Inventor
TOHDA HIROYUKI
JP5 patents
⚠️ This page may combine multiple inventors who share the name “TOHDA HIROYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHOTOPOLY OHKA CO LTD
2 patentsUS4557996ADec 10, 1985
Method for providing a pattern-wise photoresist layer on a substrate plate and a surface-protected substrate plate therefor
PHOTOPOLY OHKA CO LTD25 citations80
US4741987AMay 3, 1988
Photopolymerizable composition including benzotriazole carboxylic acid
PHOTOPOLY OHKA CO LTD10 citations69