Inventor · disambiguated record
Christopher N. Wallis
Also filed as: WALLIS CHRISTOPHER · WALLIS CHRISTOPHER N
8 granted patents·228 citations·filing 1977–2018
88Inventor score
Top patents by PatentIndex Score
8 records- 0195US4594622ATrack following servo system for a disk fileIBM·Filed 1984·Granted Jun 10, 1986·80 cites·7 claims
- 0294US10570263B2Degradable sheet materialPOLYMATERIA LTD·Filed 2018·Granted Feb 25, 2020·20 cites·17 claims
- 0390US4412165ASampled servo position control systemIBM·Filed 1981·Granted Oct 25, 1983·47 cites·3 claims
- 0482US4145725AElectromagnetic actuatorIBM·Filed 1977·Granted Mar 20, 1979·27 cites·13 claims
- 0580US5268804AActuator arm controller for a storage deviceIBM·Filed 1992·Granted Dec 7, 1993·32 cites·18 claims
- 0651US11155702B2Degradable polymer and method of productionPOLYMATERIA LTD·Filed 2017·Granted Oct 26, 2021·0 cites·20 claims
- 0737US5155486AAsynchronous serial data receiver with capability for sampling the mid-point of data bitsIBM·Filed 1990·Granted Oct 13, 1992·11 cites·5 claims
- 0835US5003308ASerial data receiver with phase shift detectionIBM·Filed 1990·Granted Mar 26, 1991·11 cites·11 claims
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