YO

Yoshitumi Ogawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,578,815 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6217705 Method of holding substrate and substrate holding system Naoyuki Tamura, Kazue Takahashi, Youichi Ito, Hiroyuki Shichida, Tsunehiko Tsubone 2001-04-17