Inventor · disambiguated record

Norio Tsujikawa

Also filed as: TSUJIKAWA NORIO

1 granted patent·33 citations·filing 1990–1990

44Inventor score

Technology areasH03M

Files withOKI ELECTRIC IND CO LTD1

Top patents by PatentIndex Score

1 record

0166US5220323AKeyboard apparatus having ghost key sensing functionOKI ELECTRIC IND CO LTD·Filed 1990·Granted Jun 15, 1993·33 cites·1 claims

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