Inventor · disambiguated record

Jack Yong Feng Zhang

Also filed as: ZHANG JACK · ZHANG JACK YONG FENG

2 granted patents·35 citations·filing 2000–2004

62Inventor score

Technology areasA45D B65B

Files withAMPHASTAR PHARMACEUTICALS1 NATURASTAR INC1

Top patents by PatentIndex Score

2 records

0173US6425403B1Hair dyeing process utilizing a heat application deviceNATURASTAR INC·Filed 2000·Granted Jul 30, 2002·27 cites·6 claims
0250US7341078B1Automatic container bulk filling processAMPHASTAR PHARMACEUTICALS·Filed 2004·Granted Mar 11, 2008·8 cites·2 claims

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