Home Inquiry Japanese 　 　 2012.10.16 The products catalog of the YUASA Membrane Filters, YUASA Cartridge Filters, and YUASA Hollow Fiber Membrane Filters was renewed.   2011.12.29 Our website changed URL. "Corporate Information" was updated.   2010.06.25 "Corporate Information" was updated.   2008.10.01 "Products Information""Corporate Information" was updated.