Assignee
UEDA IWAO
JP·5 granted patents·145 citations·filing 1986–1993
Top patents by PatentIndex Score
5 records- 0188US4680111ASewage treatment equipment with activated sludge process bedsUEDA IWAO·Filed 1986·Granted Jul 14, 1987·71 cites·3 claims
- 0264US5240597AWaste water treatment equipmentUEDA IWAO·Filed 1992·Granted Aug 31, 1993·29 cites·1 claims
- 0352US4927530AApparatus for processing sludgeUEDA IWAO·Filed 1988·Granted May 22, 1990·18 cites·9 claims
- 0452US4678567AActivated sludge process bedUEDA IWAO·Filed 1986·Granted Jul 7, 1987·18 cites·2 claims
- 0537US5277798ASewage treatment equipment with activated sludge process bedUEDA IWAO·Filed 1993·Granted Jan 11, 1994·9 cites·1 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →