YS

Ykinori Sato

Overall (All Time): #4,092,519 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
RE30659 Pen points for writing instruments Nobuyuki Otake, Kozo Ando, Hironobu Hori 1981-06-30