Inventor · disambiguated record
Norimichi Nagai
Also filed as: NAGAI NORIMICHI
18 granted patents·187 citations·filing 1983–2015
94Inventor score
Files withTODA KOGYO CORP18
Top patents by PatentIndex Score
18 records- 0181US4548801APlate-like barium ferrite particles for use in magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 1984·Granted Oct 22, 1985·21 cites·11 claims
- 0279US5075169APlate-like composite ferrite particles for magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 1989·Granted Dec 24, 1991·24 cites·6 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
- 0470US10570016B2Carbon nanotube and process for producing the carbon nanotube, and lithium ion secondary battery using the carbon nanotubeTODA KOGYO CORP·Filed 2015·Granted Feb 25, 2020·1 cites·8 claims
- 0568US4529524AProcess for producing plate-like barium ferrite particles for magnetic recordingTODA KOGYO CORP·Filed 1984·Granted Jul 16, 1985·12 cites·14 claims
- 0665US4539129ABarium ferrite particles and process for producing said particlesTODA KOGYO CORP·Filed 1983·Granted Sep 3, 1985·11 cites·13 claims
- 0764US4585568APlate-like barium ferrite particles for magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 1984·Granted Apr 29, 1986·11 cites·13 claims
- 0862US4561988AProcess for production of plate-like barium ferrite particles for magnetic recordingTODA KOGYO CORP·Filed 1984·Granted Dec 31, 1985·9 cites·3 claims
- 0961US5466306ASpindle-shaped magnetic iron based alloy particlesTODA KOGYO CORP·Filed 1993·Granted Nov 14, 1995·11 cites·4 claims
- 1061US4584242APlate-like barium ferrite particles for magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 1985·Granted Apr 22, 1986·16 cites·2 claims
- 1158US4698182AHexagonal plate-like barium ferrite particles for magnetic recording and process for producing the sameTODA KOGYO CORP·Filed 1984·Granted Oct 6, 1987·9 cites·15 claims
- 1245US5599378ASpindle-shaped magnetic iron based alloy particles and process for producing the sameTODA KOGYO CORP·Filed 1995·Granted Feb 4, 1997·6 cites·8 claims
- 1345US4806429APlate-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
- 1444US4851292APlate-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
- 1543US4781981APlate-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
- 1634US5079092APlate-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
- 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 →