Inventor · disambiguated record
Hajime Kamachi
Also filed as: KAMACHI HAJIME
29 granted patents·240 citations·filing 1973–1995
96Inventor score
Top patents by PatentIndex Score
29 records- 0195US4406899ACephalosporinsBRISTOL MYERS CO·Filed 1982·Granted Sep 27, 1983·54 cites·11 claims
- 0284US4525473ACephalosporinsBRISTOL MYERS CO·Filed 1983·Granted Jun 25, 1985·28 cites·48 claims
- 0381US5234920AAntibiotic C-7 catechol-substituted cephalosporin compounds, compositions, and method of use thereofBRISTOL MYERS SQUIBB CO·Filed 1992·Granted Aug 10, 1993·25 cites·11 claims
- 0480US4231928AAntibacterial agentsBRISTOL MYERS CO·Filed 1979·Granted Nov 4, 1980·9 cites·16 claims
- 0575US3946000A7-[α-(2-Aminomethyl-1-cyclohexenyl)-acetamido]-3-heterocyclic thiomethyl-3-cephem-4-carboxylic acidsBRISTOL MYERS CO·Filed 1973·Granted Mar 23, 1976·9 cites·22 claims
- 0672US4457929A3-Quaternary ammonium methyl)-substituted cephalosporin derivativesBRISTOL MYERS CO·Filed 1982·Granted Jul 3, 1984·17 cites·11 claims
- 0771US4151352A7-Amino-3-(2-carboxyalkyl-2,3-dihydro-s-triazolo[4,3-b]pyridazin-3-on-6-ylthiomethyl)-3-cephem-4-carboxylic acidsBRISTOL MYERS CO·Filed 1978·Granted Apr 24, 1979·5 cites·4 claims
- 0869US4708955A3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids and esters thereofBRISTOL MYERS CO·Filed 1985·Granted Nov 24, 1987·8 cites·62 claims
- 0969US4507487AChemical compoundsBRISTOL MYERS CO·Filed 1983·Granted Mar 26, 1985·6 cites·3 claims
- 1068US5095012AAntibiotic c-7 catechol-substituted cephalosporin compounds, compositions, and method of use thereofBRISTOL MYERS SQUIBB CO·Filed 1990·Granted Mar 10, 1992·24 cites·6 claims
- 1166US4394503ACephalosporin derivativesBRISTOL MYERS CO·Filed 1981·Granted Jul 19, 1983·5 cites·4 claims
- 1265US4935508AProcess for cephem prodrug estersBRISTOL MYERS CO·Filed 1988·Granted Jun 19, 1990·7 cites·9 claims
- 1358US4874856A3-(substituted)propenyl-7-(aminothiazolylacetamido) ceph-3-em-4-carboxylic acids and esters thereofBRISTOL MYERS CO·Filed 1987·Granted Oct 17, 1989·8 cites·13 claims
- 1456US5414073APradimic acids, amides, and novel pradimicin derivativesBRISTOL MYERS SQUIBB·Filed 1994·Granted May 9, 1995·8 cites·3 claims
- 1552US5126336AAntibiotic c-3 catechol-substituted cephalosporin compounds, compositions and method of use thereofBRISTOL MYERS SQUIBB CO·Filed 1990·Granted Jun 30, 1992·10 cites·71 claims
- 1650US5326867APradimic acids, amides, and pradimicin derivativesBRISTOL MYERS SQUIBB CO·Filed 1992·Granted Jul 5, 1994·3 cites·11 claims
- 1745US4082912ACertain 7-acylamido-3-(2-carboxyalkyl-2,3-dihydro-s-triazolo[4,3-b]pyridazin-3-on-6-ylmethyl)-3-cephem-4-carboxylic acids their salts and easily hydrolyzed estersBRISTOL MYERS CO·Filed 1977·Granted Apr 4, 1978·1 cites·36 claims
- 1843US4474954AIntermediates for cephalosporin derivativesBRISTOL MYERS CO·Filed 1982·Granted Oct 2, 1984·1 cites·4 claims
- 1942US5227370APradimicin derivativesBRISTOL MYERS SQUIBB CO·Filed 1991·Granted Jul 13, 1993·4 cites·13 claims
- 2041US5194433AAntibiotic c-3 catechol-substituted cephalosporin compounds, compositions and method of use thereofBRISTOL MYERS SQUIBB CO·Filed 1990·Granted Mar 16, 1993·4 cites·6 claims
- 2136US5410029APradimicin derivativesBRISTOL MYERS SQUIBB CO·Filed 1994·Granted Apr 25, 1995·1 cites·1 claims
- 2236US4198506A2-Carboxyalkyl-2,3-dihydro-6-mercapto-s-triazolo[4,3-b]-pyridazin-3-onesBRISTOL MYERS CO·Filed 1979·Granted Apr 15, 1980·0 cites·3 claims
- 2334US3985738A7-(D-.alpha.-Hydroxy-2-arylacetamido)-3-(tetrazolo-[4,5-b]pyridazin-6-ylthiomethyl)-3-cephem-4-carboxylic acidsBRISTOL MYERS CO·Filed 1974·Granted Oct 12, 1976·1 cites·54 claims
- 2433US4112228A7-(D-α-Hydroxy-2-arylacetamido)-3-(2-carboxyalkyl-2,3-dihydro-s-triazolo-[4,3-b]pyridazin-3-on-6-ylthiomethyl)-3-cephem-4-carboxylic acids and derivativesBRISTOL MYERS CO·Filed 1977·Granted Sep 5, 1978·0 cites·45 claims
- 2532US5608044APradimic acids, amides, and pradimicin derivativesBRISTOL MYERS SQUIBB CO·Filed 1995·Granted Mar 4, 1997·1 cites·8 claims
- 2631US5837828APradimicin derivativesBRISTOL MYERS SQUIBB CO·Filed 1995·Granted Nov 17, 1998·0 cites·3 claims
- 2731US5143911AAntibiotic c-3 di-hydroxyphenyl substituted cephalosporin compounds, compositions and method of use thereofBRISTOL MYERS SQUIBB CO·Filed 1990·Granted Sep 1, 1992·1 cites·21 claims
- 2830US6281342B1Pradimicin compoundsBRISTOL MYERS SQUIBB CO·Filed 1994·Granted Aug 28, 2001·0 cites·2 claims
- 2930US5338728APradimicin compoundsBRISTOL MYERS SQUIBB·Filed 1992·Granted Aug 16, 1994·0 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →