Inventor · disambiguated record
Tsutomu Yamanaka
Also filed as: OSUGA KUNIO · YAMANAKA TSUTOMU
14 granted patents·2 pending applications·87 citations·filing 1975–2006
90Inventor score
Top patents by PatentIndex Score
16 records- 0180US4175130AOxazole- and thiazole-alkanoic acid compoundsYOSHITOMI PHARMACEUTICAL·Filed 1978·Granted Nov 20, 1979·10 cites·9 claims
- 0277US5021432ABenzopyran compound and its pharmaceutical useYOSHITOMI PHARMACEUTICAL·Filed 1989·Granted Jun 4, 1991·20 cites·7 claims
- 0377US4713381AOxodiazine compounds and pharmaceutical compositions thereofYOSHITOMI PHARMACEUTICAL·Filed 1986·Granted Dec 15, 1987·15 cites·7 claims
- 0472US4012412A2,5-Di-substituted 4-oxazolealkanoic acid and estersYOSHITOMI PHARMACEUTICAL·Filed 1975·Granted Mar 15, 1977·9 cites·6 claims
- 0565US6805989B2Separator for solid polymer electrolyte fuel cell and process for producing the sameHITACHI CABLE·Filed 2002·Granted Oct 19, 2004·9 cites·7 claims
- 0658US5143936ABenzopyran compound and its pharmaceutical useYOSHITOMI PHARMACEUTICAL·Filed 1991·Granted Sep 1, 1992·11 cites·5 claims
- 0755US5318969ABenzopyran compound and its pharmaceutical useYOSHITOMI PHARMACEUTICAL·Filed 1992·Granted Jun 7, 1994·9 cites·4 claims
- 0844US4053478A2,5-di-substituted 4-oxazolealkanoic acids and estersYOSHITOMI PHARMACEUTICAL·Filed 1976·Granted Oct 11, 1977·2 cites·4 claims
- 0942US4365066A2(4-n-Hexadecyl amino or oxy phenyl) 5 ethoxy oxazoleacetic acid derivativesYOSHITOMI PHARMACEUTICAL·Filed 1980·Granted Dec 21, 1982·1 cites·3 claims
- 1038US2004063443A1Messsage supply systemFiled 2001·Application pending·0 cites
- 1136US2006279274A1Sampling apparatus, and testing apparatusADVANTEST CORP·Filed 2006·Application pending·0 cites
- 1234US4709095AOrtho-aminomethylphenol compoundsYOSHITOMI PHARMACEUTICAL·Filed 1985·Granted Nov 24, 1987·1 cites·9 claims
- 1329US5273998AProcess for making an optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compoundYOSHITOMI PHARMACEUTICAL·Filed 1992·Granted Dec 28, 1993·0 cites·2 claims
- 1429US5177216ADiastereomeric ester compound useful as an intermediate in the making of an optically active 3,4-dihydro-3,4-epoxy-2h-1-benzopyran compoundYOSHITOMI PHARMACEUTICAL·Filed 1991·Granted Jan 5, 1993·0 cites·1 claims
- 1525US5162553AProcesses for preparing optically active 3,4-dihydro-3,4-epoxy-2H-1-benzopyran compounds and intermediates thereforYOSHITOMI PHARMACEUTICAL·Filed 1991·Granted Nov 10, 1992·0 cites·3 claims
- 1624US5066816AProcesses for preparing optically active 3,4-dihydro-3,4-epoxy-2h-1-benzopyran compounds and intermediates thereforYOSHITOMI PHARMACEUTICAL·Filed 1990·Granted Nov 19, 1991·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →