TO

Toshiaki Okuyama

HI Hitachi: 1 patents #961 of 2,733Top 40%
Overall (2011): #141,514 of 364,097Top 40%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7869232 Electric power converter suppressing output voltage variation due to input voltage fluctuation Koichiro Nagata, Shigetoshi Okamatsu, Koichi Miyazaki 2011-01-11