Inventor · disambiguated record

Chien-Hui Chang

Also filed as: CHANG CHIEN-HUI

1 granted patent·0 citations·filing 2009–2009

5Inventor score

Technology areasH03M

Files withLiu wen-tong1

Top patents by PatentIndex Score

1 record

0119US8749407B2Method and system for detecting hidden ghost keys on keyboard matrixLiu wen-tong·Filed 2009·Granted Jun 10, 2014·0 cites·10 claims

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