Assignee
HITACHI CHEMICAL COMPANY INC
JP·2 granted patents·49 citations·filing 1991–1992
Top patents by PatentIndex Score
2 records- 0176US5234522AMethod of producing flexible printed-circuit board covered with coverlayHITACHI CHEMICAL COMPANY INC·Filed 1991·Granted Aug 10, 1993·38 cites·22 claims
- 0257US5262277APhotosensitive resin composition and photosensitive element using the sameHITACHI CHEMICAL COMPANY INC·Filed 1992·Granted Nov 16, 1993·11 cites·16 claims
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