Inventor · disambiguated record
Katsufumi Oto
Also filed as: OTO KATSUFUMI
5 granted patents·6 pending applications·120 citations·filing 1985–2013
82Inventor score
Top patents by PatentIndex Score
11 records- 0191US9387445B2Separation membrane elementKIMURA MASAHIRO·Filed 2011·Granted Jul 12, 2016·19 cites·11 claims
- 0287US7279097B2Composite semipermeable membrane, and production process thereofTORAY INDUSTRIES·Filed 2004·Granted Oct 9, 2007·48 cites·14 claims
- 0385US8631946B2Composite semipermeable membrane and method for producing sameSASAKI TAKAO·Filed 2010·Granted Jan 21, 2014·5 cites·16 claims
- 0478US4634531AMembrane treatment method for semipermeable membranesTORAY INDUSTRIES·Filed 1985·Granted Jan 6, 1987·40 cites·21 claims
- 0577US7090780B2Bactericide for use in water treatment, method for water treatment and apparatus for water treatmentTORAY INDUSTRIES·Filed 2002·Granted Aug 15, 2006·8 cites·12 claims
- 0647US2015321148A1Separation membrane and separation membrane elementTORAY INDUSTRIES·Filed 2013·Application pending·0 cites
- 0746US2015041388A1Separation membrane and separation membrane elementTORAY INDUSTRIES·Filed 2013·Application pending·0 cites
- 0845US2014251896A1Separation membrane, separation membrane element and method for producing separation membraneTORAY INDUSTRIES·Filed 2012·Application pending·0 cites
- 0945US2014231332A1Separation membrane and separation membrane elementTORAY INDUSTRIES·Filed 2012·Application pending·0 cites
- 1043US2006016754A1Water-treating microbicide, water treatment method and water treatment apparatusTORAY INDUSTRIES·Filed 2005·Application pending·0 cites
- 1140US2013213880A1Separation membrane, separation membrane element and separation membrane production methodHIROZAWA HIROHO·Filed 2011·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →