TO

Toshiaki Okuyama

HI Hitachi: 47 patents #333 of 28,497Top 2%
HC Hitachi Automotive Engineering Co.: 3 patents #60 of 314Top 20%
HC Hitachi Industrial Equipment Systems Co.: 2 patents #215 of 550Top 40%
SC Sanyo Electric Co.: 1 patents #3,644 of 6,347Top 60%
Overall (All Time): #53,029 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #TitleCo-InventorsDate
4206395 Harmonic eliminating apparatus Hiroshi Nagase, Yuzuru Kubota, Takamasa Hori 1980-06-03