Inventor · disambiguated record
Tsutomu Shikada
Also filed as: SHIKADA TSUTOMU
17 granted patents·4 pending applications·446 citations·filing 1983–2012
95Inventor score
Top patents by PatentIndex Score
21 records- 0195US7033972B2Catalyst for producing dimethyl ether, method for producing catalyst and method for producing dimethyl etherJFE HOLDINGS INC·Filed 2004·Granted Apr 25, 2006·91 cites·43 claims
- 0294US6361757B1Catalyst for manufacturing hydrogen or synthesis gas and manufacturing method of hydrogen or synthesis gasNIPPON KOKAN KK·Filed 1998·Granted Mar 26, 2002·118 cites·10 claims
- 0388US5055282AMethod of decomposing ammonia using a ruthenium catalystNIPPON KOKAN KK·Filed 1990·Granted Oct 8, 1991·67 cites·6 claims
- 0484US6147125AMethod and apparatus for producing dimethyl etherNIPPON KOKAN KK·Filed 1997·Granted Nov 14, 2000·24 cites·18 claims
- 0583US6562306B1Apparatus for producing dimethyl etherNIPPON KOKAN KK·Filed 2000·Granted May 13, 2003·12 cites·8 claims
- 0682US6800665B1Method for producing dimethyl etherJFE HOLDINGS INC·Filed 2003·Granted Oct 5, 2004·19 cites·20 claims
- 0780US8536385B2Process 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
- 0880US5389689AMethod of producing dimethyl etherKAORU FUJIMOTO·Filed 1993·Granted Feb 14, 1995·23 cites·5 claims
- 0973US5466720AMethod of producing dimethyl etherFUJIMOTO KAORU·Filed 1994·Granted Nov 14, 1995·15 cites·3 claims
- 1070US6048380AMethod for disposing synthetic resinous materialNIPPON KOKAN KK·Filed 1997·Granted Apr 11, 2000·21 cites·20 claims
- 1168US7015255B1Medium oil for slurry-bed reaction process and process of producing dimethyl etherJFE HOLDINGS INC·Filed 2000·Granted Mar 21, 2006·5 cites·3 claims
- 1266US5139756ACatalytic oxidation of ammoniaNIPPON KOKAN KK·Filed 1992·Granted Aug 18, 1992·17 cites·4 claims
- 1354US6053962AScrap melting processNIPPON KOKAN KK·Filed 1996·Granted Apr 25, 2000·12 cites·49 claims
- 1452US2006052647A1Method for producing dimethyl etherJFE HOLDINGS INC·Filed 2005·Application pending·0 cites
- 1550US2010317747A1Medium 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
- 1649US5268512ACatalyst and process for producing phenolNIPPON KOKAN KK·Filed 1992·Granted Dec 7, 1993·12 cites·40 claims
- 1746US2006120953A1Method 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
- 1843US2002132155A1Manufacturing method of hydrogen and synthesis gasNIPPON KOKAN KK·Filed 2001·Application pending·0 cites
- 1932US5945569ACatalyst and method for producing phenolsNIPPON KOKAN KK·Filed 1996·Granted Aug 31, 1999·3 cites·17 claims
- 2032US4478801AMethod for purifying exhaust gases with hydrogensulfatesISHIKAWAJIMA HARIMA HEAVY IND·Filed 1983·Granted Oct 23, 1984·4 cites·10 claims
- 2122US6221311B1Apparatus for disposing synthetic resinous materialsNKC CORP·Filed 1999·Granted Apr 24, 2001·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →