Inventor · disambiguated record
Hirofumi Morikawa
Also filed as: MORIKAWA HIROFUMI
5 granted patents·3 pending applications·38 citations·filing 2002–2014
74Inventor score
Technology areasB01D
Top patents by PatentIndex Score
8 records- 0181US7258914B2Porous membrane and method for manufacturing the sameTORAY INDUSTRIES·Filed 2003·Granted Aug 21, 2007·32 cites·12 claims
- 0267US7851024B2Porous membrane and method for manufacturing the sameTORAY INDUSTRIES·Filed 2006·Granted Dec 14, 2010·3 cites·1 claims
- 0359US8307991B2Hollow fiber membrane moduleMORIKAWA HIROFUMI·Filed 2007·Granted Nov 13, 2012·3 cites·12 claims
- 0447US9649602B2Method of sewage treatment and sewage treatment apparatusMORIKAWA HIROFUMI·Filed 2007·Granted May 16, 2017·0 cites·6 claims
- 0544US10159940B2Method for cleaning hollow fiber membrane moduleTORAY INDUSTRIES·Filed 2014·Granted Dec 25, 2018·0 cites·3 claims
- 0642US2014131281A1Membrane filtration method and membrane filtration deviceTORAY INDUSTRIES·Filed 2012·Application pending·0 cites
- 0739US2003150808A1Separating film, separating film element, separating film module, sewage and waste water treatment device, and separating film manufacturing methodFiled 2002·Application pending·0 cites
- 0838US2013213887A1Hollow fiber membrane filtration device and method for washing hollow fiber membrane moduleMORIKAWA HIROFUMI·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →