Inventor · disambiguated record
Kenzo Naito
Also filed as: NAITO KENZO
14 granted patents·76 citations·filing 1973–2016
91Inventor score
Top patents by PatentIndex Score
14 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
- 0266US4146710ASolid cephalosporin saltTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1977·Granted Mar 27, 1979·10 cites·4 claims
- 0364US4692519ACrystals of sodium cephemcarboxylateLEDERLE JAPAN LTD·Filed 1984·Granted Sep 8, 1987·10 cites·1 claims
- 0463US5183929AMethod for production of T-butyl 3-oxobutyrates and their useTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1991·Granted Feb 2, 1993·7 cites·1 claims
- 0562US4446318AMethod for producing 7-aminocephem compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1981·Granted May 1, 1984·5 cites·12 claims
- 0659US4845257A4-halogeno-2-oxyimino-3-oxobutyric acids and derivativesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1987·Granted Jul 4, 1989·6 cites·16 claims
- 0755US4908444AMethod of producing cephem compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1987·Granted Mar 13, 1990·4 cites·8 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
- 1041US9899275B2Manufacturing method of semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2016·Granted Feb 20, 2018·0 cites·17 claims
- 1140US4801703AMethod for production of cephalosporin compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1986·Granted Jan 31, 1989·2 cites·17 claims
- 1237US5162522AMethod for producing cephem compoundsTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1991·Granted Nov 10, 1992·2 cites·20 claims
- 1335US4642365AMethod for production of 1,3,2-dioxaphospholesTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1985·Granted Feb 10, 1987·1 cites·10 claims
- 1427US4122258AProcess for producing desacetoxycephalosporin derivatives by heating a penicillin-1-oxide in presence of an organic sulfideTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1973·Granted Oct 24, 1978·1 cites·35 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →