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Inventor
OKAMURA TOSHIROU
JP
2 patents
⚠️ This page may combine multiple inventors who share the name “OKAMURA TOSHIROU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI CHEMICAL CO LTD
1 patent
US5309632A
May 10, 1994
Process for producing printed wiring board
HITACHI CHEMICAL CO LTD
66 citations
95
NAOYUKI SUSUMU
1 patent
US8673428B2
Mar 18, 2014
Engraved plate and substrate with conductor layer pattern using the same
NAOYUKI SUSUMU
10 citations
75