Inventor · disambiguated record

Zhigiang Zhang

Also filed as: ZHANG ZHIGIANG · ZHANG ZHIGIANG ZEEMAN

1 granted patent·1 pending application·109 citations·filing 2002–2004

53Inventor score

Technology areasC10M H04M

Files withASHLAND INC1 BELLSOUTH INTELLECT PTY CORP1

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2 records

0190US7035385B2Method and system for screening calls during voicemail messagingBELLSOUTH INTELLECT PTY CORP·Filed 2002·Granted Apr 25, 2006·109 cites·17 claims
0243US2005124504A1Lubricant and additive formulationASHLAND INC·Filed 2004·Application pending·0 cites

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Zhigiang Zhang — Patent Inventor | PatentIndex