Inventor · disambiguated record
Masaru Isoai
Also filed as: ISOAI MASARU
9 granted patents·79 citations·filing 1987–2001
87Inventor score
Files withTODA KOGYO CORP9
Top patents by PatentIndex Score
9 records- 0167US4873010ASpindle-like magnetic iron oxide particles and process for producing the sameTODA KOGYO CORP·Filed 1987·Granted Oct 10, 1989·15 cites·20 claims
- 0264US5587232ANon-magnetic particles for non-magnetic undercoating layer of magnetic recording medium, non-magnetic undercoating layer containing the same, and magnetic recording medium having the undercoating layerTODA KOGYO CORP·Filed 1993·Granted Dec 24, 1996·25 cites·14 claims
- 0361US5314750AMagnetic iron oxide particles and method of producing sameTODA KOGYO CORP·Filed 1992·Granted May 24, 1994·20 cites·8 claims
- 0458US6476112B2Calcium-iron oxide composite particlesTODA KOGYO CORP·Filed 2001·Granted Nov 5, 2002·3 cites·11 claims
- 0542US5993536AMethod of decoloring colored concreteTODA KOGYO CORP·Filed 1998·Granted Nov 30, 1999·7 cites·13 claims
- 0637US5480571AProcess for producing acicular goethite particles and acicular magnetic iron oxide particlesTODA KOGYO CORP·Filed 1994·Granted Jan 2, 1996·3 cites·14 claims
- 0734US5378380AProcess for producing acicular geothite particles and acicular magnetic iron oxide particlesTODA KOGYO CORP·Filed 1993·Granted Jan 3, 1995·2 cites·12 claims
- 0833US6228924B1Calcium-iron oxide composite particles and resin molded product containing the sameTODA KOGYO CORP·Filed 1998·Granted May 8, 2001·2 cites·4 claims
- 0930US5582914AMagnetic 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 →