Inventor · disambiguated record
Nobusuke Takumi
Also filed as: TAKUMI NOBUSUKE
5 granted patents·122 citations·filing 1983–1996
80Inventor score
Top patents by PatentIndex Score
5 records- 0192US5585032AFerromagnetic fine powder for magnetic recordingISHIHARA SANGYO KAISHA·Filed 1995·Granted Dec 17, 1996·103 cites·9 claims
- 0246US5246609AProcess for preparing ferromagnetic fine particles for magnetic recordingISHIHARA SANGYO KAISHA·Filed 1992·Granted Sep 21, 1993·7 cites·22 claims
- 0339US4551327AProcess for producing cobalt-and ferrous iron-containing ferromagnetic iron oxidesISHIHARA SANGYO KAISHA·Filed 1983·Granted Nov 5, 1985·4 cites·12 claims
- 0437US4594267AProcess for producing cobalt-containing magnetic iron oxide powderISHIHARA MINING & CHEMICAL CO·Filed 1985·Granted Jun 10, 1986·4 cites·4 claims
- 0535US5609789ACobalt-containing magnetic iron oxide and process for producing the sameISHIHARA SANGYO KAISHA·Filed 1996·Granted Mar 11, 1997·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →