Inventor · disambiguated record
Tosiharu Harada
Also filed as: HARADA TOSIHARU
14 granted patents·135 citations·filing 1977–1999
92Inventor score
Files withTODA KOGYO CORP14
Top patents by PatentIndex Score
14 records- 0180US4136158AProduction of acicular magnetic iron oxidesTODA KOGYO CORP·Filed 1977·Granted Jan 23, 1979·21 cites·17 claims
- 0268US4406694AProcess for producing acicular ferromagnetic alloy particles and acicular ferromagnetic alloy particles obtained by the said processTODA KOGYO CORP·Filed 1981·Granted Sep 27, 1983·16 cites·8 claims
- 0367US4873010ASpindle-like magnetic iron oxide particles and process for producing the sameTODA KOGYO CORP·Filed 1987·Granted Oct 10, 1989·15 cites·20 claims
- 0466US4514216AAcicular ferromagnetic alloy particles for magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 1984·Granted Apr 30, 1985·12 cites·6 claims
- 0561US5466306ASpindle-shaped magnetic iron based alloy particlesTODA KOGYO CORP·Filed 1993·Granted Nov 14, 1995·11 cites·4 claims
- 0661US5314750AMagnetic iron oxide particles and method of producing sameTODA KOGYO CORP·Filed 1992·Granted May 24, 1994·20 cites·8 claims
- 0761US4495164AProcess for producing acicular magnetite or acicular maghemiteTODA KOGYO CORP·Filed 1983·Granted Jan 22, 1985·11 cites·3 claims
- 0847US5399278AProcess for producing acicular goethite particles and acicular magnetic iron oxide particlesTODA KOGYO CORP·Filed 1993·Granted Mar 21, 1995·10 cites·9 claims
- 0946US4437881AAcicular ferromagnetic alloy particles and process for producing said particlesTODA KOGYO CORP·Filed 1983·Granted Mar 20, 1984·5 cites·15 claims
- 1045US5599378ASpindle-shaped magnetic iron based alloy particles and process for producing the sameTODA KOGYO CORP·Filed 1995·Granted Feb 4, 1997·6 cites·8 claims
- 1137US5480571AProcess for producing acicular goethite particles and acicular magnetic iron oxide particlesTODA KOGYO CORP·Filed 1994·Granted Jan 2, 1996·3 cites·14 claims
- 1234US5378380AProcess for producing acicular geothite particles and acicular magnetic iron oxide particlesTODA KOGYO CORP·Filed 1993·Granted Jan 3, 1995·2 cites·12 claims
- 1332US6153296AAcicular hematite particles and magnetic recording mediumTODA KOGYO CORP·Filed 1999·Granted Nov 28, 2000·1 cites·17 claims
- 1430US5582914AMagnetic iron oxide particles and method of producing the sameTODA KOGYO CORP·Filed 1994·Granted Dec 10, 1996·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →