Inventor · disambiguated record
Masaru Ubasawa
Also filed as: UBASAWA MASARU
11 granted patents·1 pending application·368 citations·filing 1989–2001
92Inventor score
Top patents by PatentIndex Score
12 records- 0194US6767900B2Phosphonate nucleotide compoundMITSUBISHI PHARMA CORP·Filed 2001·Granted Jul 27, 2004·86 cites·13 claims
- 0288US5840716APhosphonate nucleotide compoundsMITSUBISHI CHEM CORP·Filed 1997·Granted Nov 24, 1998·51 cites·18 claims
- 0387US6037335APhosphonate-nucleotide ester derivativesMITSUBISHI CHEM CORP·Filed 1997·Granted Mar 14, 2000·64 cites·7 claims
- 0483US5604209ASynergistic antiviral compositionsMITSUBISHI CHEM CORP·Filed 1994·Granted Feb 18, 1997·45 cites·8 claims
- 0583US5461060APyrimidine derivatives and anti-viral agent containing the same as active ingredient thereofMITSUBISHI CHEM IND·Filed 1993·Granted Oct 24, 1995·28 cites·11 claims
- 0680US6197775B1Phosphonate nucleotide derivativesMITSUBISHI CHEM CORP·Filed 1996·Granted Mar 6, 2001·30 cites·13 claims
- 0780US5112835A6-substituted acyclopyrimidine nucleoside derivatives and antiviral agents containing the same as active ingredient thereofMITSUBISHI CHEM IND·Filed 1989·Granted May 12, 1992·16 cites·18 claims
- 0872US5318972APyrimidine nucleoside derivative and antiviral agent containing the derivative as active ingredientMITSUBISHI CHEM IND·Filed 1991·Granted Jun 7, 1994·13 cites·8 claims
- 0968US5206255AHeterocyclic compoundMITSUBISHI CHEM IND·Filed 1990·Granted Apr 27, 1993·27 cites·9 claims
- 1044USRE37979EPyrimidine derivatives and anti-viral agent containing the same as active ingredient thereofMITSUBISHI CHEM CORP·Filed 1997·Granted Feb 4, 2003·3 cites·15 claims
- 1142US6194398B1Phosphonate nucleotide compoundMITSUBISHI CHEM CORP·Filed 1997·Granted Feb 27, 2001·5 cites·10 claims
- 1237US2004063651A1Remedies for hepatitis cFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →