Inventor · disambiguated record
Yukio Ishibashi
Also filed as: ISHIBASHI YUKIO
10 granted patents·83 citations·filing 1984–1997
89Inventor score
Top patents by PatentIndex Score
10 records- 0183US5109131AMethod for production of t-butyl 3-oxobutyrates and their useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1989·Granted Apr 28, 1992·19 cites·9 claims
- 0266US4592974AActive material for negative poles of alkaline dry cells, and method for making said materialDOWA MINING CO·Filed 1984·Granted Jun 3, 1986·26 cites·7 claims
- 0363US5183929AMethod for production of T-butyl 3-oxobutyrates and their useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1991·Granted Feb 2, 1993·7 cites·1 claims
- 0459US4845257A4-halogeno-2-oxyimino-3-oxobutyric acids and derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1987·Granted Jul 4, 1989·6 cites·16 claims
- 0555US4908444AMethod of producing cephem compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1987·Granted Mar 13, 1990·4 cites·8 claims
- 0654US6174877B1Carbapenem compound, their production and useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1997·Granted Jan 16, 2001·6 cites·14 claims
- 0753US5492903ACrystalline esters of (+)-(5R, 6S)-6-[(R)-1-hydroxyethyl]-3-(3-pyridyl)-7-oxo-4-thia-1-azabicyclo[3.2.0]heTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1993·Granted Feb 20, 1996·4 cites·7 claims
- 0852US4980464AMethod for production of cephalosporin compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1989·Granted Dec 25, 1990·6 cites·7 claims
- 0947US4927964AMethod for production of 2-oxyimino-3-oxobutyric acidsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1989·Granted May 22, 1990·3 cites·8 claims
- 1037US5162522AMethod for producing cephem compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1991·Granted Nov 10, 1992·2 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →