Inventor · disambiguated record
Tomizo Niwa
Also filed as: NIWA TOMIZO · SHOMURA TAKASHI
12 granted patents·60 citations·filing 1974–1984
88Inventor score
Files withMEIJI SEIKA KAISHA12
Top patents by PatentIndex Score
12 records- 0183US3956337AProcess for the preparation of D-gluconic-δ-lactamMEIJI SEIKA KAISHA·Filed 1974·Granted May 11, 1976·12 cites·4 claims
- 0275US4226941AProcess for the optical resolution of d,l-2-amino-4-methylphosphinobutyric acidMEIJI SEIKA KAISHA·Filed 1979·Granted Oct 7, 1980·17 cites·15 claims
- 0358US4376778AAntibiotic substances and processes for production thereofMEIJI SEIKA KAISHA·Filed 1980·Granted Mar 15, 1983·7 cites·2 claims
- 0454US4141790AProcess for the preparation of 7-amino-cephem compounds using mold fungiMEIJI SEIKA KAISHA·Filed 1977·Granted Feb 27, 1979·7 cites·8 claims
- 0552US4536398AAntiviral agentsMEIJI SEIKA KAISHA·Filed 1984·Granted Aug 20, 1985·5 cites·2 claims
- 0649US4316894AAntibiotic SF-1130-x3 3 substance and production and use thereofMEIJI SEIKA KAISHA·Filed 1980·Granted Feb 23, 1982·7 cites·3 claims
- 0735US4404218AAntibiotic SF-2103A substance and process for production thereofMEIJI SEIKA KAISHA·Filed 1981·Granted Sep 13, 1983·2 cites·3 claims
- 0831US3975235AProcess for the production of cephamycin type antibiotic substancesMEIJI SEIKA KAISHA·Filed 1975·Granted Aug 17, 1976·2 cites·6 claims
- 0930US4298599ANovel antibiotic BN-235 substance, and process for the production thereofMEIJI SEIKA KAISHA·Filed 1980·Granted Nov 3, 1981·1 cites·2 claims
- 1028US4396603ANovel antibiotic SF-2107 series substance and process for preparing the sameMEIJI SEIKA KAISHA·Filed 1981·Granted Aug 2, 1983·0 cites·7 claims
- 1128US4220639AAntibiotics SF-2050 and SF-2050B substances and production and use thereofMEIJI SEIKA KAISHA·Filed 1979·Granted Sep 2, 1980·0 cites·8 claims
- 1227US4235883ANovel antibiotic BN-213 substance and its productionMEIJI SEIKA KAISHA·Filed 1978·Granted Nov 25, 1980·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →