YI

Yasuhisa Ichihashi

HC Hitachi Chemical Company: 1 patents #1,071 of 1,946Top 60%
Overall (All Time): #3,341,548 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7622243 Photosensitive element, resist pattern formation method and printed wiring board production method Takashi Kumaki, Masahiro Miyasaka, Toshiki Ito, Makoto Kaji 2009-11-24