Assignee
NIHON GENRYO CO LTD
JP·8 granted patents·2 pending applications·42 citations·filing 1999–2019
Top patents by PatentIndex Score
10 records- 0169US9409103B2External device for cleaning filtration material and adapted for application to filtration deviceNIHON GENRYO CO LTD·Filed 2014·Granted Aug 9, 2016·1 cites·4 claims
- 0259US6780312B2Filtration apparatusNIHON GENRYO CO LTD·Filed 2001·Granted Aug 24, 2004·8 cites·13 claims
- 0357US7160452B2Filter deviceNIHON GENRYO CO LTD·Filed 2003·Granted Jan 9, 2007·6 cites·5 claims
- 0456US2009166277A1Method of cleansing filtration media and system thereofNIHON GENRYO CO LTD·Filed 2009·Application pending·0 cites
- 0555US11173429B2Filtration deviceNIHON GENRYO CO LTD·Filed 2019·Granted Nov 16, 2021·0 cites·3 claims
- 0654US6273106B1Particulate matter washing apparatus and methodNIHON GENRYO CO LTD·Filed 1999·Granted Aug 14, 2001·20 cites·14 claims
- 0752US2007113870A1Method of cleansing filtration media and system thereforNIHON GENRYO CO LTD·Filed 2006·Application pending·0 cites
- 0850US7267767B2Filtration apparatusNIHON GENRYO CO LTD·Filed 2002·Granted Sep 11, 2007·2 cites·17 claims
- 0949US6382221B2Particulate matter washing methodNIHON GENRYO CO LTD·Filed 2001·Granted May 7, 2002·5 cites·15 claims
- 1044US7520986B2Filtration deviceNIHON GENRYO CO LTD·Filed 2004·Granted Apr 21, 2009·0 cites·18 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →