Inventor · disambiguated record
Sunao Iwaki
Also filed as: IWAKI SUNAO
6 granted patents·77 citations·filing 1993–2010
77Inventor score
Top patents by PatentIndex Score
6 records- 0172US7891814B2Mental fatigue detecting method and deviceNAT INST OF ADVANCED IND SCIEN·Filed 2009·Granted Feb 22, 2011·15 cites·8 claims
- 0269US5522041AData processor and data transfer methodHITACHI LTD·Filed 1993·Granted May 28, 1996·60 cites·7 claims
- 0360US8485826B2Portable terminal device having function of measuring mental fatigue and its measuring methodHARADA NOBUYOSHI·Filed 2009·Granted Jul 16, 2013·2 cites·20 claims
- 0444US9125609B2Portable terminal having function of measuring mental fatigue, method for measuring same and server computerHARADA NOBUYOSHI·Filed 2009·Granted Sep 8, 2015·0 cites·13 claims
- 0544US8808196B2Measuring device and measuring method for threshold of flickerHARADA NOBUYOSHI·Filed 2009·Granted Aug 19, 2014·0 cites·24 claims
- 0624US8579441B2Measurement device and measurement method for flickering perception thresholdIWAKI SUNAO·Filed 2010·Granted Nov 12, 2013·0 cites·18 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →