Inventor · disambiguated record
Seiichi Hisano
Also filed as: HISANO SEIICHI
10 granted patents·94 citations·filing 1979–2000
89Inventor score
Files withDOWA MINING CO10
Top patents by PatentIndex Score
10 records- 0175US6440545B1Powder for use in lower layer of coating type magnetic recording mediumDOWA MINING CO·Filed 2000·Granted Aug 27, 2002·11 cites·11 claims
- 0271US5534361AFerromagnetic metal powderDOWA MINING CO·Filed 1994·Granted Jul 9, 1996·19 cites·18 claims
- 0367US6506264B1Ferromagnetic powderDOWA MINING CO·Filed 1998·Granted Jan 14, 2003·23 cites·6 claims
- 0467US5591535AFerromagnetic metal powderDOWA MINING CO·Filed 1995·Granted Jan 7, 1997·20 cites·17 claims
- 0556US6171692B1Particle for lower layer of coating type magnetic recording mediumDOWA MINING CO·Filed 2000·Granted Jan 9, 2001·3 cites·8 claims
- 0639US5183630AProcess for production of permanent magnet alloy having improved resistence to oxidationDOWA MINING CO·Filed 1991·Granted Feb 2, 1993·7 cites·46 claims
- 0737US5269855APermanent magnet alloy having improved resistanceDOWA MINING CO·Filed 1992·Granted Dec 14, 1993·5 cites·84 claims
- 0832US5902676ACoating type magnetic recording medium having a multilayer structureDOWA MINING CO·Filed 1997·Granted May 11, 1999·2 cites·6 claims
- 0931US6040043AParticles for lower layer of coating type magnetic recording mediumDOWA MINING CO·Filed 1997·Granted Mar 21, 2000·3 cites·5 claims
- 1024US4251497AMethod for measuring the basic amount in basic aluminum sulfate solution for removal of SO2 gasDOWA MINING CO·Filed 1979·Granted Feb 17, 1981·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →