Assignee
PHOTOPOLY OHKA CO LTD
JP·3 granted patents·46 citations·filing 1984–1987
Top patents by PatentIndex Score
3 records- 0169US4557996AMethod for providing a pattern-wise photoresist layer on a substrate plate and a surface-protected substrate plate thereforPHOTOPOLY OHKA CO LTD·Filed 1984·Granted Dec 10, 1985·25 cites·10 claims
- 0250US4767642AMethod for prevention of resin plate surface stickingPHOTOPOLY OHKA CO LTD·Filed 1987·Granted Aug 30, 1988·11 cites·19 claims
- 0340US4741987APhotopolymerizable composition including benzotriazole carboxylic acidPHOTOPOLY OHKA CO LTD·Filed 1987·Granted May 3, 1988·10 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →