Inventor · disambiguated record
Chao N. Liu
Also filed as: LIU CHAO N · LIU CHAO-NING
5 granted patents·204 citations·filing 1974–1980
82Inventor score
Files withIBM5
Top patents by PatentIndex Score
5 records- 0195US4128829ASignature verification method and apparatus utilizing both acceleration and pressure characteristicsIBM·Filed 1977·Granted Dec 5, 1978·139 cites·24 claims
- 0285US4128891AMagnetic bubble domain relational data base systemIBM·Filed 1976·Granted Dec 5, 1978·30 cites·14 claims
- 0374US4142175APressure sensing device and transducer arrangementIBM·Filed 1978·Granted Feb 27, 1979·23 cites·9 claims
- 0443US4350045AApparatus and method for characterizing an acoustic fieldIBM·Filed 1980·Granted Sep 21, 1982·9 cites·2 claims
- 0536US3990060ACryptographic magnetic bubble domain memoryIBM·Filed 1974·Granted Nov 2, 1976·3 cites·14 claims
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