Inventor · disambiguated record
Yasutaka Ota
Also filed as: OTA YASUTAKA
18 granted patents·200 citations·filing 1987–2002
94Inventor score
Top patents by PatentIndex Score
18 records- 0177US5735969AMethod of producing acicular magnetic alloy particlesIMATION CORP·Filed 1996·Granted Apr 7, 1998·33 cites·13 claims
- 0276US5531922AGranulated particles for magnetic particles for magnetic recording, and process for producing the sameTODA KOGYO CORP·Filed 1995·Granted Jul 2, 1996·33 cites·20 claims
- 0375US5156922AAcicular magnetic iron based alloy particles for magnetic recording and method of producing the sameTODA KOGYO CORP·Filed 1991·Granted Oct 20, 1992·25 cites·10 claims
- 0471US5645652ASpindle-shaped magnetic iron-based alloy particles containing cobalt and iron as the main ingredients and process for producing the sameTODA KOGYO CORP·Filed 1995·Granted Jul 8, 1997·29 cites·15 claims
- 0561US5466306ASpindle-shaped magnetic iron based alloy particlesTODA KOGYO CORP·Filed 1993·Granted Nov 14, 1995·11 cites·4 claims
- 0656US5137783AAcicular magnetic metal particles containing iron as main ingredient and process for producing the sameTODA KOGYO CORP·Filed 1990·Granted Aug 11, 1992·17 cites·9 claims
- 0754US7172642B2Magnetic 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
- 0847US6753084B2Spindle-shaped magnetic alloy particles for magnetic recording, and magnetic recording mediumTODA KOGYO CORP·Filed 2001·Granted Jun 22, 2004·7 cites·15 claims
- 0945US5599378ASpindle-shaped magnetic iron based alloy particles and process for producing the sameTODA KOGYO CORP·Filed 1995·Granted Feb 4, 1997·6 cites·8 claims
- 1045US4806429APlate-like barium ferrite particles suitable for use in magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 1987·Granted Feb 21, 1989·5 cites·3 claims
- 1144US4851292APlate-like barium ferrite particles suitable for use in magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 1987·Granted Jul 25, 1989·8 cites·3 claims
- 1243US6682813B2Magnetic acicular alloy particles containing iron as a main componentTODA KOGYO CORP·Filed 2002·Granted Jan 27, 2004·0 cites·2 claims
- 1343US4781981APlate-like magnetoplumbite ferrite particles for magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 1987·Granted Nov 1, 1988·9 cites·3 claims
- 1435US6447618B1Magnetic acicular alloy particles containing iron as a main componentTODA KOGYO CORP·Filed 1999·Granted Sep 10, 2002·2 cites·12 claims
- 1535US5968226AProcess of making goethite or iron-based alloy particlesTODA KOGYO CORP·Filed 1996·Granted Oct 19, 1999·4 cites·14 claims
- 1634US5989516ASpindle-shaped geothite particlesTODA KOGYO CORP·Filed 1997·Granted Nov 23, 1999·4 cites·4 claims
- 1733US5238483AAcicular magnetic iron based alloy particles for magnetic recording and method of producing the sameTODA KOGYO CORP·Filed 1992·Granted Aug 24, 1993·2 cites·2 claims
- 1832US4752407AProcess for producing plate-like barium ferrite particlesTODA KOGYO CORP·Filed 1987·Granted Jun 21, 1988·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →