Inventor · disambiguated record
Carlos F. Franca Da Fonseca
Also filed as: FRANCA DA FONSECA CARLOS F
5 granted patents·2 citations·filing 2014–2016
68Inventor score
Files withIBM5
Top patents by PatentIndex Score
5 records- 0180US9699176B2CAPTCHA challenge incorporating obfuscated charactersIBM·Filed 2016·Granted Jul 4, 2017·2 cites·1 claims
- 0256US10033728B2CAPTCHA challenge incorporating obfuscated charactersIBM·Filed 2016·Granted Jul 24, 2018·0 cites·17 claims
- 0356US9338162B2CAPTCHA challenge incorporating obfuscated charactersIBM·Filed 2014·Granted May 10, 2016·0 cites·20 claims
- 0455US9372974B2CAPTCHA challenge incorporating obfuscated charactersIBM·Filed 2015·Granted Jun 21, 2016·0 cites·1 claims
- 0554US9525686B2Captcha challenge incorporating obfuscated charactersIBM·Filed 2016·Granted Dec 20, 2016·0 cites·1 claims
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