Assignee
ETANI KENJI
10 granted patents·436 citations·filing 1974–1988
Top patents by PatentIndex Score
10 records- 0193US4880547AMethods for water treatmentETANI KENJI·Filed 1988·Granted Nov 14, 1989·94 cites·9 claims
- 0292US4519914AMethod for treating swimming pool waterETANI KENJI·Filed 1980·Granted May 28, 1985·83 cites·3 claims
- 0385US4692314AWater treatment systemsETANI KENJI·Filed 1983·Granted Sep 8, 1987·54 cites·26 claims
- 0483US3954621AFiltration system having prefilter and main filterETANI KENJI·Filed 1974·Granted May 4, 1976·52 cites·1 claims
- 0581US4530120AMethods and apparatus for bathingETANI KENJI·Filed 1980·Granted Jul 23, 1985·46 cites·12 claims
- 0680US3947362AFilter with an open-celled elastomer foamETANI KENJI·Filed 1974·Granted Mar 30, 1976·36 cites·4 claims
- 0763US4512955AApparatus for water treatmentETANI KENJI·Filed 1982·Granted Apr 23, 1985·24 cites·10 claims
- 0863US4039448AFilter with an open-cell elastomeric foamETANI KENJI·Filed 1976·Granted Aug 2, 1977·19 cites·2 claims
- 0948US4853131AMethod for water treatmentETANI KENJI·Filed 1988·Granted Aug 1, 1989·15 cites·15 claims
- 1044US4775485AMethod for water treatmentETANI KENJI·Filed 1987·Granted Oct 4, 1988·13 cites·16 claims
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