SY

Sojiro Yokoyama

TO Toyota: 3 patents #8,352 of 26,838Top 35%
Overall (All Time): #1,567,930 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7828093 Vehicle controller, vehicle and vehicle control method Hideto Hanada 2010-11-09
7692940 Voltage conversion device Kiyoe Ochiai, Masaki Okamura 2010-04-06
7042190 Motor control apparatus and motor control method Hideaki Yaguchi 2006-05-09