RI

Ryuji Ikeda

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,555,881 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6442792 Vacuum cleaner Takayuki Sudou, Susumu Sato, Shigenori Sato, Taiji Tajima, Shoji Hayashi +3 more 2002-09-03