Inventor
YOSHINO TOSHIZUMI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “YOSHINO TOSHIZUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CHEMICAL CO LTD
6 patentsUS6692793B2Feb 17, 2004
Photo-cured film, and photosensitive element, printed wiring board and semiconductor package using such film
HITACHI CHEMICAL CO LTD16 citations91
US6583198B2Jun 24, 2003
Photo curable resin composition and photosensitive element
HITACHI CHEMICAL CO LTD15 citations91
US6238840B1May 29, 2001
Photosensitive resin composition
HITACHI CHEMICAL CO LTD38 citations91
US7071243B2Jul 4, 2006
Photo-cured film, and photosensitive element, printed wiring board and semiconductor package using such film
HITACHI CHEMICAL CO LTD3 citations61
US7049036B1May 23, 2006
Photosensitive resin composition, photosensitive element using the same, method for producing resist pattern, resist pattern and substrate having the resist pattern laminated thereon
HITACHI CHEMICAL CO LTD6 citations54
US10111328B2Oct 23, 2018
Photosensitive resin composition, dry film using same, printed wiring board, and method for producing printed wiring board
HITACHI CHEMICAL CO LTD0 citations35