Assignee
OHKI CO LTD
JP·10 granted patents·5 pending applications·18 citations·filing 2001–2022
Top patents by PatentIndex Score
15 records- 0184US9732453B2Nonwoven fabric sheet, and extraction filter and extraction bag using the sameOHKI CO LTD·Filed 2015·Granted Aug 15, 2017·4 cites·4 claims
- 0264US2010330236A1Fiber sheetOHKI CO LTD·Filed 2009·Application pending·0 cites
- 0361US2025115418A1Extraction bag, method for manufacturing extraction bag, sheet for extraction bag, and method for manufacturing sheet for extraction bagOHKI CO LTD·Filed 2022·Application pending·0 cites
- 0459US7235272B2Drip bagOHKI CO LTD·Filed 2001·Granted Jun 26, 2007·14 cites·7 claims
- 0557US10906731B2Drip bagOHKI CO LTD·Filed 2019·Granted Feb 2, 2021·0 cites·15 claims
- 0656US2016176172A1Fiber sheetOHKI CO LTD·Filed 2016·Application pending·0 cites
- 0753US12540026B2Drip bagOHKI CO LTD·Filed 2020·Granted Feb 3, 2026·0 cites·7 claims
- 0851US10246252B2Drip bagOHKI CO LTD·Filed 2013·Granted Apr 2, 2019·0 cites·15 claims
- 0950US10882688B2Sheet material for extraction, extraction filter, and extraction bagOHKI CO LTD·Filed 2017·Granted Jan 5, 2021·0 cites·6 claims
- 1048US2024270478A1Drip bagOHKI CO LTD·Filed 2021·Application pending·0 cites
- 1147US2024099497A1Extraction bagOHKI CO LTD·Filed 2021·Application pending·0 cites
- 1245US12161247B2Extraction bagOHKI CO LTD·Filed 2020·Granted Dec 10, 2024·0 cites·6 claims
- 1345US11643270B2Extraction bagOHKI CO LTD·Filed 2020·Granted May 9, 2023·0 cites·16 claims
- 1445US10730692B2Drip bagOHKI CO LTD·Filed 2013·Granted Aug 4, 2020·0 cites·20 claims
- 1543US10548427B2Sheet for extraction, extraction filter, and extraction bagOHKI CO LTD·Filed 2016·Granted Feb 4, 2020·0 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →