Inventor · disambiguated record
Keiichi Okuyama
Also filed as: OKUYAMA KEIICHI
10 granted patents·3 pending applications·69 citations·filing 1995–2014
87Inventor score
Top patents by PatentIndex Score
13 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
- 0279US7981500B2Carbon fiber reinforced prepreg of gas barrier properties, carbon fiber reinforced plastic and methods of producing the sameKYUSHU INST TECHNOLOGY·Filed 2008·Granted Jul 19, 2011·5 cites·14 claims
- 0377US6663051B2Thermal protection structureKAWASAKI HEAVY IND LTD·Filed 2002·Granted Dec 16, 2003·21 cites·9 claims
- 0468US7015255B1Medium oil for slurry-bed reaction process and process of producing dimethyl etherJFE HOLDINGS INC·Filed 2000·Granted Mar 21, 2006·5 cites·3 claims
- 0550US2010317747A1Medium oil used for a synthesis reaction, process for preparing dimethyl ether and process for preparing a mixture of dimethyl ether and methanolINPEX CORP·Filed 2010·Application pending·0 cites
- 0649US10228129B2Waste gasification melting apparatus and waste gasification melting method using the sameJFE ENG CORP·Filed 2014·Granted Mar 12, 2019·0 cites·18 claims
- 0748US5825821AHitless switch device and method of switching between different pathsNEC CORP·Filed 1996·Granted Oct 20, 1998·15 cites·12 claims
- 0847US7856075B2Clock supply circuit and clock supply methodNEC CORP·Filed 2007·Granted Dec 21, 2010·2 cites·9 claims
- 0946US2006120953A1Method 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
- 1042US9106331B2Transmission apparatus and processing method thereofOKUYAMA KEIICHI·Filed 2012·Granted Aug 11, 2015·0 cites·8 claims
- 1134US5677931ATransmission path switching apparatusNEC CORP·Filed 1995·Granted Oct 14, 1997·16 cites·2 claims
- 1231US2010329675A1Interface circuitOKUYAMA KEIICHI·Filed 2010·Application pending·0 cites
- 1328US5651027ANon-instantaneous disconnection switching systemNEC CORP·Filed 1995·Granted Jul 22, 1997·2 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →