0000950005-01-000103 SC 13G 1 20010212 AEROGEN INC 0001039160 3845 330488580 DE 1231 SC 13G 34 005-60561 1534885 1310 CORONADO DR SANTA CLARA CA 95054 4085432400 1310 ORLEANS DRIVE SUNNYVALE CA 94089 INTERWEST PARTNERS VI L P 0001019182 943247382 NV 1231 SC 13G 3000 SAND HILL ROAD BUILDING 3 SUITE 255 MENLO PARK CA 94025 6508548585 SC 13G 1 0001.txt FORM SC 13G