Inventor · disambiguated record

J. Douglas Child

Also filed as: CHILD J DOUGLAS

2 granted patents·1 pending application·20 citations·filing 2001–2001

59Inventor score

Technology areasG06F

Files withTEXAS INSTRUMENTS INC2

Top patents by PatentIndex Score

3 records

0162US6956560B2Selection of mathematical objects from the history screen on a handheld deviceTEXAS INSTRUMENTS INC·Filed 2001·Granted Oct 18, 2005·13 cites·12 claims
0251US6922710B2Hand-held calculator with problems and operations linked listsTEXAS INSTRUMENTS INC·Filed 2001·Granted Jul 26, 2005·7 cites·23 claims
0333US2003041078A1Interactive object transformation based expert system for symbolic mathematics on a handheld deviceFiled 2001·Application pending·0 cites

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →