Inventor
PU SEJIN
JP4 patents
Patents
4 patentsUS5059630AOct 22, 1991
Methods for manufacture of porous resin moldings, ultrafine fibers and ultrafine fiber nonwoven fabrics
DAI ICHI KOGYO SEIYAKU CO LTD28 citations90
US6566485B1May 20, 2003
Water-soluble fiber and a method for manufacture thereof
DAI ICHI KOGYO SEIYAKU CO LTD1 citations60
US6093783AJul 25, 2000
Water-soluble fiber and a method for manufacture thereof
DAI ICHI KOGYO SEIYAKU CO LTD2 citations60
US7001976B2Feb 21, 2006
Water-soluble fiber and a method for manufacture therefor
DAI ICHI KOGYO SEIYAKU CO LTD0 citations50