Inventor · disambiguated record
Takashi Ushikubo
Also filed as: USHIKUBO TAKASHI
19 granted patents·1 pending application·738 citations·filing 1984–2009
96Inventor score
Top patents by PatentIndex Score
20 records- 0194US5380933AMethod for producing an unsaturated carboxylic acidMITSUBISHI CHEM IND·Filed 1994·Granted Jan 10, 1995·250 cites·13 claims
- 0293US5281745AProcess for producing nitrilesMITSUBISHI CHEM IND·Filed 1992·Granted Jan 25, 1994·155 cites·12 claims
- 0391US5231214AProcess for producing nitrilesMITSUBISHI CHEM IND·Filed 1992·Granted Jul 27, 1993·46 cites·11 claims
- 0487US5422328AProcess for preparing a catalyst useful for producing a nitrileMITSUBISHI CHEM IND·Filed 1993·Granted Jun 6, 1995·34 cites·30 claims
- 0583US5472925ACatalyst for the production of nitrilesMITSUBISHI CHEM CORP·Filed 1994·Granted Dec 5, 1995·54 cites·19 claims
- 0678US7901088B2Projection display apparatus and image forming apparatus with efficient power consumptionOKI DATA KK·Filed 2007·Granted Mar 8, 2011·5 cites·16 claims
- 0778US6294685B1Method for gas phase catalytic oxidation of hydrocarbonMITSUBISHI CHEM CORP·Filed 1998·Granted Sep 25, 2001·20 cites·18 claims
- 0877US5750760AMethod for producing a nitrileMITSUBISHI CHEM CORP·Filed 1996·Granted May 12, 1998·35 cites·9 claims
- 0977US4560807AProcess for the production of dimethyl ether useful as a propellantMITSUBISHI CHEM IND·Filed 1984·Granted Dec 24, 1985·34 cites·9 claims
- 1073US7680415B2Optical code division multiplexing transmission and reception method and optical code division multiplexing transceiverOKI ELECTRIC IND CO LTD·Filed 2009·Granted Mar 16, 2010·4 cites·15 claims
- 1165US6321019B1Method of arranging optical fibers and optical fibers arranging moduleOKI ELECTRIC IND CO LTD·Filed 1999·Granted Nov 20, 2001·28 cites·11 claims
- 1254US4966966AProcess for preparing sucrose fatty acid estersMITSUBISHI CHEM IND·Filed 1988·Granted Oct 30, 1990·8 cites·4 claims
- 1353US5534650AMethod for producing a nitrileMITSUBISHI CHEM CORP·Filed 1995·Granted Jul 9, 1996·19 cites·9 claims
- 1446US6340251B1Multi-channel optical coupling moduleOKI ELECTRIC IND CO LTD·Filed 1999·Granted Jan 22, 2002·12 cites·23 claims
- 1545US2006115272A1Optical code division multiplexing transmission and reception method and optical code division multiplexing transceiverOKI ELECTRIC IND CO LTD·Filed 2005·Application pending·0 cites
- 1642US5227482AMethod for producing a lactamMITSUBISHI CHEM IND·Filed 1992·Granted Jul 13, 1993·5 cites·9 claims
- 1742US4884858ADistributed coupler switchOKI ELECTRIC IND CO LTD·Filed 1988·Granted Dec 5, 1989·10 cites·13 claims
- 1840US5189714AOptical wavelength filter deviceOKI ELECTRIC IND CO LTD·Filed 1991·Granted Feb 23, 1993·8 cites·9 claims
- 1939US5149881AMethod for producing methyl isobutyl ketoneMITSUBISHI CHEM IND·Filed 1991·Granted Sep 22, 1992·11 cites·11 claims
- 2030US5449792AMethod for the production of maleic anhydrideMITSUBISHI CHEM CORP·Filed 1995·Granted Sep 12, 1995·0 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →