Inventor · disambiguated record
Zhengrong Song
Also filed as: SONG ZHENGRONG
5 granted patents·351 citations·filing 2000–2009
85Inventor score
Technology areasG06Q
Top patents by PatentIndex Score
5 records- 0195US6865546B1Methods and systems of assisting users in purchasing itemsAMAZON COM INC·Filed 2000·Granted Mar 8, 2005·242 cites·42 claims
- 0292US7130820B2Methods and systems of assisting users in purchasing itemsAMAZON COM INC·Filed 2005·Granted Oct 31, 2006·51 cites·40 claims
- 0385US7660746B1Providing automated gift registry functionality to assist a user in purchasing an item for a recipientAMAZON TECH INC·Filed 2005·Granted Feb 9, 2010·14 cites·62 claims
- 0485US7580861B1Providing automated gift registry functionality to assist a user in purchasing an item for a recipientAMAZON TECH INC·Filed 2000·Granted Aug 25, 2009·36 cites·39 claims
- 0581US8346625B2Providing automated gift registry functionality to assist a user in purchasing an item for a recipientAMAZON TECH INC·Filed 2009·Granted Jan 1, 2013·8 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →