HY

Hideyoshi Yoshizawa

HS Hitachi Seiko: 1 patents #36 of 106Top 35%
Overall (All Time): #3,889,760 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5064985 Method for controlling withdrawal of electrode in electric-discharge machine Takashi Ishii, Toshiyuki Makino, Hidekatsu Ozawa, Yasuyuki Shimizu 1991-11-12