CK

Chiharu Katsuyama

HI Hitachi: 2 patents #13,388 of 28,497Top 50%
Overall (All Time): #2,160,427 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7258771 Air/fuel ratio detection apparatus Shigeo Isitani, Yasuji Orimo, Futoshi Ichiyanagi 2007-08-21
7122103 Air/fuel ratio detection apparatus Shigeo Isitani, Futoshi Ichiyanagi, Yasuji Orimo 2006-10-17