Inventor · disambiguated record
Hing Y. Ngai
Also filed as: NGAI HING Y
8 granted patents·1 pending application·540 citations·filing 1994–2002
91Inventor score
Top patents by PatentIndex Score
9 records- 0196US6487362B1Enhancing operations of video tape cassette playersINDEX SYSTEMS INC·Filed 1996·Granted Nov 26, 2002·143 cites·21 claims
- 0295US5706145AApparatus and methods for audio tape indexing with data signals recorded in the guard bandFiled 1994·Granted Jan 6, 1998·125 cites·33 claims
- 0393US6701060B2Enhancing operations of video tape cassette playersINDEX SYSTEM INC·Filed 2001·Granted Mar 2, 2004·47 cites·49 claims
- 0490US7499628B2Enhancing operations of video tape cassette playersINDEX SYSTEMS INC·Filed 2002·Granted Mar 3, 2009·22 cites·23 claims
- 0590US5619383AMethod and apparatus for reading and writing audio and digital data on a magnetic tapeGEMSTAR DEV CORP·Filed 1995·Granted Apr 8, 1997·107 cites·14 claims
- 0680US6125231AMethod of adding titles to a directory of television programs recorded on a video tapeINDEX SYSTEMS INC·Filed 1997·Granted Sep 26, 2000·68 cites·2 claims
- 0776US6636268B1VBI inserterINDEX SYSTEMS INC·Filed 2000·Granted Oct 21, 2003·16 cites·10 claims
- 0860US5502694AMethod and apparatus for compressed data transmissionFiled 1994·Granted Mar 26, 1996·12 cites·16 claims
- 0944US2003194200A1Enhancing operations of video tape cassette playersINDEX SYSTEMS INC·Filed 2002·Application pending·0 cites
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