YD

Yoichi Doi

Sumitomo Electric Industries: 2 patents #9,741 of 21,551Top 50%
Overall (All Time): #2,309,432 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5119301 Vehicle location detecting system Osamu Shimizu, Kenji Tenmoku, Kunihiko Mito 1992-06-02
5115238 Calibration apparatus of angular velocity sensor in self-contained navigational system Osamu Shimizu, Kenji Tenmoku, Kunihiko Mito 1992-05-19