YI

Yasushi Isayama

EB Ebara: 2 patents #752 of 1,611Top 50%
Overall (All Time): #2,154,069 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7172683 Method of managing a plating liquid used in a plating apparatus Hiroyuki Ueyama, Hiroyuki Kaneko, Junitsu Yamakawa, Akihisa Hongo, Ryoichi Kimizuka +1 more 2007-02-06
6627066 Method of measuring the concentration of a leveler in a plating liquid Hiroyuki Ueyama, Hiroyuki Kaneko, Junitsu Yamakawa, Akihisa Hongo, Ryoichi Kimizuka +1 more 2003-09-30