TO

Toshiharu Oyabu

IC I.B.E. Co.: 2 patents #1 of 5Top 20%
SC Shachihata Industry Co.: 1 patents #5 of 7Top 75%
Overall (All Time): #1,613,433 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6666967 Defoaming and air-water treating device — 2003-12-23
6350378 Water quality improver — 2002-02-26
D277393 Ball point pen — 1985-01-29