Inventor · disambiguated record
Kiyoko Yokoyama
Also filed as: YOKOYAMA KIYOKO
4 granted patents·11 citations·filing 2010–2014
67Inventor score
Top patents by PatentIndex Score
4 records- 0164US9815384B2Wakefulness-maintenance apparatusTS TECH CO LTD·Filed 2013·Granted Nov 14, 2017·4 cites·7 claims
- 0264US9693726B2Alertness device, seat, and method for determining alertnessTS TECH CO LTD·Filed 2014·Granted Jul 4, 2017·3 cites·10 claims
- 0357US8979761B2Sleepiness assessment apparatusYOKOYAMA KIYOKO·Filed 2010·Granted Mar 17, 2015·4 cites·6 claims
- 0445US10098578B2Alertness device, seat, and method for determining alertnessTS TECH CO LTD·Filed 2014·Granted Oct 16, 2018·0 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →