Inventor

OTO KATSUFUMI

JP5 patents

⚠️ This page may combine multiple inventors who share the name “OTO KATSUFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TORAY INDUSTRIES

3 patents

US4634531AJan 6, 1987

Membrane treatment method for semipermeable membranes

TORAY INDUSTRIES40 citations92

US7279097B2Oct 9, 2007

Composite semipermeable membrane, and production process thereof

TORAY INDUSTRIES48 citations91

US7090780B2Aug 15, 2006

Bactericide for use in water treatment, method for water treatment and apparatus for water treatment

TORAY INDUSTRIES8 citations72

KIMURA MASAHIRO

1 patent

US9387445B2Jul 12, 2016

Separation membrane element

KIMURA MASAHIRO19 citations81

SASAKI TAKAO

1 patent

US8631946B2Jan 21, 2014

Composite semipermeable membrane and method for producing same

SASAKI TAKAO5 citations68