Inventor

IWATSUKA TAKESHI

JP5 patents

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

ORGANO KK

3 patents

US4886601ADec 12, 1989

Column filter using bundles of long fibers

ORGANO KK105 citations94

US4915833AApr 10, 1990

Column filter using bundles of long fibers

ORGANO KK34 citations91

US5262051ANov 16, 1993

Apparatus for biological treatment of water and waste, of the attached-growth type

ORGANO KK42 citations90

ORGANO CORP

1 patent

US5580445ADec 3, 1996

Continuous ion exchange apparatus

ORGANO CORP19 citations82

ROHM & HAAS

1 patent

US4293423AOct 6, 1981

Process and apparatus for ion exchange by use of thermally regenerable resin

ROHM & HAAS27 citations76