Assignee
NIPPON HYOMEN KAGAKU KK
JP·3 granted patents·1 pending application·0 citations·filing 2014–2021
Top patents by PatentIndex Score
4 records- 0153US9644279B2Zinc-nickel alloy plating solution and plating methodNIPPON HYOMEN KAGAKU KK·Filed 2014·Granted May 9, 2017·0 cites·14 claims
- 0250US10968520B2Treatment liquid for black trivalent chromium conversion coating, trivalent chromium-containing water-soluble liquid for finishing treatment, and treatment method of metal substrateNIPPON HYOMEN KAGAKU KK·Filed 2015·Granted Apr 6, 2021·0 cites·7 claims
- 0344US10260151B2Treatment liquid for trivalent chromium conversion coating and treatment method of metal substrateNIPPON HYOMEN KAGAKU KK·Filed 2015·Granted Apr 16, 2019·0 cites·3 claims
- 0440US2022018027A1Metal coloring solution for chemical conversion treatment and method for coloring metalNIPPON HYOMEN KAGAKU KK·Filed 2021·Application pending·0 cites
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