Inventor · disambiguated record

Shigehiko Hiraoka

Also filed as: HIRAOKA SHIGEHIKO

1 granted patent·23 citations·filing 1988–1988

41Inventor score

Technology areasG11B

Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD1

Top patents by PatentIndex Score

1 record

0175US4789979AOptical disk exclusively used for reproduction wherein guide grooves located between data managing information and data recording regions have no track address sectionsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1988·Granted Dec 6, 1988·23 cites·2 claims

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