Inventor · disambiguated record
Kouichi Masaki
Also filed as: MASAKI KOUICHI
22 granted patents·4 pending applications·445 citations·filing 1975–2008
96Inventor score
Top patents by PatentIndex Score
26 records- 0197US6994925B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2004·Granted Feb 7, 2006·105 cites·8 claims
- 0297US6770359B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2002·Granted Aug 3, 2004·103 cites·7 claims
- 0385US5489466AMagnetic recording medium comprising a lower nonmagnetic layer containing a surface coated inorganic powder and an upper magetic layerFUJI PHOTO FILM CO LTD·Filed 1994·Granted Feb 6, 1996·43 cites·14 claims
- 0480US4267207AProcess for producing cobalt-containing ferromagnetic iron oxide powderFUJI PHOTO FILM CO LTD·Filed 1979·Granted May 12, 1981·22 cites·20 claims
- 0579US6727009B2Magnetic recording medium comprising a magnetic layer exhibiting low ΔM valueFUJI PHOTO FILM CO LTD·Filed 2001·Granted Apr 27, 2004·13 cites·10 claims
- 0678US4108787AProcess for producing ferromagnetic iron oxideFUJI PHOTO FILM CO LTD·Filed 1975·Granted Aug 22, 1978·19 cites·3 claims
- 0777US5962125AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1997·Granted Oct 5, 1999·28 cites·17 claims
- 0865US6689455B2Method of producing hexagonal ferrite and magnetic recording medium using said hexagonal ferriteFUJI PHOTO FILM CO LTD·Filed 2002·Granted Feb 10, 2004·5 cites·7 claims
- 0965US6638599B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2001·Granted Oct 28, 2003·10 cites·7 claims
- 1062US7384449B2Ferromagnetic nanoparticles, material coated with dispersion of ferromagnetic nanoparticles, and magnetic recording medium using the materialFUJIFILM CORP·Filed 2006·Granted Jun 10, 2008·0 cites·15 claims
- 1155US6620499B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2002·Granted Sep 16, 2003·5 cites·3 claims
- 1254US6790523B2Magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2003·Granted Sep 14, 2004·2 cites·10 claims
- 1353US5698311AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Dec 16, 1997·10 cites·5 claims
- 1453US2009087688A1Iron nitride powder, method of manufacturing the same, and magnetic recording mediumFUJIFILM CORP·Filed 2008·Application pending·0 cites
- 1552US4917947AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1987·Granted Apr 17, 1990·15 cites·10 claims
- 1652US2003059604A1Material coated with dispersion of ferromagnetic nanoparticles, and magnetic recording medium using the materialFUJI PHOTO FILM CO LTD·Filed 2002·Application pending·0 cites
- 1750US2007231611A1Magnetic recording medium and process of producing the sameFUJIFILM CORP·Filed 2007·Application pending·0 cites
- 1848US7724249B1Terminal equipment for merging imaging data and text data, and transmitting and receiving the same on-lineFUJITSU LTD·Filed 1991·Granted May 25, 2010·29 cites·4 claims
- 1947US5770302AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1996·Granted Jun 23, 1998·7 cites·4 claims
- 2046US5540975AMagnetic recording medium comprising a magnetic layer of ferromagnetic metal powder and binder resin and having specified magnetic propertiesFUJI PHOTO FILM CO LTD·Filed 1995·Granted Jul 30, 1996·7 cites·12 claims
- 2144US5013602AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1988·Granted May 7, 1991·5 cites·9 claims
- 2242US4500599AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1984·Granted Feb 19, 1985·7 cites·3 claims
- 2342US2005003235A1Process of producing magnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 2004·Application pending·0 cites
- 2441US4713261AMethod for preparing ferromagnetic iron oxide particlesFUJI PHOTO FILM CO LTD·Filed 1986·Granted Dec 15, 1987·4 cites·6 claims
- 2539US4965125AMagnetic recording medium and the method for preparing the sameFUJI PHOTO FILM CO LTD·Filed 1988·Granted Oct 23, 1990·6 cites·8 claims
- 2630US5024885AMagnetic recording mediumFUJI PHOTO FILM CO LTD·Filed 1988·Granted Jun 18, 1991·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →