YM

Yasuo Murayoshi

Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #3,594,521 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6291790 Wire electrode for electro-discharge machining Yoshihiro Nakai, Hitoshi Kishida, Naoyuki Ookubo, Kazuhiro Nanjo, Masatada Numano +1 more 2001-09-18