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).

  • Patent number: 6344462
    Abstract: 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: Grant
    Filed: June 27, 2000
    Date of Patent: February 5, 2002
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Hiroshi Kayakiri, Yoshito Abe, Yuki Sawada, Tsuyoshi Mizutani
  • Patent number: 6333324
    Abstract: 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: Grant
    Filed: July 26, 1999
    Date of Patent: December 25, 2001
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Masahiro Neya, Hitoshi Yamazaki, Natsuko Kayakiri, Kentaro Sato, Teruo Oku
  • Patent number: 6316482
    Abstract: 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: Grant
    Filed: July 11, 2000
    Date of Patent: November 13, 2001
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Hiroyuki Setoi, Takehiko Ohkawa, Tatsuya Zenkoh, Hitoshi Sawada, Yuki Sawada, Teruo Oku
  • Patent number: 6207693
    Abstract: 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: Grant
    Filed: June 2, 1999
    Date of Patent: March 27, 2001
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Hiroyuki Setoi, Takehiko Ohkawa, Tatsuya Zenkoh, Hitoshi Sawada, Yuki Sawada, Teruo Oku
  • Patent number: 6194396
    Abstract: 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: Grant
    Filed: October 22, 1999
    Date of Patent: February 27, 2001
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
  • Patent number: 6169095
    Abstract: 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: Grant
    Filed: January 12, 1999
    Date of Patent: January 2, 2001
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
  • Patent number: 6166219
    Abstract: 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: Grant
    Filed: November 2, 1998
    Date of Patent: December 26, 2000
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Noritsugu Yamasaki, Takafumi Imoto, Yoshiyuki Murai, Takahiro Hiramura, Teruo Oku, Kouzou Sawada
  • Patent number: 6127389
    Abstract: 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: Grant
    Filed: October 21, 1999
    Date of Patent: October 3, 2000
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Hiroshi Kayakiri, Yoshito Abe, Yuki Sawada, Tsuyoshi Mizutani
  • Patent number: 6100284
    Abstract: 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: Grant
    Filed: October 15, 1999
    Date of Patent: August 8, 2000
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Hiroshi Kayakiri, Yoshito Abe, Yuki Sawada, Tsuyoshi Mizutani
  • Patent number: 6083961
    Abstract: 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: Grant
    Filed: February 3, 1997
    Date of Patent: July 4, 2000
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
  • Patent number: 6083959
    Abstract: 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: Grant
    Filed: October 26, 1998
    Date of Patent: July 4, 2000
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
  • Patent number: 6069156
    Abstract: 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: Grant
    Filed: December 10, 1997
    Date of Patent: May 30, 2000
    Assignee: 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
  • Patent number: 6015818
    Abstract: 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: Grant
    Filed: August 3, 1998
    Date of Patent: January 18, 2000
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Hiroshi Kayakiri, Yoshito Abe, Yuki Sawada, Tsuyoshi Mizutani
  • Patent number: 6008230
    Abstract: 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: Grant
    Filed: April 14, 1998
    Date of Patent: December 28, 1999
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Yoshio Kawai, Shigeki Satoh, Hitoshi Yamazaki, Natsuko Kayakiri, Yasuharu Urano, Kousei Yoshihara, Noriko Yoshida
  • Patent number: 6008229
    Abstract: 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: Grant
    Filed: March 13, 1998
    Date of Patent: December 28, 1999
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Hiroshi Kayakiri, Yoshito Abe, Yuki Sawada, Tsuyoshi Mizutani
  • Patent number: 5994368
    Abstract: 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: Grant
    Filed: April 25, 1997
    Date of Patent: November 30, 1999
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
  • Patent number: 5932737
    Abstract: New peptide compounds of the formula:1.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: August 3, 1999
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Yoshikuni Itoh, Toshiro Iwamoto, Takumi Yatabe, Hitoshi Hamashima, Takayuki Inoue, Seiji Hashimoto, Teruo Oku
  • Patent number: 5922711
    Abstract: 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: Grant
    Filed: September 19, 1997
    Date of Patent: July 13, 1999
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Hiroshi Kayakiri, Shigeki Satoh, Yoshito Abe, Yuki Sawada, Takayuki Inoue, Hirokazu Tanaka
  • Patent number: 5858995
    Abstract: 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: Grant
    Filed: October 25, 1996
    Date of Patent: January 12, 1999
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Yoshio Kawai, Hitoshi Yamazaki, Natsuko Kayakiri, Kousei Yoshihara, Takumi Yatabe, Teruo Oku
  • Patent number: 5789405
    Abstract: An oxaspiro ?2,5!octane derivative of the formula: ##STR1## useful in inhibiting angiogenesis in solid tumors.
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: August 4, 1998
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Teruo Oku, Chiyoshi Kasahara, Takehiko Ohkawa, Masashi Hashimoto