YT

Yoshiichi Tsutsui

OH Ohara: 1 patents #57 of 89Top 65%
Overall (All Time): #3,958,480 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4768757 Apparatus for nitriding surface of shaped article of titanium Seizo Nakamura 1988-09-06