Assignee
OKUYAMA KEIICHI
JP·2 granted patents·2 pending applications·3 citations·filing 2004–2012
Top patents by PatentIndex Score
4 records- 0180US8536385B2Process for preparing dimethyl ether and process for preparing a mixture of dimethyl ether and methanolOKUYAMA KEIICHI·Filed 2012·Granted Sep 17, 2013·3 cites·10 claims
- 0246US2006120953A1Method for preparing synthesis gas, method for preparing dimethyl ether using synthesis gas, and furnace for preparing synthesis gasOKUYAMA KEIICHI·Filed 2004·Application pending·0 cites
- 0342US9106331B2Transmission apparatus and processing method thereofOKUYAMA KEIICHI·Filed 2012·Granted Aug 11, 2015·0 cites·8 claims
- 0431US2010329675A1Interface circuitOKUYAMA KEIICHI·Filed 2010·Application pending·0 cites
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →