Inventor · disambiguated record
Masakatsu Matsumoto
Also filed as: MATSUMOTO MASAKATSU
25 granted patents·214 citations·filing 1975–2007
96Inventor score
Top patents by PatentIndex Score
25 records- 0180US6228653B11,2-dioxetane derivative fused to pyran ring and use thereofTOSOH CORP·Filed 2000·Granted May 8, 2001·11 cites·10 claims
- 0278US5731445A1,2- Dioxetane derivativesFUJIREBIO KK·Filed 1996·Granted Mar 24, 1998·19 cites·16 claims
- 0378US5266707A3,5-dihydroxyheptanoic acid derivativesFUJIREBIO KK·Filed 1992·Granted Nov 30, 1993·21 cites·17 claims
- 0476US5650525A1,2-dioxetane derivatives, intermediates for syntheses thereof and methods of producing the intermediatesFiled 1995·Granted Jul 22, 1997·13 cites·4 claims
- 0575US6747160B21,2-Dioxetane derivatives and reagents employing themTOSOH CORP·Filed 2003·Granted Jun 8, 2004·5 cites·31 claims
- 0673US4482493AMethod for preparing benzoquinonesSAGAMI CHEM RES·Filed 1983·Granted Nov 13, 1984·10 cites·16 claims
- 0772US5877333A1,2-dioxetane derivativesFUJIREBIO KK·Filed 1997·Granted Mar 2, 1999·14 cites·15 claims
- 0871US5481009AMethods of producing carboxylic acid ester derivatives and intermediates for use in the methodsFUJIREBIO KK·Filed 1994·Granted Jan 2, 1996·10 cites·11 claims
- 0968US5929254A1,2-dioxetane derivativesFUJIREBIO KK·Filed 1997·Granted Jul 27, 1999·12 cites·13 claims
- 1068US5698727A1,2-dioxetane derivatives, intermediates for syntheses thereof and methods of producing the intermediatesFiled 1995·Granted Dec 16, 1997·10 cites·2 claims
- 1167US6844453B21,2-Dioxetane derivatives and reagents employing themTOSOH CORP·Filed 2004·Granted Jan 18, 2005·2 cites·13 claims
- 1266US5936132AAlkene intermediates and synthesis thereofFiled 1997·Granted Aug 10, 1999·7 cites·2 claims
- 1361US3970673AProcess for preparing bicyclic γ-lactoneSAGAMI CHEM RES·Filed 1975·Granted Jul 20, 1976·4 cites·7 claims
- 1456US7115757B21,2-dioxetane derivatives and reagents employing themTOSOH CORP·Filed 2004·Granted Oct 3, 2006·0 cites·9 claims
- 1553US5599952AMethods of producing carboxylic acid ester derivatives and intermediates for use in the methodsFUJIREBIO KK·Filed 1995·Granted Feb 4, 1997·4 cites·12 claims
- 1650US6218135B11,2-dioxetane derivativeMATSUMOTO MASAKATSU·Filed 1999·Granted Apr 17, 2001·19 cites·20 claims
- 1747US8331075B2Electro-static floating type gyro deviceKISHIMOTO MASAO·Filed 2007·Granted Dec 11, 2012·1 cites·19 claims
- 1843US5616711AMethods of producing aminobutene derivativesFUJIREBIO KK·Filed 1993·Granted Apr 1, 1997·2 cites·24 claims
- 1942US4705884AFluorine-substituted phenyl benzoates and process for producing sameSAGAMI CHEM RES·Filed 1985·Granted Nov 10, 1987·2 cites·5 claims
- 2040US5354975AContactless data processing apparatusTOKIMEC INC·Filed 1993·Granted Oct 11, 1994·42 cites·13 claims
- 2139US5523460A4-fluorobiphenyl derivativesFUJIREBIO KK·Filed 1994·Granted Jun 4, 1996·2 cites·36 claims
- 2238US6982336B21,2-dioxetane derivatives, luminescent reagents, luminescence methods and measuring methodsTOSOH CORP·Filed 2002·Granted Jan 3, 2006·0 cites·10 claims
- 2334US4861917AProcess for preparing macrocyclic 2-halogenoketonesSAGAMI CHEM RES·Filed 1988·Granted Aug 29, 1989·1 cites·16 claims
- 2433US4558143AProcess for preparing 4-oxo-4,5,6,7-tetrahydrobenzofuranSAGAMI CHEM RES·Filed 1983·Granted Dec 10, 1985·0 cites·1 claims
- 2531US5393780A4-fluorobiphenyl derivativesFUJIREBIO KK·Filed 1994·Granted Feb 28, 1995·3 cites·18 claims
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