Inventor · disambiguated record
Kyosuke Kitoh
Also filed as: KITOH KYOSUKE
25 granted patents·274 citations·filing 1980–1997
96Inventor score
Files withEISAI CO LTD25
Top patents by PatentIndex Score
25 records- 0195US5250549ASulfonamide derivativesEISAI CO LTD·Filed 1991·Granted Oct 5, 1993·63 cites·9 claims
- 0292US5292758ASulfonamide derivativesEISAI CO LTD·Filed 1992·Granted Mar 8, 1994·39 cites·4 claims
- 0391US5610320ASulfonamide phenyl substituted compoundsEISAI CO LTD·Filed 1995·Granted Mar 11, 1997·42 cites·20 claims
- 0491US4468394ACephalosporin compoundsEISAI CO LTD·Filed 1982·Granted Aug 28, 1984·25 cites·14 claims
- 0582US4546176A7-Carboxymethoxyphenylacetamido-3-cephem derivatives and antibacterial preparations containing the sameEISAI CO LTD·Filed 1983·Granted Oct 8, 1985·13 cites·14 claims
- 0674US5554615ACondensed pyrimidine derivativeEISAI CO LTD·Filed 1994·Granted Sep 10, 1996·12 cites·26 claims
- 0768US5610304APyrimidinyl or pyridinyl sulfonamide substituted compoundsEISAI CO LTD·Filed 1995·Granted Mar 11, 1997·16 cites·9 claims
- 0867US5854274ATricyclic heterocyclic sulfonamide and sulfonic ester derivativesEISAI CO LTD·Filed 1996·Granted Dec 29, 1998·9 cites·8 claims
- 0967US5332751APyridine carboxamide compounds which have useful as pharmaceutical utilityEISAI CO LTD·Filed 1993·Granted Jul 26, 1994·6 cites·4 claims
- 1067US4285941ACephalosporin compounds and antibacterial drugs containing the sameEISAI CO LTD·Filed 1980·Granted Aug 25, 1981·6 cites·18 claims
- 1165US4921850A3-propenylcephem derivativeEISAI CO LTD·Filed 1987·Granted May 1, 1990·5 cites·11 claims
- 1263US4344944A7-α-methoxycephalosporin derivatives, and antibacterial drugs onctaining the sameEISAI CO LTD·Filed 1980·Granted Aug 17, 1982·4 cites·9 claims
- 1360US5846969ATricyclic heterocyclic sulfonamide and sulfonic ester derivativesEISAI CO LTD·Filed 1997·Granted Dec 8, 1998·6 cites·8 claims
- 1460US5834462ATricyclic heterocyclic sulfonamide and sulfonic ester derivativesEISAI CO LTD·Filed 1994·Granted Nov 10, 1998·5 cites·18 claims
- 1557US4929612AThiadiazolylacetamide cephem derivativesEISAI CO LTD·Filed 1988·Granted May 29, 1990·4 cites·5 claims
- 1652US5434172ASulfonamide derivativesEISAI CO LTD·Filed 1994·Granted Jul 18, 1995·2 cites·4 claims
- 1749US5688800ACondensed pyrimidine derivativeEISAI CO LTD·Filed 1995·Granted Nov 18, 1997·3 cites·21 claims
- 1849US4285939ACephalosporin derivatives, and antibacterial drugs containing the derivativesEISAI CO LTD·Filed 1980·Granted Aug 25, 1981·2 cites·6 claims
- 1948US4285940ACephalosporin derivatives, and antibacterial drugs comprising said derivativesEISAI CO LTD·Filed 1980·Granted Aug 25, 1981·3 cites·7 claims
- 2047US5089491A3-propenylcephem derivativeEISAI CO LTD·Filed 1990·Granted Feb 18, 1992·2 cites·6 claims
- 2144US4513145A2-Methylchromone derivatives and process for their preparationEISAI CO LTD·Filed 1983·Granted Apr 23, 1985·1 cites·4 claims
- 2243US5075296AAzacyclooctadiene compound and pharmaceutical useEISAI CO LTD·Filed 1990·Granted Dec 24, 1991·2 cites·5 claims
- 2343US5006649A3-propenylcephem derivativeEISAI CO LTD·Filed 1990·Granted Apr 9, 1991·1 cites·5 claims
- 2441US4839389APolyprenyl alcohol-containing injectionsEISAI CO LTD·Filed 1987·Granted Jun 13, 1989·3 cites·1 claims
- 2536US4415567A7α-Methoxycephalosporin derivatives, and antibacterial drugs containing the sameEISAI CO LTD·Filed 1982·Granted Nov 15, 1983·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →