SS

Shoji Shiomi

EC Eagle Industry Co.: 1 patents #172 of 314Top 55%
MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Overall (All Time): #4,044,016 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4482158 Stern tube seal device Kenichiro Ishitani, Toshiharu Hamasaki, Eiichi Kawamura 1984-11-13