Inventor · disambiguated record
Wallace A. Ritchie
Also filed as: RITCHIE WALLACE · RITCHIE WALLACE A
2 granted patents·1 pending application·201 citations·filing 1984–2001
69Inventor score
Technology areasG06F
Top patents by PatentIndex Score
3 records- 0187US7257528B1Method and apparatus for Chinese character text inputZI CORP CANADA INC·Filed 1998·Granted Aug 14, 2007·176 cites·19 claims
- 0251US4829421AData transfer regulating system for recording data at a varying recordingS C YUTER J S D·Filed 1984·Granted May 9, 1989·25 cites·19 claims
- 0335US2003023426A1Japanese language entry mechanism for small keypadsZI TECHNOLOGY CORP LTD·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →