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Shiro Shirasaki

YC Yoshizuka Seiki Co.: 2 patents #4 of 9Top 45%
Overall (All Time): #2,285,514 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5401153 Press for powder metallurgy Takeshi Katagiri, Masao Yamamoto 1995-03-28
5219319 Apparatus for replacing tool sets of powder molding press Takeshi Katagiri, Masao Yamamoto 1993-06-15