Inventor · disambiguated record
Satoru Hayakawa
Also filed as: HAYAKAWA SATORU
35 granted patents·1 pending application·744 citations·filing 1988–2022
98Inventor score
Top patents by PatentIndex Score
36 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
- 0387US5763046AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Jun 9, 1998·25 cites·16 claims
- 0487US5384175AMagnetic 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
- 0584US7086623B2Leader tape and magnetic tape cartridgeFUJI PHOTO FILM CO LTD·Filed 2004·Granted Aug 8, 2006·17 cites·11 claims
- 0681US7384700B2Leader tape and magnetic tape cartridge using the sameFUJIFILM CORP·Filed 2005·Granted Jun 10, 2008·4 cites·12 claims
- 0779US6210775B1Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1999·Granted Apr 3, 2001·15 cites·9 claims
- 0879US5958565AMagnetic recording tape favorably employable for computer data storageFUJI PHOTO FILM CO LTD·Filed 1997·Granted Sep 28, 1999·31 cites·32 claims
- 0979US5851622AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Dec 22, 1998·15 cites·13 claims
- 1079US5792543AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Aug 11, 1998·15 cites·31 claims
- 1179US5756148AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted May 26, 1998·15 cites·18 claims
- 1278US6429411B1Magnetic tape processing method and magnetic tape processing apparatus having an optical systemFUJI PHOTO FILM CO LTD·Filed 1999·Granted Aug 6, 2002·29 cites·16 claims
- 1378US5811166AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Sep 22, 1998·14 cites·14 claims
- 1476US5780141AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Jul 14, 1998·13 cites·16 claims
- 1575US5795646AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Aug 18, 1998·12 cites·16 claims
- 1674US7485379B2Magnetic recording mediumFUJIFILM CORP·Filed 2005·Granted Feb 3, 2009·2 cites·14 claims
- 1774US5811172AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Sep 22, 1998·12 cites·11 claims
- 1874US5300314AProcess for preparing a magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1992·Granted Apr 5, 1994·22 cites·10 claims
- 1974US5179487AMagnetic recording disk loaded in a cartridge with a specified linerFUJI PHOTO FILM CO LTD·Filed 1992·Granted Jan 12, 1993·21 cites·6 claims
- 2073US5358777AMagnetic recording medium comprising an underlayer of non magnetic powder and binder resin and a magnetic layer with a specified Young's modulusFUJI PHOTO FILM CO LTD·Filed 1993·Granted Oct 25, 1994·36 cites·7 claims
- 2171US5370917AMagnetic 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
- 2271US4851027AGradually effective, coated fertilizerKYOWA HAKKO KOGYO KK·Filed 1988·Granted Jul 25, 1989·21 cites·6 claims
- 2367US6143403AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1999·Granted Nov 7, 2000·8 cites·9 claims
- 2462US6020022AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Feb 1, 2000·12 cites·14 claims
- 2562US5091270AMagnetic recording medium lubricated by a mixture of methyl branched iso ester compounds synthesized by the oko processFUJI PHOTO FILM CO LTD·Filed 1989·Granted Feb 25, 1992·12 cites·10 claims
- 2661US6025082AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Feb 15, 2000·6 cites·13 claims
- 2761US5985408AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Nov 16, 1999·6 cites·12 claims
- 2860US6936328B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2003·Granted Aug 30, 2005·3 cites·12 claims
- 2958US6015602AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Jan 18, 2000·5 cites·14 claims
- 3058US5549955AMagnetic recording diskFUJI PHOTO FILM CO LTD·Filed 1995·Granted Aug 27, 1996·13 cites·6 claims
- 3158US5389418AFlexible magnetic recording disk and method for preparing the sameFUJI PHOTO FILM CO LTD·Filed 1993·Granted Feb 14, 1995·11 cites·11 claims
- 3258US2025326087A1Surface treatment method for structure, blast treatment apparatus, deposit removal method and apparatus incorporated in manufacturing facility for producing particulate product, and manufacturing method and facility for producing particulate productGRANDLINE INC·Filed 2022·Application pending·0 cites
- 3357US6916521B2Cleaning medium for magnetic recording apparatusFUJI PHOTO FILM CO LTD·Filed 2001·Granted Jul 12, 2005·3 cites·6 claims
- 3452US5061564AMagnetic recording medium comprising a polar group containing resin or compound and a methyl iso ester lubricant prepared from a methyl iso acid or methyl iso alcohol or bothFUJI PHOTO FILM CO LTD·Filed 1989·Granted Oct 29, 1991·8 cites·6 claims
- 3544US5888637AMagnetic recording medium tape favorably employable for computer data storageFUJI PHOTO FILM CO LTD·Filed 1997·Granted Mar 30, 1999·6 cites·25 claims
- 3633US5104751AMagnetic recording medium lubricant comprising a phthalic acid diester and fatty acid esterFUJI PHOTO FILM CO LTD·Filed 1991·Granted Apr 14, 1992·2 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →