Assignee
TOYAMA CHEMICAL CO LTD
JP·119 granted patents·17 pending applications·1,502 citations·filing 1974–2018
Top patents by PatentIndex Score
136 records- 0196US4087424ANovel penicillins and cephalosporins and process for producing the sameTOYAMA CHEMICAL CO LTD·Filed 1975·Granted May 2, 1978·56 cites·4 claims
- 0295US5877174A2,3-diketopiperazine derivatives or their saltsTOYAMA CHEMICAL CO LTD·Filed 1995·Granted Mar 2, 1999·136 cites·31 claims
- 0395US4112090ANovel penicillins and cephalosporins and process for producing the sameTOYAMA CHEMICAL CO LTD·Filed 1976·Granted Sep 5, 1978·44 cites·40 claims
- 0495US4110327A2,3 Diketo-piperazinocarbonylamino alkanoic acids and derivativesTOYAMA CHEMICAL CO LTD·Filed 1976·Granted Aug 29, 1978·43 cites·8 claims
- 0594US4704459AProcess for producing 1-substituted aryl-1,4-dihydro-4-oxonaphthyridine derivatives, and processes for producing the intermediatesTOYAMA CHEMICAL CO LTD·Filed 1986·Granted Nov 3, 1987·67 cites·13 claims
- 0693US4643849AIntermediates for urea and thiourea derivativesTOYAMA CHEMICAL CO LTD·Filed 1983·Granted Feb 17, 1987·53 cites·10 claims
- 0793US4379152ACephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Apr 5, 1983·30 cites·27 claims
- 0892US4410522ACephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1977·Granted Oct 18, 1983·28 cites·47 claims
- 0992US4327097ANovel penicillinsTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Apr 27, 1982·28 cites·14 claims
- 1092US4317907AProcess for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acidsTOYAMA CHEMICAL CO LTD·Filed 1978·Granted Mar 2, 1982·25 cites·88 claims
- 1192US4219554ANovel penicillins and cephalosporins and process for producing sameTOYAMA CHEMICAL CO LTD·Filed 1978·Granted Aug 26, 1980·28 cites·16 claims
- 1289US4372949ATreatment of cancer with carcinostatic and immunostimulating agent containing lysophospholipid and phospholipidTOYAMA CHEMICAL CO LTD·Filed 1980·Granted Feb 8, 1983·160 cites·9 claims
- 1388US4698352A4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and antibacterial agents containing the sameTOYAMA CHEMICAL CO LTD·Filed 1983·Granted Oct 6, 1987·30 cites·13 claims
- 1488US4610983AN-acyl acidic amino acid diamide derivative, a salt thereof, and an anti-ulcer agent containing the sameTOYAMA CHEMICAL CO LTD·Filed 1984·Granted Sep 9, 1986·30 cites·22 claims
- 1588US4489072ACephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1981·Granted Dec 18, 1984·18 cites·30 claims
- 1687US7468443B2Alkyl ether derivatives or salts thereofTOYAMA CHEMICAL CO LTD·Filed 2006·Granted Dec 23, 2008·8 cites·3 claims
- 1786US5578627A1,2-benzoisoxazole derivative or its salt and brain-protecting agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1993·Granted Nov 26, 1996·48 cites·32 claims
- 1885US7087594B2Alkyl ether derivatives or salts thereofTOYAMA CHEMICAL CO LTD·Filed 2002·Granted Aug 8, 2006·18 cites·11 claims
- 1985US4851535ANicotinic acid derivativesTOYAMA CHEMICAL CO LTD·Filed 1987·Granted Jul 25, 1989·24 cites·8 claims
- 2084US5166204AIsoindole derivatives and salts thereof and antitumor agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1990·Granted Nov 24, 1992·41 cites·21 claims
- 2183US5280032A1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1992·Granted Jan 18, 1994·16 cites·29 claims
- 2282US7834053B2Medicinal compositions improving brain function and method for improving brain functionTOYAMA CHEMICAL CO LTD·Filed 2007·Granted Nov 16, 2010·5 cites·9 claims
- 2379US4713376ADementia-improving and therapeutic agentsTOYAMA CHEMICAL CO LTD·Filed 1986·Granted Dec 15, 1987·30 cites·5 claims
- 2479US4713387AVasodilating and platelet aggregation inhibiting 1,4 dihydropyridines with an imidazolyl or pyridyl containing esterTOYAMA CHEMICAL CO LTD·Filed 1985·Granted Dec 15, 1987·16 cites·36 claims
- 2578US7342043B2Medicinal compositions improving brain function and method for improving brain functionTOYAMA CHEMICAL CO LTD·Filed 2003·Granted Mar 11, 2008·11 cites·8 claims
- 2678US4263292A7α-methoxycephalosporins and pharmaceutical composition comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Apr 21, 1981·10 cites·16 claims
- 2777US5922755AImmunomodulator, cell adhesion inhibtor, and agent for treating, and preventing autoimmune diseasesTOYAMA CHEMICAL CO LTD·Filed 1994·Granted Jul 13, 1999·34 cites·35 claims
- 2877US5658904A1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1995·Granted Aug 19, 1997·13 cites·10 claims
- 2976US8367831B2Heterocyclic compound or salt thereof and intermediate thereofTOYAMA CHEMICAL CO LTD·Filed 2012·Granted Feb 5, 2013·2 cites·6 claims
- 3076US8026232B2Benzothiophene oxide derivative and salt thereofTOYAMA CHEMICAL CO LTD·Filed 2009·Granted Sep 27, 2011·2 cites·12 claims
- 3176US7772285B2Benzophenone derivatives or salts thereofTOYAMA CHEMICAL CO LTD·Filed 2002·Granted Aug 10, 2010·11 cites·17 claims
- 3276US5719150A1,2-ethanediol derivative and salt thereof, process for producing the same, and cerebral function-improving agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1996·Granted Feb 17, 1998·10 cites·3 claims
- 3376US5472984A1,2-ethanediol derivative and salt thereof and cerebral function-improving agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1993·Granted Dec 5, 1995·10 cites·7 claims
- 3476US4312986AProcess for producing 7-(substituted)amino-3-substituted thiomethyl-Δ3 -cephem-4-carboxylic acidsTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Jan 26, 1982·9 cites·23 claims
- 3576US3981865ABis-type penicillins and process for producing the sameTOYAMA CHEMICAL CO LTD·Filed 1975·Granted Sep 21, 1976·9 cites·14 claims
- 3675US7897594B2Preventive/remedy for retinal nerve diseases containing alkyl ether derivatives or salts thereofTOYAMA CHEMICAL CO LTD·Filed 2009·Granted Mar 1, 2011·1 cites·2 claims
- 3775US6800629B2Pyrazine derivatives or salts thereof, pharmaceutical composition containing the same, and production intermediates thereofTOYAMA CHEMICAL CO LTD·Filed 2002·Granted Oct 5, 2004·10 cites·9 claims
- 3875US5612381A1,2-ethanediol derivative and salt thereof process for producing the same, and cerebral function-improving agent comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1995·Granted Mar 18, 1997·11 cites·11 claims
- 3973US6787544B2Nitrogen-containing heterocyclic carboxamide derivatives or salts thereof and antiviral agents comprising the sameTOYAMA CHEMICAL CO LTD·Filed 2001·Granted Sep 7, 2004·8 cites·18 claims
- 4072US4614819ANovel process for producing cephalosporinsTOYAMA CHEMICAL CO LTD·Filed 1984·Granted Sep 30, 1986·9 cites·8 claims
- 4171US10149911B2Pharmaceutical composition containing hydroxamic acid derivative or salt thereofTOYAMA CHEMICAL CO LTD·Filed 2015·Granted Dec 11, 2018·1 cites·16 claims
- 4271US7700623B2Arylamidine derivative, salt thereof, and antifungal containing theseTOYAMA CHEMICAL CO LTD·Filed 2005·Granted Apr 20, 2010·3 cites·3 claims
- 4371US4230719ANovel 2-[4-(3-methyl-2-thienyl)phenyl]propionic acid and pharmaceutically acceptable salt thereof and method for treating symptoms of inflammation and painTOYAMA CHEMICAL CO LTD·Filed 1979·Granted Oct 28, 1980·6 cites·7 claims
- 4470US4948796APiperazine derivative or its salt, process for producing the same and pharmaceutical composition comprising the same as active ingredientTOYAMA CHEMICAL CO LTD·Filed 1989·Granted Aug 14, 1990·20 cites·25 claims
- 4569US7951963B2Process for production of 1-(3-(2-(1-benzothiophen-5-yl)-ethoxy)propyl)azetidin-3-ol or salts thereofTOYAMA CHEMICAL CO LTD·Filed 2006·Granted May 31, 2011·1 cites·21 claims
- 4669US6797726B1N-alkoxyalkyl-N,N-dialkylamine derivatives or salts thereof, and remedies for nerve degeneration diseases containing the sameTOYAMA CHEMICAL CO LTD·Filed 2000·Granted Sep 28, 2004·6 cites·24 claims
- 4769US4385178AProcess for producing 7-(substituted)amino-3-substituted thiomethyl cephem carboxylic acidsTOYAMA CHEMICAL CO LTD·Filed 1981·Granted May 24, 1983·6 cites·6 claims
- 4868US9872914B2Solid pharmaceutical composition containing 1-(3-(2-(1-benzothiophen-5-yl)ethoxy)propyl)azetidin-3-ol or salt thereofTOYAMA CHEMICAL CO LTD·Filed 2013·Granted Jan 23, 2018·1 cites·16 claims
- 4968US8354426B2Naphthyridine derivative monohydrate and method for producing the sameTOYAMA CHEMICAL CO LTD·Filed 2008·Granted Jan 15, 2013·1 cites·3 claims
- 5068US4990508APyridone carboxylic acid derivatives and salts thereof, process for producing the same and antibacterial agents comprising the sameTOYAMA CHEMICAL CO LTD·Filed 1989·Granted Feb 5, 1991·18 cites·50 claims
Showing the top 50 of 136 patent records by PatentIndex Score.
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