AT

Akihisa Takaoka

NC Nippon Oil Seal Industry Co.: 1 patents #4 of 17Top 25%
Overall (All Time): #4,040,027 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4468041 Backup ring for hydraulic apparatus seals Mistuo Yoshimura 1984-08-28