Inventor · disambiguated record
Takayasu Sonoyama
Also filed as: SONOYAMA TAKAYASU
13 granted patents·325 citations·filing 1975–1992
92Inventor score
Top patents by PatentIndex Score
13 records- 0189US5338676ACephalosporin acetylhydrolase gene and protein encoded by said geneSHIONOGI & CO·Filed 1992·Granted Aug 16, 1994·145 cites·12 claims
- 0283US5281525ACephalosporin acetylhydrolase gene from Bacillus subtilisSHIONOGI & CO·Filed 1991·Granted Jan 25, 1994·74 cites·9 claims
- 0374US3959076AProcess for producing 2-keto-L-gulonic acidSHIONOGI & CO·Filed 1975·Granted May 25, 1976·17 cites·11 claims
- 0471US3998697AProcess for preparing 2-keto-L-gulonic acidSHIONOGI & CO·Filed 1975·Granted Dec 21, 1976·27 cites·50 claims
- 0570US4543331AFermentative or enzymatic production of 2-keto-L-gulonic acidSHIONOGI & CO·Filed 1983·Granted Sep 24, 1985·11 cites·24 claims
- 0656US5134077AMicroorganisms of the genus Erwinia useful for preparing 2,5-diketo-D-gluconic acidSHIONOGI & CO·Filed 1989·Granted Jul 28, 1992·7 cites·7 claims
- 0754US4879229AMethod for preparing 2,5-diketo-D-gluconic acidSHIONOGI & CO·Filed 1988·Granted Nov 7, 1989·6 cites·23 claims
- 0853US3963574AProcess for producing 2-keto-L-gulonic acidSONOYAMA TAKAYASU·Filed 1975·Granted Jun 15, 1976·15 cites·7 claims
- 0948US4287137AVane-type fluid impeller and method of aerating a liquidSHIONOGI & CO·Filed 1980·Granted Sep 1, 1981·14 cites·22 claims
- 1040US4696897AProcess for preparing 2-keto-L-gulonic acidSHIONOGI & CO·Filed 1985·Granted Sep 29, 1987·3 cites·20 claims
- 1135US4748122A2,5-diketo-D-gluconic acid reductaseSHIONOGI & CO·Filed 1984·Granted May 31, 1988·3 cites·23 claims
- 1233US5234819AMethod for preparing 2,5-diketo-D-gluconic acidSHIONOGI & CO·Filed 1992·Granted Aug 10, 1993·1 cites·5 claims
- 1328US5459067AMethod for producing optically active norborneol by ester hydrolysisSHIONOGI & CO·Filed 1992·Granted Oct 17, 1995·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →