HO

Hiroshi Ooishi

KC Koyo Seiko Co.: 2 patents #228 of 749Top 35%
Overall (All Time): #2,323,735 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4955446 Hydraulic power steering apparatus 1990-09-11
4924910 Hydraulic pressure control valve Kazumasa Tabata, Manabu Takaoka 1990-05-15