Inventor · disambiguated record
John H. Christian
Also filed as: CHRISTIAN JOHN H · CHRISTIAN JOHN HUNT
5 granted patents·357 citations·filing 1976–1981
86Inventor score
Files withIBM5
Top patents by PatentIndex Score
5 records- 0194US4430701AMethod and apparatus for a hierarchical paging storage systemIBM·Filed 1981·Granted Feb 7, 1984·158 cites·11 claims
- 0293US4297737ASector servo with sync marksIBM·Filed 1979·Granted Oct 27, 1981·59 cites·5 claims
- 0380US4533995AMethod and system for handling sequential data in a hierarchical storeIBM·Filed 1981·Granted Aug 6, 1985·64 cites·14 claims
- 0476US4120629AProduction control apparatusIBM·Filed 1976·Granted Oct 17, 1978·32 cites·3 claims
- 0571US4403288AMethods and apparatus for resetting peripheral devices addressable as a plurality of logical devicesIBM·Filed 1981·Granted Sep 6, 1983·44 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →