Inventor
OGASAWARA TAKAKO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “OGASAWARA TAKAKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI PLANT ENG & CONSTR CO
5 patentsUS5976378ANov 2, 1999
Method and system for removing nitrogen and immobilized microorganisms
HITACHI PLANT ENG & CONSTR CO23 citations91
US5849180ADec 15, 1998
Method of biologically removing nitrogen and system therefor
HITACHI PLANT ENG & CONSTR CO24 citations91
US6033569AMar 7, 2000
Method of biologically removing nitrogen and system therefor
HITACHI PLANT ENG & CONSTR CO15 citations81
US5997736ADec 7, 1999
Method of biologically removing nitrogen and system therefor
HITACHI PLANT ENG & CONSTR CO12 citations81
US5876603AMar 2, 1999
Method of biologically removing nitrogen and system therefor
HITACHI PLANT ENG & CONSTR CO9 citations72