Inventor · disambiguated record
Kenshin Hayashi
Also filed as: HAYASHI KENSHIN
5 granted patents·42 citations·filing 1978–1981
78Inventor score
Technology areasC07D
Top patents by PatentIndex Score
5 records- 0192US4317907AProcess for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acidsTOYAMA CHEMICAL CO LTD·Filed 1978·Granted Mar 2, 1982·25 cites·88 claims
- 0276US4312986AProcess for producing 7-(substituted)amino-3-substituted thiomethyl-Δ3 -cephem-4-carboxylic acidsTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Jan 26, 1982·9 cites·23 claims
- 0369US4385178AProcess for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acidsTOYAMA CHEMICAL CO LTD·Filed 1981·Granted May 24, 1983·6 cites·6 claims
- 0445US4304909AProcess for producing 7-(D(-)-α-(4-ethyl-2,3-dioxo-1-piperazinecarboxamido)-α-(4-hydroxyphenyl)acetamido)-3-(5-(1-methyl-1,2,3,4-tetrazolyl)thiomethyl)-.DELTA.3 -cephem-4-carboxylic acid and a pharmaceutically acceptable salt thereofTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Dec 8, 1981·1 cites·12 claims
- 0543US4237280AIntermediate for cephalosporin type compoundTOYAMA CHEMICAL COMPANY LIMITE·Filed 1978·Granted Dec 2, 1980·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →