Patents by Inventor Teruo Oku
Teruo Oku has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 6344462Abstract: This invention relates to a compound of the formula: wherein A1 is lower alkylene, R1 is substituted quinolyl, etc., R2 is hydrogen, halogen or lower alkyl, R3 is halogen or lower alkyl, and R4 is a group of the formula: —Q—A2—R5, etc., in which R5 is amino, acylamino, etc., A2 is lower alkylene or a single bond, and Q is a group of the formula: and pharmaceutically acceptable salts thereof, to processes for preparation thereof, to a pharmaceutical composition comprising the same, and to methods of using the same therapeutically in the prevention and/or the treatment of bradykinin or its analogues mediated diseases in human being or animals.Type: GrantFiled: June 27, 2000Date of Patent: February 5, 2002Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Hiroshi Kayakiri, Yoshito Abe, Yuki Sawada, Tsuyoshi Mizutani
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Patent number: 6333324Abstract: A compound of formula (I) wherein A is a sulfonyl or a carbonyl; R1 is an optionally substituted aryl, an optionally substituted heterocyclic group, an optionally substituted lower alkyl or an optionally substituted lower alkenyl; R2 is a hydrogen, an optionally substituted lower alkyl, an optionally substituted aryl or an optionally substituted heterocyclic group; R3 is an optionally substituted lower alkyl, an optionally substituted lower alkoxy, an optionally substituted aryloxy, an optionally substitued lower alkenyl, an optionally substituted aryl, an optionally substituted heterocyclic group or an optionally substitued amino; R4 is a hydrogen, an optionally substituted lower alkyl, an optionally substituted aryl or an optionally substituted heterocyclic group; R5 is a hydrogen, an optionally substituted lower alkyl, an optionally substituted aryl or an optionally substituted heterocyclic group; and R10 is a hydroxy or a protected hydroxy, and a pharmaceutically acceptable salt thereof.Type: GrantFiled: July 26, 1999Date of Patent: December 25, 2001Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Masahiro Neya, Hitoshi Yamazaki, Natsuko Kayakiri, Kentaro Sato, Teruo Oku
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Patent number: 6316482Abstract: This invention relates to new benzamide derivatives having a vasopressin antagonistic activity, etc. and represented by general formula (I): wherein R1 is aryl optionally substituted with lower alkoxy, etc., R2 is lower alkyl, etc., R3 is hydrogen, etc., A is NH, etc., E is etc., X is —CH═CH—, —CH═N—, or S, and Y is a condensed heterocyclic group, etc., and pharmaceutically acceptable salts thereof, to processes for preparation thereof and to a pharmaceutical composition comprising the same.Type: GrantFiled: July 11, 2000Date of Patent: November 13, 2001Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Hiroyuki Setoi, Takehiko Ohkawa, Tatsuya Zenkoh, Hitoshi Sawada, Yuki Sawada, Teruo Oku
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Patent number: 6207693Abstract: This invention relates to new benzamide derivatives having a vasopressin antagonistic activity, etc. and represented by general formula (I): wherein R1 is aryl optionally substituted with lower alkoxy, etc., R2 is lower alkyl, etc., R3 is hydrogen, etc., A is NH, etc., E is etc., X is —CH═CH—, —CH═N—, or S, and Y is a condensed heterocyclic group, etc., and pharmaceutically acceptable salts thereof, to processes for preparation thereof and to a pharmaceutical composition comprising the same.Type: GrantFiled: June 2, 1999Date of Patent: March 27, 2001Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Hiroyuki Setoi, Takehiko Ohkawa, Tatsuya Zenkoh, Hitoshi Sawada, Yuki Sawada, Teruo Oku
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Patent number: 6194396Abstract: This invention relates to a heterocyclic compound of the formula wherein a group of the formula: is a group of the formula X is O, S or N-R5, R1 is lower alkyl, etc., R5 is hydrogen, lower alkyl, etc., R2 is hydrogen, halogen, lower alkyl, etc., R3 is halogen, lower alkyl, etc., R4 is amino optionally having suitable substituent(s), and A is lower alkylene, and a salt thereof, to processes for preparation thereof, and to a pharmaceutical composition comprising the same for the prevention and/or the treatment of bradykinin or its analogues mediated diseases in human being or animals.Type: GrantFiled: October 22, 1999Date of Patent: February 27, 2001Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
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Patent number: 6169095Abstract: The invention relates to a pharmaceutical composition for ophthalmic administration comprising a compound of the formula: wherein X1, X2, X3, R1, R2, R3, R4, R5, Q and A are as defined in the disclosure. This invention also relates to methods of using the pharmaceutical composition in the prevention and/or treatment of bradykinin or its analogues mediated diseases in the eye, such as allergy, inflammation and pain of the eye.Type: GrantFiled: January 12, 1999Date of Patent: January 2, 2001Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
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Patent number: 6166219Abstract: Novel benzimidazole derivatives represented by the formula (I): ##STR1## wherein R.sub.3 is a carboxyl group, a esterified carboxyl group, an amidated carboxyl group, an amino group, an amido group, or a sulfonyl group, or their pharmaceutically acceptable salts. Because of their blood sugar-depressing effect or PDE5 inhibitory effect, these compounds or salts thereof are useful as medicines for treating impaired glucose tolerance, diabetes, diabetic complications, syndrome of insulin resistance, hyperlipidemia, atherosclerosis, cardiovascular disorders, hyperglycemia, or hypertension; or stenocardia, hypertension, pulmonary hypertension, congestive heart failure, glomerulopathy, tubulointerstitial disorders, renal failure, atherosclerosis, angiostenosis, distal angiopathy, cerebral apoplexy, chronic reversible obstructions, allergic rhinitis, urticaria, glaucoma, diseases characterized by enteromotility disorders, impotence, diabetic complications, nephritis, cancerous cachexia, or restenosis after PTCA.Type: GrantFiled: November 2, 1998Date of Patent: December 26, 2000Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Noritsugu Yamasaki, Takafumi Imoto, Yoshiyuki Murai, Takahiro Hiramura, Teruo Oku, Kouzou Sawada
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Patent number: 6127389Abstract: This invention relates to compounds of formula: ##STR1## wherein R.sup.6, R.sup.7, R.sup.2, R.sup.2, R.sup.3 and A.sup.1 are as defined in the disclosure; and pharmaceutically acceptable salts thereof, to processes for preparation thereof, to a pharmaceutical composition comprising the same, and to methods of using the same therapeutically in the prevention and/or the treatment of hypertension or the like.Type: GrantFiled: October 21, 1999Date of Patent: October 3, 2000Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Hiroshi Kayakiri, Yoshito Abe, Yuki Sawada, Tsuyoshi Mizutani
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Patent number: 6100284Abstract: This invention relates to a compound of the formula: ##STR1## wherein A.sup.1 is lower alkylene,R.sup.1 is substituted quinolyl, etc.,R.sup.2 is hydrogen, halogen or lower alkyl,R.sup.3 is halogen or lower alkyl, andR.sup.4 is a group of the formula:--Q--A.sup.2 --R.sup.5, etc.,in whichR.sup.5 is amino, acylamino, etc.,A.sup.2 is lower alkylene or a single bond, andQ is a group of the formula: ##STR2## etc., and pharmaceutically acceptable salts thereof, to processes for preparation thereof, to a pharmaceutical composition comprising the same, and to methods of using the same therapeutically in the prevention and/or the treatment of bradykinin or its analogues mediated diseases in human being or animals.Type: GrantFiled: October 15, 1999Date of Patent: August 8, 2000Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Hiroshi Kayakiri, Yoshito Abe, Yuki Sawada, Tsuyoshi Mizutani
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Patent number: 6083961Abstract: This invention relates to a heterocyclic compound of the formula: ##STR1## wherein a group of the formula: ##STR2## is a group of the formula: ##STR3## etc., X is O, S or N--R.sup.5,R.sup.1 is lower alkyl, etc.,R.sup.5 is hydrogen, lower alkyl, etc.,R.sup.2 is hydrogen, halogen, lower alkyl, etc.,R.sup.3 is halogen, lower alkyl, etc.,R.sup.4 is amino optionally having suitable substituent(s), andA is lower alkylene,and a salt thereof, to processes for preparation thereof, and to a pharmaceutical composition comprising the same for the prevention and/or the treatment of bradykinin or its analogues mediated diseases in human being or animals.Type: GrantFiled: February 3, 1997Date of Patent: July 4, 2000Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
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Patent number: 6083959Abstract: A compound of the formula: ##STR1## wherein R.sup.1 is lower alkyl,R.sup.2 is hydrogen, lower alkyl or a heterocyclic group,R.sup.3 is hydrogen, lower alkyl or halogen,R.sup.4 is lower alkyl or halogen,R.sup.5 is nitro or amino substituted with substituent(s) selected from the group consisting of lower alkyl and acyl, andA is lower alkylene.Type: GrantFiled: October 26, 1998Date of Patent: July 4, 2000Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
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Patent number: 6069156Abstract: Compounds of the formula (I): ##STR1## and their pharmaceutically acceptable compositions are useful in inhibiting the activity of cyclic guanosine 3',5'-monophosphate phosphodiesterase.Type: GrantFiled: December 10, 1997Date of Patent: May 30, 2000Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Kozo Sawada, Akio Kuroda, Kazuhiko Ohne, Atsushi Nomoto, Naomi Hosogai, Yoshimitsu Nakajima, Akira Nagashima, Keizo Sogabe, Kouichi Tamura, Masakazu Kobayashi
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Patent number: 6015818Abstract: This invention relates to a compound of formula (1) wherein R.sup.1 is halogen, etc., R.sup.2 is halogen, etc., R.sup.3 is amino substituted with substituent(s) selected from the group consisting of lower alkyl and acyl, etc., R.sup.4 is heterocyclic (lower)alkyl, R.sup.5 is lower alkyl, and A.sup.1 is lower alkylene, and pharmaceutically acceptable salts thereof, to processes for preparation thereof, to a pharmaceutical composition comprising the same, and to methods of using the same therapeutically in the prevention and/or the treatment of hypertension or the like.Type: GrantFiled: August 3, 1998Date of Patent: January 18, 2000Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Hiroshi Kayakiri, Yoshito Abe, Yuki Sawada, Tsuyoshi Mizutani
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Patent number: 6008230Abstract: This invention relates to a quinoline compound of the formula: ##STR1## wherein R.sup.1 is a pyridyl group or aryl, each of which may be substituted with suitable substituent(s),A is --COHN-- or --NHCO--,n is an integer of 0 or 1, and ##STR2## is a group of the formula: ##STR3## In which R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6 and R.sup.7 are as defined,and pharmaceutically acceptable salt thereof, to processes for preparation thereof, to a pharmaceutical composition comprising the same, and to a method for the prevention and/or the treatment of bone diseases caused by abnormal bone metabolism in human being or animals.Type: GrantFiled: April 14, 1998Date of Patent: December 28, 1999Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Yoshio Kawai, Shigeki Satoh, Hitoshi Yamazaki, Natsuko Kayakiri, Yasuharu Urano, Kousei Yoshihara, Noriko Yoshida
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Patent number: 6008229Abstract: This invention relates to a compound of formula (I) wherein A.sup.1 is lower alkylene, R.sup.1 is substituted quinolyl, etc., R.sup.2 is hydrogen, halogen or lower alkyl, R.sup.3 is halogen or lower alkyl, and R.sup.4 is a group of the formula: -Q-A.sup.2 -R.sup.5, etc., in which R.sup.5 is amino, acylamino, etc., A.sup.2 is lower alkylene or a single bond, and Q is a group of formula (a), and pharmaceutically acceptable salts thereof, to processes for preparation thereof, to a pharmaceutical composition comprising the same, and to methods of using the same therapeutically in the prevention and/or the treatment of bradykinin or its analogues mediated diseases in human being or animals.Type: GrantFiled: March 13, 1998Date of Patent: December 28, 1999Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Hiroshi Kayakiri, Yoshito Abe, Yuki Sawada, Tsuyoshi Mizutani
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Patent number: 5994368Abstract: This invention relates to a compound of the formula: ##STR1## wherein Z is a group of the formula: ##STR2## in which X.sup.1 is N or C--R.sup.1,X.sup.2 is N or C--R.sup.9,X.sup.3 is N or C--R.sup.2,R.sup.1 is lower alkyl,R.sup.2 is hydrogen, lower alkyl, etc.,R.sup.9 is hydrogen or lower alkyl,R.sup.3 is halogen, etc.,R.sup.4 is halogen, etc.,R.sup.5 is a group of the formula: ##STR3## A is lower alkylene, and Y is O, etc.,and pharmaceutically acceptable salts thereof, to processes for preparation thereof, to a pharmaceutical composition comprising the same, and to methods to using the same therapeutically in the prevention and/or the treatment of bradykinin or its analogues mediated diseases in human being or animals.Type: GrantFiled: April 25, 1997Date of Patent: November 30, 1999Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
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Patent number: 5932737Abstract: New peptide compounds of the formula:1.Type: GrantFiled: May 30, 1997Date of Patent: August 3, 1999Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Yoshikuni Itoh, Toshiro Iwamoto, Takumi Yatabe, Hitoshi Hamashima, Takayuki Inoue, Seiji Hashimoto, Teruo Oku
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Patent number: 5922711Abstract: A compound of the formula: ##STR1## wherein --X.sup.3 .dbd.X.sup.2 --X.sup.1 .dbd.N-- is a group of the formula: ##STR2## R.sup.1 is hydrogen or halogen, R.sup.2 is halogen,R.sup.3 is hydrogen, nitro, amino optionally having at least one substituent or a heterocyclic group optionally having at least one substituent,R.sup.4 and R.sup.5 are each hydrogen, or halogen,R.sup.6 and R.sup.8 are each hydrogen, halogen, lower alkyl, hydroxy, lower alkylthio, amino optionally substituted with lower alkyl, or lower alkoxy optionally substituted with a substituent selected from the group consisting of hydroxy, lower alkoxy, amino, lower alkylamino and aryl optionally substituted with lower alkoxy,R.sup.7 is hydrogen or lower alkyl,A is lower alkylene, andQ is O or N--R.sup.9 is hydrogen or acyl,provided that R.sup.3 is not hydrogen when X.sup.1 is C--R.sup.6, in which R.sup.6 is hydrogen, andpharmaceutically acceptable salts thereof.Type: GrantFiled: September 19, 1997Date of Patent: July 13, 1999Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
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Patent number: 5858995Abstract: This invention relates to a novel heterocyclic compound represented by formula (I), wherein each symbol is as defined in the specification and a pharmaceutically acceptable salt thereof which are the inhibitors of bone resorption and bone metabolism, to processes for preparation thereof, to a pharmaceutical composition comprising the same and to a method for the treatment of diseases caused by abnormal bone metabolism in human being or an animal.Type: GrantFiled: October 25, 1996Date of Patent: January 12, 1999Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Yoshio Kawai, Hitoshi Yamazaki, Natsuko Kayakiri, Kousei Yoshihara, Takumi Yatabe, Teruo Oku
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Patent number: 5789405Abstract: An oxaspiro ?2,5!octane derivative of the formula: ##STR1## useful in inhibiting angiogenesis in solid tumors.Type: GrantFiled: June 5, 1991Date of Patent: August 4, 1998Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Teruo Oku, Chiyoshi Kasahara, Takehiko Ohkawa, Masashi Hashimoto