KK

Kengo Kumano

HI Hitachi: 3 patents #231 of 2,733Top 9%
Overall (2011): #43,710 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8078387 Control apparatus for spark-ignition engine Shiro Yamaoka, Hiromu Kakuya, Yoshihiro Sukegawa 2011-12-13
8050846 Apparatus and method for controlling engine Hiromu Kakuya, Shiro Yamaoka 2011-11-01
7957887 Engine controller Hiromu Kakuya, Shiro Yamaoka 2011-06-07