SO

Shintarou Oku

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
Overall (All Time): #3,310,821 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7841434 Electric drive system for vehicle, electric control system for vehicle, electric drive method for vehicle Keizo Shimada, Yasuhiro Kiyofuji, Naoshi Sugawara, Kazuhiro Imaie, Takashi Yagyu 2010-11-30