Inventor · disambiguated record

Kuan-Chung Chang

Also filed as: CHANG KUAN-CHUNG

1 granted patent·13 citations·filing 2002–2002

35Inventor score

Technology areasG11B

Files withTECH MEDIA CORP U1

Top patents by PatentIndex Score

1 record

0166US6901043B2Scratch-off material layer applied on optical recording mediaTECH MEDIA CORP U·Filed 2002·Granted May 31, 2005·13 cites·27 claims

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