Inventor · disambiguated record

Masumi Yokoyama

Also filed as: YOKOYAMA MASUMI

1 granted patent·70 citations·filing 1999–1999

51Inventor score

Technology areasG03H

Files withNIPPON MITSUBISHI OIL CORP1

Top patents by PatentIndex Score

1 record

0178US6628439B2Genuineness detecting system and method for using genuineness detecting filmNIPPON MITSUBISHI OIL CORP·Filed 1999·Granted Sep 30, 2003·70 cites·25 claims

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