934B1Magnetic recording mediumFUI PHOTO FILM CO LTD·Filed 1998·Granted Mar 20, 2001·21 cites·35 claims
- 3567US6143403AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1999·Granted Nov 7, 2000·8 cites·9 claims
- 3664US5904979AMagnetic recording systemFUJI PHOTO FILM CO LTD·Filed 1996·Granted May 18, 1999·17 cites·18 claims
- 3762US6582815B2Magnetic recording medium and manufacturing method of the sameFUJI PHOTO FILM CO LTD·Filed 2002·Granted Jun 24, 2003·4 cites·10 claims
- 3862US6020022AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Feb 1, 2000·12 cites·14 claims
- 3961US6534168B2Magnetic recording medium comprising a lower layer containing specific flat acicular α-iron oxide powderFUJI PHOTO FILM CO LTD·Filed 2001·Granted Mar 18, 2003·16 cites·11 claims
- 4061US6025082AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Feb 15, 2000·6 cites·13 claims
- 4161US5985408AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Nov 16, 1999·6 cites·12 claims
- 4261US4885208AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1987·Granted Dec 5, 1989·12 cites·9 claims
- 4360US6721123B2Magnetic tape recording medium, magnetic tape recording and reproducing apparatus, magnetic tape recording method and magnetic tape cassetteFUJI PHOTO FILM CO LTD·Filed 2001·Granted Apr 13, 2004·4 cites·18 claims
- 4460US5672423AMagnetic recording medium having an underlayer containing three different powdersFUJI PHOTO FILM CO LTD·Filed 1995·Granted Sep 30, 1997·14 cites·18 claims
- 4560US5064687AMethod for making magnetic recording mediaFUJI PHOTO FILM CO LTD·Filed 1991·Granted Nov 12, 1991·13 cites·6 claims
- 4658US6835438B2Magnetic recording tapeFUJI PHOTO FILM CO LTD·Filed 2003·Granted Dec 28, 2004·3 cites·14 claims
- 4758US6652999B2Magnetic recording medium and signal recording system comprising at least two magnetic layers with orthogonally oriented axesFUJI PHOTO FILM CO LTD·Filed 2001·Granted Nov 25, 2003·3 cites·10 claims
- 4858US6015602AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Jan 18, 2000·5 cites·14 claims
- 4957US6372325B1Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2000·Granted Apr 16, 2002·6 cites·6 claims
- 5055US6999255B2Magnetic recording and reproducing system and magnetic recording medium used thereinFUJI PHOTO FILM CO LTD·Filed 2002·Granted Feb 14, 2006·2 cites·12 claims
Showing the top 50 of 90 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →