Inventor
ISHIKAWA CHIKARA
JP4 patents
Patents
4 patentsUS7687224B2Mar 30, 2010
Photosensitive film
HITACHI CHEMICAL CO LTD6 citations71
US7645561B1Jan 12, 2010
Photosensitive film
HITACHI CHEMICAL CO LTD7 citations71
US7645562B2Jan 12, 2010
Photosensitive film
HITACHI CHEMICAL CO LTD4 citations60
US7022462B1Apr 4, 2006
Photosensitive resin composition, photosensitive element using the same, process for producing resist pattern, and process for producing printed wiring board
HITACHI CHEMICAL CO LTD2 citations59