Inventor · disambiguated record
Masayuki Narisada
Also filed as: HAYASHI SADAO · MATSUMURA HIROMU · NAGATA WATARU · NARISADA MASAYUKI
37 granted patents·359 citations·filing 1976–1992
97Inventor score
Top patents by PatentIndex Score
37 records- 0196US4504658AEpimerization of malonic acid estersSHIONOGI & CO·Filed 1983·Granted Mar 12, 1985·58 cites·7 claims
- 0291US4138486AArylmalonamido-1-oxadethiacephalosporinsSHIONOGI & CO·Filed 1977·Granted Feb 6, 1979·36 cites·41 claims
- 0388US4066641AMethod for cyclization to give cephem ringHAMASHIMA YOSHIO·Filed 1976·Granted Jan 3, 1978·25 cites·8 claims
- 0487US4346218ACyclization process to form cephem ringSHIONOGI & CO·Filed 1980·Granted Aug 24, 1982·14 cites·4 claims
- 0584US5084214APhenolic thioethers, and their production and useSHIONOGI & CO·Filed 1989·Granted Jan 28, 1992·35 cites·15 claims
- 0683US4954514A(Di-tert-butylhydroxyphenyl)thio derivatives and antiarterioschlerosis compositions thereofSHIONOGI & CO·Filed 1989·Granted Sep 4, 1990·36 cites·2 claims
- 0783US4079181ACertain 7-oxo-4-thio-2,6-diazabicyclo-3,2,0-hept-2-ene compoundsSHIONOGI & CO·Filed 1976·Granted Mar 14, 1978·19 cites·11 claims
- 0881US4861913ABicyclic sulfonamide derivativesSHIONOGI & CO·Filed 1986·Granted Aug 29, 1989·19 cites·13 claims
- 0972US4081595AReduction giving 3-cephem compoundsSHIONOGI & CO·Filed 1976·Granted Mar 28, 1978·8 cites·6 claims
- 1071US4201782AThiadiazolyl cephalosporin analogsSHIONOGI & CO·Filed 1978·Granted May 6, 1980·10 cites·62 claims
- 1170US4332722ACyclization to form cephem ring and intermediates thereforSHIONOGI & CO·Filed 1980·Granted Jun 1, 1982·7 cites·6 claims
- 1270US4130557AMethod for the hydrolysis of azetidinothiazoline compoundsSHIONOGI & CO·Filed 1976·Granted Dec 19, 1978·6 cites·5 claims
- 1368US4143038ACephalosporin analoguesSHIONOGI & CO·Filed 1977·Granted Mar 6, 1979·5 cites·2 claims
- 1466US4226864A7-Substituted aminoacetamido oxadethiacephalosporinsSHIONOGI & CO·Filed 1977·Granted Oct 7, 1980·14 cites·16 claims
- 1566US4180571AArylmalonamido-1-oxadethiacephalosporinsSHIONOGI & CO·Filed 1978·Granted Dec 25, 1979·5 cites·36 claims
- 1665US4160085ACyclization to form cephem ring and intermediates thereforSHIONOGI & CO·Filed 1977·Granted Jul 3, 1979·9 cites·5 claims
- 1764US4139711ADihydroethanoanthracene derivativesSHIONOGI & CO·Filed 1977·Granted Feb 13, 1979·4 cites·5 claims
- 1857US4203982AArylmalonamidomethoxycephalosporinsSHIONOGI & CO·Filed 1977·Granted May 20, 1980·3 cites·8 claims
- 1956US4976891ABicyclic sulfonamide derivativesSHIONOGI & CO·Filed 1989·Granted Dec 11, 1990·4 cites·6 claims
- 2055US4323567AArylmalonamido-1-oxadethiacephalosporinsNARISADA MASAYUKI·Filed 1980·Granted Apr 6, 1982·16 cites·59 claims
- 2153US4371532AMalonamidooxadethiacephem compoundsSHIONOGI & CO·Filed 1981·Granted Feb 1, 1983·5 cites·15 claims
- 2250US4529722AOxacephalosporin derivativesSHIONOGI & CO·Filed 1983·Granted Jul 16, 1985·7 cites·9 claims
- 2348US5008409AProcess for preparing 1,4-bridged cyclohexane carboxylic acid derivativesSHIONOGI & CO·Filed 1989·Granted Apr 16, 1991·3 cites·5 claims
- 2444US4569993AMalonyloxacephemcarboxylic acid derivativesSHIONOGI & CO·Filed 1984·Granted Feb 11, 1986·1 cites·4 claims
- 2540US5002972ACompound and composition of substituted hexenoic acid derivatives useful for treating thromboxane A2 mediated diseasesSHIONOGI & CO·Filed 1990·Granted Mar 26, 1991·3 cites·6 claims
- 2640US4960909A7-oxabicyclo[2.2.1] heptane sulfonamide derivativesSHIONOGI & CO·Filed 1989·Granted Oct 2, 1990·1 cites·3 claims
- 2740US4916231AAlkenyltetrazole derivativesSHIONOGI & CO·Filed 1989·Granted Apr 10, 1990·1 cites·5 claims
- 2839US5200533AIntermediates for preparation of 2,3-trans-1,4-bridged cyclohexane sulfonamide derivativesSHIONOGI & CO·Filed 1992·Granted Apr 6, 1993·1 cites·2 claims
- 2939US5120865APreparation of 2,3-trans-1,4-bridged cyclohexane sulfonamide derivativesSHIONOGI & CO·Filed 1991·Granted Jun 9, 1992·1 cites·4 claims
- 3038US5041635A5(Z)-7-(endo-3-benzenesulfonamidobicyclo[2.2.1]hept-exo-2-yl)-5-heptenoic acid, sodium saltSHIONOGI & CO·Filed 1990·Granted Aug 20, 1991·1 cites·1 claims
- 3138US4525355A7-β-Ureidoacetamido-oxacephalosporinsSHIONOGI & CO·Filed 1983·Granted Jun 25, 1985·1 cites·7 claims
- 3234US4061854ADihydroethanoanthracene derivatives useful as antidepressantsSHIONOGI & CO·Filed 1976·Granted Dec 6, 1977·0 cites·9 claims
- 3331US4592865AAzetidinone intermediates for cephalosporin analogsSHIONOGI & CO·Filed 1984·Granted Jun 3, 1986·0 cites·7 claims
- 3431US4211779A7α-Methoxy substituted cephalosporinsSHIONOGI & CO·Filed 1977·Granted Jul 8, 1980·0 cites·31 claims
- 3530US4376770ACephalosporin analogs for oral useSHIONOGI & CO·Filed 1981·Granted Mar 15, 1983·1 cites·20 claims
- 3630US4183928AHaloarylmalonamidooxacephalosporinsSHIONOGI & CO·Filed 1978·Granted Jan 15, 1980·0 cites·8 claims
- 3728US4440683ACyclization to form cephem ring and azetidinone intermediates thereforSHIONOGI & CO·Filed 1982·Granted Apr 3, 1984·0 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →