Inventor · disambiguated record
Takashi Tsuruoka
Also filed as: HACHISU MITSUGU · INOUE SHIGEHARU · OGAWA YASUAKI · OHYA ZENICHIRO
52 granted patents·601 citations·filing 1974–2002
98Inventor score
Files withMEIJI SEIKA KAISHA41MEIJI SEIKA CO6MEIJI SAIKA KAISHA LTD1MEIJI SEIKA KABURHIKI KAISHA1MEIJI SELKA KAISHA LTD1
Top patents by PatentIndex Score
52 records- 0198US4265654AHerbicidal compositionsMEIJI SEIKA KAISHA·Filed 1978·Granted May 5, 1981·110 cites·11 claims
- 0292US5399566APyridine derivatives having angiotensin II antagonismMEIJI SEIKA CO·Filed 1991·Granted Mar 21, 1995·69 cites·11 claims
- 0390US6583144B2Nitrogen-containing heterocyclic compounds and therapeutic agents for hyperlipidemia comprising the sameMEIJI SEIKA KAISHA·Filed 2002·Granted Jun 24, 2003·31 cites·11 claims
- 0488US4309208AHerbicidal compositions and herbicidal processesMEIJI SEIKA KAISHA·Filed 1978·Granted Jan 5, 1982·19 cites·4 claims
- 0587US4563472AIodoallyl and iodopropargyl substituted tetrazoles and anti-microbial compositions thereofMEIJI SEIKA KAISHA·Filed 1982·Granted Jan 7, 1986·19 cites·14 claims
- 0686US4985445ACancer cell metastasis inhibitors and novel compoundsMEIJI SEIKA KAISHA·Filed 1989·Granted Jan 15, 1991·24 cites·3 claims
- 0785US5250545ACancer cell metastasis inhibitor methodsMEIJI SEIKA KAISHA·Filed 1990·Granted Oct 5, 1993·33 cites·1 claims
- 0885US4264532AProcess for preparing D,L-2-amino-4-methylphosphinobutyric acidTSURUOKA TAKASHI·Filed 1979·Granted Apr 28, 1981·24 cites·5 claims
- 0984US4382812AHerbicidal compositionsMEIJI SEIKA KAISHA·Filed 1979·Granted May 10, 1983·11 cites·9 claims
- 1083US4216226AAntiviral agent and treatment of viral infectionsMEIJI SEIKA KAISHA·Filed 1978·Granted Aug 5, 1980·22 cites·8 claims
- 1183US3956337AProcess for the preparation of D-gluconic-δ-lactamMEIJI SEIKA KAISHA·Filed 1974·Granted May 11, 1976·12 cites·4 claims
- 1281US4198416A5-Alkoxy-picolinic esters and anti-hypertensive composition containing 5-alkoxy-picolinic estersMEIJI SEIKA KAISHA·Filed 1978·Granted Apr 15, 1980·11 cites·10 claims
- 1380US4226610AHerbicidal compounds, preparation thereof and herbicides containing the sameMEIJI SELKA KAISHA LTD·Filed 1979·Granted Oct 7, 1980·13 cites·22 claims
- 1475US4466913APhosphorus-containing compounds and process for producing the sameMEIJI SEIKA KAISHA·Filed 1982·Granted Aug 21, 1984·11 cites·1 claims
- 1574US4552584AHerbicidal composition and herbicidal processesMEIJI SEIKA KAISHA·Filed 1983·Granted Nov 12, 1985·6 cites·5 claims
- 1673US5840895ATriazole intermediates for tricyclic benzazepine and benzothiazepine derivativesMEIJI SEIKA CO·Filed 1997·Granted Nov 24, 1998·19 cites·4 claims
- 1773US5294629ABenzothiazole and benzimidazole derivatives and antiulcer agent containing the sameMEIJI SEIKA KAISHA·Filed 1993·Granted Mar 15, 1994·17 cites·7 claims
- 1873US4448601AHerbicidal compositions and herbicidal processesMEIJI SEIKA KAISHA·Filed 1981·Granted May 15, 1984·6 cites·3 claims
- 1970US5594004ACompound with platelet aggregation inhibitor activityMEIJI SEIKA CO·Filed 1994·Granted Jan 14, 1997·12 cites·21 claims
- 2068US4495358AAntibiotic pyrrolomycin EMEIJI SEIKA KAISHA·Filed 1982·Granted Jan 22, 1985·11 cites·2 claims
- 2167US4469643APhosphorus-containing compounds and process for producing the sameMEIJI SEIKA KAISHA·Filed 1983·Granted Sep 4, 1984·8 cites·5 claims
- 2266US4758557ACephalosporin derivatives and bactericides containing the sameMEIJI SEIKA KAISHA·Filed 1986·Granted Jul 19, 1988·8 cites·17 claims
- 2363US5686442ATricyclic benzazepine and benzothiazepine derivativesMEIJI SEIKA CO·Filed 1994·Granted Nov 11, 1997·18 cites·18 claims
- 2463US4555404ASodium 7β-(2D-2-amino-2-carboxyethylthioacetamido)-7α-methoxy-3-(1-methyl-1H-tetrazol-5-yl)thiomethyl-3-cephem-4-carboxylate heptahydrate and process for its preparationMEIJI SEIKA KAISHA·Filed 1983·Granted Nov 26, 1985·8 cites·12 claims
- 2563US4017607A9,3",4"-Triacyl ester of the antibiotic SF-837 M1 substance and the production thereofMEIJI SEIKA KAISHA·Filed 1975·Granted Apr 12, 1977·8 cites·8 claims
- 2658US4785090ACephalosporin derivativesMEIJI SEIKA KAISHA·Filed 1985·Granted Nov 15, 1988·5 cites·13 claims
- 2757US4647572AIodoallyl and iodopropargyl substituted tetrazoles and anti-microbial compositions thereofMEIJI SEIKA KAISHA·Filed 1983·Granted Mar 3, 1987·6 cites·4 claims
- 2857US4622060AHerbicidal compositions and herbicidal processesMEIJI SEIKA KAISHA·Filed 1985·Granted Nov 11, 1986·4 cites·6 claims
- 2957US4552583AHerbicidal compositionsMEIJI SEIKA KAISHA·Filed 1982·Granted Nov 12, 1985·3 cites·16 claims
- 3054US4455163AHerbicidal compositions and herbicidal processesMEIJI SEIKA KAISHA·Filed 1981·Granted Jun 19, 1984·2 cites·8 claims
- 3154US4122171AAgent for protecting against renal failureNEIJI SEIKA KAISHA LTD·Filed 1977·Granted Oct 24, 1978·6 cites·8 claims
- 3252US4258184ACephalosporin derivativesMEIJI SEIKA KAISHA·Filed 1979·Granted Mar 24, 1981·4 cites·5 claims
- 3348US4189489A5-Alkoxy-picolinic acid calcium salts and anti-hypertensive composition containing 5-alkoxy-picolinic acid calcium salts and anti-hypertensive composition thereofMEIJI SEIKA KAISHA·Filed 1977·Granted Feb 19, 1980·3 cites·6 claims
- 3448US4169140AAntibiotics SF-1771 substance and SF-1771-B substance as well as the production of these substancesMEIJI SEIKA KAISHA·Filed 1976·Granted Sep 25, 1979·4 cites·10 claims
- 3548US4083850A3-Substituted-2(1H)pyridon-6-carboxylic acids and process for preparation of sameMEIJI SEIKA KAISHA·Filed 1976·Granted Apr 11, 1978·2 cites·27 claims
- 3644US4302580AProcess for the production of a cephamycin derivativeMEIJI SEIKA KAISHA·Filed 1980·Granted Nov 24, 1981·3 cites·9 claims
- 3741US4971961ACephalosporin compounds and antibacterial agentsMEIJI SEIKA KAISHA·Filed 1988·Granted Nov 20, 1990·3 cites·12 claims
- 3840US5185347APiperidine compounds and antiulcer composition containing the sameMEIJI SEIKA KAISHA·Filed 1991·Granted Feb 9, 1993·2 cites·10 claims
- 3940US5141946AAzole derivatives and anti-ulcerative composition containing sameMEIJI SEIKA CO·Filed 1991·Granted Aug 25, 1992·4 cites·4 claims
- 4037US4103083ANovel antibiotics derivatives and process for preparing the sameMEIJI SEIKA KAISHA·Filed 1976·Granted Jul 25, 1978·5 cites·3 claims
- 4135US4027014AAntibiotic BN-130 substances and the production thereofMEIJI SEIKA KAISHA·Filed 1975·Granted May 31, 1977·3 cites·6 claims
- 4234US6417362B1Nitrogenous heterocyclic compounds and hyperlipemia remedy containing the sameMEIJI SEIKA KAISHA·Filed 1998·Granted Jul 9, 2002·4 cites·11 claims
- 4334US5200407AAzole derivatives and anti-ulcerative composition containing sameMEIJI SEIKA KABURHIKI KAISHA·Filed 1991·Granted Apr 6, 1993·2 cites·5 claims
- 4434US5028601ACephalosporin compounds and antibacterial agentsMEIJI SAIKA KAISHA LTD·Filed 1988·Granted Jul 2, 1991·1 cites·3 claims
- 4534US4202886AAntibiotic SF-1942 substance and process for production of the sameMEIJI SEIKA KAISHA·Filed 1978·Granted May 13, 1980·1 cites·2 claims
- 4634US4156728A3-Substituted-2(1H)pyridone-6-carboxylic acidsMEIJI SEIKA KAISHA·Filed 1977·Granted May 29, 1979·0 cites·9 claims
- 4734US3959256A9-O-Alkanoyl-3"-O-alkanoyloxymethyl-SF-837 substance and the production thereofMEIJI SEIKA KAISHA·Filed 1974·Granted May 25, 1976·1 cites·12 claims
- 4833US4242327AAntibiotic SF-2052 substance and production and use thereofMEIJI SEIKA KAISHA·Filed 1979·Granted Dec 30, 1980·1 cites·6 claims
- 4932US5698692ACompound with platelet aggregation inhibitor activityMEIJI SEIKA CO·Filed 1996·Granted Dec 16, 1997·1 cites·2 claims
- 5032US4325951A1-Oxadethiacephalosporin derivatives and antibacterial use thereofMEIJI SEIKA KAISHA·Filed 1980·Granted Apr 20, 1982·1 cites·10 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →