TN

Toshiroo Narita

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,973,255 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4661757 Controller for AC elevator Sadao Hokari, Takamasa Hori, Katsu Komuro, Takanobu Hatakeyama, Yasunori Katayama +1 more 1987-04-28