Inventor · disambiguated record

Sigeo Maruyama

Also filed as: MARUYAMA SIGEO

1 granted patent·14 citations·filing 1989–1989

35Inventor score

Technology areasG11B

Files withPIONEER ELECTRONIC CORP1

Top patents by PatentIndex Score

1 record

0160US5014258ADisc player having means for preventing disc magazine from being inserted upsidedownPIONEER ELECTRONIC CORP·Filed 1989·Granted May 7, 1991·14 cites·4 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →