Inventor · disambiguated record

Hihumi Nagai

Also filed as: NAGAI HIHUMI

3 granted patents·24 citations·filing 1989–1991

68Inventor score

Technology areasG11B

Files withNIPPON MINING CO3

Top patents by PatentIndex Score

3 records

0172US5026614AMagnetic recording medium with a zinc cobalt oxide non-magnetic substrate containing nickel or manganeseNIPPON MINING CO·Filed 1989·Granted Jun 25, 1991·15 cites·9 claims
0248US5231555AMagnetic head comprising a laminated magnetic layer structure between non magnetic rock salt structure oxide substratesNIPPON MINING CO·Filed 1991·Granted Jul 27, 1993·7 cites·3 claims
0334US5089196ANon-magnetic substrate of magnetic head, magnetic head and method for producing substrateNIPPON MINING CO·Filed 1991·Granted Feb 18, 1992·2 cites·4 claims

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