Inventor
IZUMI KIYOSHI
JP21 patents
⚠️ This page may combine multiple inventors who share the name “IZUMI KIYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KUBOTA KK
11 patentsUS5482625AJan 9, 1996
Filtration membrane module
KUBOTA KK221 citations98
US5192456AMar 9, 1993
Apparatus for treating activated sludge and method of cleaning it
KUBOTA KK250 citations98
US5451317ASep 19, 1995
Solid-liquid separator
KUBOTA KK133 citations97
US5651888AJul 29, 1997
Filtration membrane cartridge
KUBOTA KK70 citations95
US6287467B1Sep 11, 2001
Submerged membrane cartridge
KUBOTA KK32 citations92
US5772831AJun 30, 1998
Filter membrane element and method of manufacturing same
KUBOTA KK29 citations91
US6843908B2Jan 18, 2005
Multistage immersion type membrane separator and high-concentration wastewater treatment facility using same
KUBOTA KK26 citations90
US6277209B1Aug 21, 2001
Method and apparatus of regenerating filtration membrane cartridge for activated sludge
KUBOTA KK32 citations89
US5437787AAug 1, 1995
Adsorption/reaction equipment
KUBOTA KK6 citations62
US6843470B2Jan 18, 2005
Air diffuser and flushing method thereof
KUBOTA KK6 citations61
US7931802B2Apr 26, 2011
Water treatment system
KUBOTA KK1 citations43