Inventor · disambiguated record
Masaaki Maekawa
Also filed as: MAEKAWA MASAAKI
12 granted patents·101 citations·filing 1990–2002
91Inventor score
Top patents by PatentIndex Score
12 records- 0179US6632771B1Silica gel carrying titanium oxide photocatalystSINTOKOGIO LTD·Filed 2000·Granted Oct 14, 2003·28 cites·2 claims
- 0278US6398863B1Spindle-shaped hematite particles and process for making spindle-shaped hematite particlesTODA KOGYO CORP·Filed 2001·Granted Jun 4, 2002·11 cites·8 claims
- 0369US5604015ANon-magnetic undercoat layer for magnetic recording medium, magnetic recording medium and non-magnetic particlesTODA KOGYO CORP·Filed 1994·Granted Feb 18, 1997·15 cites·12 claims
- 0460US6821618B2Magnetic recording medium and process for producing the sameTODA KOGYO CORP·Filed 2002·Granted Nov 23, 2004·8 cites·8 claims
- 0554US7172642B2Magnetic metal particles containing iron as main component, process for producing the same and magnetic recording medium using the sameTODA KOGYO CORP·Filed 2002·Granted Feb 6, 2007·2 cites·15 claims
- 0647US6753084B2Spindle-shaped magnetic alloy particles for magnetic recording, and magnetic recording mediumTODA KOGYO CORP·Filed 2001·Granted Jun 22, 2004·7 cites·15 claims
- 0747US5118575APlate-like composite ferrite fine particles for magnetic recording and a process for producing the sameTODA KOGYO CORP·Filed 1990·Granted Jun 2, 1992·12 cites·6 claims
- 0846US6309479B1Spindle-shaped goethite particles, spindle-shaped hematite particles and magnetic spindle-shaped metal particles containing iron as main componentTODA KOGYO CORP·Filed 1999·Granted Oct 30, 2001·6 cites·8 claims
- 0944US5830557ANon-magnetic undercoating layer for magnetic recording medium, magnetic recording medium and non-magnetic particlesTODA KOGYO CORP·Filed 1995·Granted Nov 3, 1998·5 cites·12 claims
- 1037US6916530B2Perpendicular magnetic recording mediumTODA KOGYO CORP·Filed 2002·Granted Jul 12, 2005·3 cites·21 claims
- 1134US5079092APlate-like composite ferrite fine particles suitable for use in magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 1990·Granted Jan 7, 1992·4 cites·8 claims
- 1230US5882795ANon-magnetic coated particles having a defined parameter α of not less than 0.5TODA KOGYO CORP·Filed 1995·Granted Mar 16, 1999·0 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →