Inventor · disambiguated record
Riichiro Shibakawa
Also filed as: SHIBAKAWA RIICHIRO
28 granted patents·207 citations·filing 1975–1984
96Inventor score
Files withPFIZER28
Top patents by PatentIndex Score
28 records- 0193US4195079ANew polycyclic ether antibioticPFIZER·Filed 1979·Granted Mar 25, 1980·47 cites·6 claims
- 0283US4148883AAntibiotics produced by new species of nocardiaPFIZER·Filed 1977·Granted Apr 10, 1979·24 cites·3 claims
- 0383US4148882APolycyclic ether antibiotics produced by new species of actinomycetePFIZER·Filed 1977·Granted Apr 10, 1979·23 cites·9 claims
- 0476US4224314AAntibiotics produced by species of NocardiaPFIZER·Filed 1979·Granted Sep 23, 1980·16 cites·3 claims
- 0570US4605624ANocardia species capable of producing nargenicin C1PFIZER·Filed 1984·Granted Aug 12, 1986·6 cites·2 claims
- 0669US4431801APolycyclic ether antibioticPFIZER·Filed 1982·Granted Feb 14, 1984·9 cites·3 claims
- 0762US4247462AAnsamycin antibioticPFIZER·Filed 1980·Granted Jan 27, 1981·7 cites·1 claims
- 0857US4169887AAntibiotics produced by species of actinoplanesPFIZER·Filed 1978·Granted Oct 2, 1979·7 cites·5 claims
- 0955US4361649APolycyclic ether antibioticPFIZER·Filed 1981·Granted Nov 30, 1982·5 cites·3 claims
- 1055US4148880AMixture of antibiotics produced by a species of actinoplanesPFIZER·Filed 1976·Granted Apr 10, 1979·6 cites·3 claims
- 1153US4436747ANargenicin C1PFIZER·Filed 1982·Granted Mar 13, 1984·4 cites·3 claims
- 1252US4533553APolycyclic ether antibioticPFIZER·Filed 1983·Granted Aug 6, 1985·4 cites·3 claims
- 1352US4083963APolypeptide antibiotic produced by a new subspecies of streptosporangiumPFIZER·Filed 1977·Granted Apr 11, 1978·4 cites·4 claims
- 1446US4031206AAntibiotics produced by species of pseudonocardiaPFIZER·Filed 1976·Granted Jun 21, 1977·5 cites·3 claims
- 1545US4001397AAntibiotic compound 41,012PFIZER·Filed 1975·Granted Jan 4, 1977·8 cites·2 claims
- 1644US4411892ATylosin macrolide antibiotics from streptomycesPFIZER·Filed 1982·Granted Oct 25, 1983·2 cites·5 claims
- 1743US4496546AErythromycin D and esters thereofPFIZER·Filed 1982·Granted Jan 29, 1985·2 cites·12 claims
- 1842US3991183AAntibiotic produced by a species of micromonosporaPFIZER·Filed 1975·Granted Nov 9, 1976·4 cites·3 claims
- 1941US4150152APolycyclic ether antibiotic produced by a strain of streptomyces hygroscopicusPFIZER·Filed 1977·Granted Apr 17, 1979·6 cites·5 claims
- 2039US4225674AProcess for producing new ansamycin antibioticPFIZER·Filed 1979·Granted Sep 30, 1980·5 cites·1 claims
- 2138US4032631AMixture of antibiotics produced by new species of micromonosporaPFIZER·Filed 1975·Granted Jun 28, 1977·2 cites·4 claims
- 2236US4450237AStreptomyces albus subspecies indicusPFIZER·Filed 1983·Granted May 22, 1984·1 cites·1 claims
- 2335US4081532APolycyclic ether antibiotic produced by new species of dactylosporangiumPFIZER·Filed 1976·Granted Mar 28, 1978·1 cites·8 claims
- 2434US4212944AProcess for producing nocardicin APFIZER·Filed 1979·Granted Jul 15, 1980·3 cites·1 claims
- 2534US4038383AMixture of antibiotics produced by a species of actinoplanesPFIZER·Filed 1975·Granted Jul 26, 1977·4 cites·5 claims
- 2632US4032632AMixture of antibiotics produced by new species of streptosporangiumPFIZER·Filed 1976·Granted Jun 28, 1977·2 cites·3 claims
- 2731US4582796AErythromycin D and esters thereof by fermentation with Nocardia sp. ATCC 39043PFIZER·Filed 1984·Granted Apr 15, 1986·0 cites·9 claims
- 2830US4287182AAntibiotics produced by a new microbe, Catenuloplanes japonicusPFIZER·Filed 1980·Granted Sep 1, 1981·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →