YS

Yasuyoshi Sakamoto

SC Seikoh Giken Co.: 1 patents #4 of 9Top 45%
SI Sumitomo Heavy Industries: 1 patents #2 of 55Top 4%
📍 Narita, JP: #1 of 12 inventorsTop 9%
Overall (1997): #57,293 of 185,788Top 35%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5693348 Disc molding die Takehiko Kitamura, Akira Hatano 1997-12-02