Inventor · disambiguated record
Tung-Hai Hsiao
Also filed as: HSIAO TUNG-HAI · HSIAO TUNG-HAI K
7 granted patents·2 pending applications·425 citations·filing 1989–2009
88Inventor score
Top patents by PatentIndex Score
9 records- 0194US4972461ACall message delivery system and methodAT & T BELL LAB·Filed 1989·Granted Nov 20, 1990·205 cites·23 claims
- 0286US7248683B2Call hold signalingAT & T CORP·Filed 2005·Granted Jul 24, 2007·9 cites·20 claims
- 0384US5333180ACall message delivery system and method utilizing caller-selected system announcementsAT & T BELL LAB·Filed 1991·Granted Jul 26, 1994·120 cites·17 claims
- 0482US4939771AAttendant-controlled call message delivery system and methodAT & T BELL LAB·Filed 1989·Granted Jul 3, 1990·75 cites·20 claims
- 0576US6925161B2Call hold signalingAT & T CORP·Filed 2002·Granted Aug 2, 2005·13 cites·26 claims
- 0672US7526077B2Call hold signalingAT & T CORP·Filed 2007·Granted Apr 28, 2009·2 cites·20 claims
- 0762US7822184B2Call hold signalingAT & T IP II·Filed 2009·Granted Oct 26, 2010·1 cites·20 claims
- 0841US2002091601A1Revolving credit method of charging for telecommunication servicesFiled 2001·Application pending·0 cites
- 0927US2002067817A1Method and apparatusfor use with an intelligent networkFiled 1998·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →