Patents by Inventor Minoru Tokizawa

Minoru Tokizawa 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: 6737434
    Abstract: Imidazole derivatives of the formula (1) or salts thereof, pharmaceuticals containing the derivatives or the salts, and intermediates for the synthesis of the derivatives or the salts (wherein R1 is lower alkyl; R2 is alkyl or aralkyl; and X1 is halogeno). These compounds exhibit G-CSF-like activities and can be substituted for G-CSF preparations.
    Type: Grant
    Filed: March 19, 2003
    Date of Patent: May 18, 2004
    Assignee: SSP Co., Ltd.
    Inventors: Minoru Tokizawa, Sunao Takeda, Yasushi Kaneko, Koji Kusano, Hiromichi Eto, Koichi Tachibana, Susumu Sato, Tadayoshi Taniyama
  • Publication number: 20030176482
    Abstract: Imidazole derivatives of the formula (1) or salts thereof, pharmaceuticals containing the derivatives or the salts, and intermediates for the synthesis of the derivatives or the salts (wherein R1 is lower alkyl; R2 is alkyl or aralkyl; and X1 is halogeno). These compounds exhibit G-CSF-like activities and can be substituted for G-CSF preparations.
    Type: Application
    Filed: March 19, 2003
    Publication date: September 18, 2003
    Inventors: Minoru Tokizawa, Sunao Takeda, Yasushi Kaneko, Koji Kusano, Hiromichi Eto, Koichi Tachinaba, Susumu Sato, Tadayoshi Taniyama
  • Patent number: 6528500
    Abstract: Described is an azole derivative represented by the following formula (1): wherein, R1 represents a substituted phenyl group, R2 and R3 each represents a fluorine atom, an alkyl group or the like, and R4 represents an alkyl group, or salt thereof; and a medicament comprising the derivative or salt as an effective ingredient. The compound according to the present invention exhibits excellent antimycotic action and has good aqueous solubility.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: March 4, 2003
    Assignee: SSP Co., Ltd.
    Inventors: Minoru Tokizawa, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato
  • Patent number: 6204415
    Abstract: Described is a triazole derivative represented by the formula (1): wherein R1 represents a hydrogen atom, a lower alkyl group or an aralkyl group, X1 and X2 are the same or different and each independently represents a hydrogen atom, a halogen atom or a halogenoalkyl and n stands for an integer of 0 to 2, or salt thereof; a preparation process of said compound and a pharmaceutical comprising said compound as an effective ingredient. The compound as described above has high antimycotic activity and is useful for the prevention and treatment of mammalian mycotic infections.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: March 20, 2001
    Assignee: SSP Co., Ltd.
    Inventors: Sunao Takeda, Yasushi Kaneko, Minoru Tokizawa, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato
  • Patent number: 6194592
    Abstract: Described is a triazole derivative represented by the formula (1): wherein R1 represents a hydrogen atom, a lower alkyl group or an aralkyl group, X1 and X2 are the same or different and each independently represents a hydrogen atom, a halogen atom or a halogenoalkyl and n stands for an integer of 0 to 2, or salt thereof; a preparation process of said compound and a pharmaceutical comprising said compound as an effective ingredient. The compound as described above has high antimycotic activity and is useful for the prevention and treatment of mammalian mycotic infections.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: February 27, 2001
    Assignee: SSP Co., Ltd.
    Inventors: Sunao Takeda, Yasushi Kaneko, Minoru Tokizawa, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato
  • Patent number: 6184396
    Abstract: Described is a triazole derivative represented by the formula (1): wherein R1 represents a hydrogen atom, a lower alkyl group or an aralkyl group, X1 and X2 are the same or different and each independently represents a hydrogen atom, a halogen atom or a halogenoalkyl and n stands for an integer of 0 to 2, or salt thereof; a preparation process of said compound and a pharmaceutical comprising said compound as an effective ingredient. The compound as described above has high antimycotic activity and is useful for the prevention and treatment of mammalian mycotic infections.
    Type: Grant
    Filed: April 18, 2000
    Date of Patent: February 6, 2001
    Assignee: SSP Co., Ltd.
    Inventors: Sunao Takeda, Yasushi Kaneko, Minoru Tokizawa, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato
  • Patent number: 6172266
    Abstract: Described is a triazole derivative represented by the formula (1): wherein R1 represents a hydrogen atom, a lower alkyl group or an aralkyl group, X1 and X2 are the same or different and each independently represents a hydrogen atom, a halogen atom or a halogenoalkyl and n stands for an integer of 0 to 2, or salt thereof; a preparation process of said compound and a pharmaceutical comprising said compound as an effective ingredient. The compound as described above has high antimycotic activity and is useful for the prevention and treatment of mammalian mycotic infections.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: January 9, 2001
    Assignee: SSP Co., Ltd.
    Inventors: Sunao Takeda, Yasushi Kaneko, Minoru Tokizawa, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato
  • Patent number: 6083968
    Abstract: Described is a triazole derivative represented by the formula (1): ##STR1## wherein R.sup.1 represents a hydrogen atom, a lower alkyl group or an aralkyl group, X.sup.1 and X.sup.2 are the same or different and each independently represents a hydrogen atom, a halogen atom or a halogenoalkyl and n stands for an integer of 0 to 2, or salt thereof; a preparation process of said compound and a pharmaceutical comprising said compound as an effective ingredient.The compound as described above has high antimycotic activity and is useful for the prevention and treatment of mammalian mycotic infections.
    Type: Grant
    Filed: December 9, 1998
    Date of Patent: July 4, 2000
    Assignee: SSP Co., Ltd.
    Inventors: Sunao Takeda, Yasushi Kaneko, Minoru Tokizawa, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato
  • Patent number: 6063945
    Abstract: A compound having formula (2): ##STR1## wherein R represents hydrogen, a straight or branched C.sub.1-10 alkyl group, a C.sub.7-11 aralkyl group or a C.sub.2-10 carboacyl group and m stands for 1 to 5.
    Type: Grant
    Filed: June 8, 1999
    Date of Patent: May 16, 2000
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Minoru Tokizawa, Sunao Takeda, Yasushi Kaneko, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato, Hideaki Matsuda
  • Patent number: 6040325
    Abstract: Described is a triazole derivative represented by the formula (1): wherein R.sup.1 represents a hydrogen atom, a lower alkyl group or an aralkyl group, X.sup.1 and X.sup.2 are the same or different and each independently represents a hydrogen atom, a halogen atom or a halogenoalkyl and n stands for an integer of 0 to 2, or salt thereof; a preparation process of said compound and a pharmaceutical comprising said compound as an effective ingredient.The compound as described above has high antimycotic activity and is useful for the prevention and treatment of mammalian mycotic infections.
    Type: Grant
    Filed: January 22, 1999
    Date of Patent: March 21, 2000
    Assignee: SSP Co., Ltd.
    Inventors: Sunao Takeda, Yasushi Kaneko, Minoru Tokizawa, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato
  • Patent number: 6008239
    Abstract: Described is a triazole derivative represented by the formula (1): ##STR1## wherein R.sup.1 represents a lower alkyl group or an aralkyl group, R.sup.2 represents a hydrogen atom, a lower alkyl group, an aralkyl group or an acyl group, X.sup.1 and X.sup.2 are the same or different and each independently represents a hydrogen atom, a halogen atom or a trifluoromethyl group, n stands for an integer of 0 to 2 and m stands for an integer of 1 to 5, or salt thereof; and also a pharmaceutical comprising the derivative or salt thereof as an effective ingredient. The compound as described above has a high antimycotic activity and is useful for the prevention and treatment of mammalian mycotic infections.
    Type: Grant
    Filed: August 17, 1998
    Date of Patent: December 28, 1999
    Assignee: SSP Co., Ltd.
    Inventors: Yasushi Kaneko, Sunao Takeda, Minoru Tokizawa, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato
  • Patent number: 6002028
    Abstract: Described is a triazole derivative represented by the formula (1) or salt thereof, preparation process thereof, preparation intermediates represented by the formulas (2) and (3), and a pharmaceutical comprising the compound represented by the formula (1) or salt thereof. ##STR1## wherein n stands for 0, 1 or 2, X.sup.1 represents H or F and Y.sup.1 and Y.sup.2 each independently represents H, halogen or CF.sub.3.
    Type: Grant
    Filed: May 14, 1999
    Date of Patent: December 14, 1999
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Minoru Tokizawa, Sunao Takeda, Yasushi Kaneko, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato, Hideaki Matsuda
  • Patent number: 5986144
    Abstract: Described is a triazole derivative represented by the formula (1) or salt thereof, preparation process thereof, preparation intermediates represented by the formulas (2) and (3), and a pharmaceutical comprising the compound represented by the formula (1) or salt thereof. wherein n stands for 0, 1 or 2, X.sup.1 represents H or F and Y.sup.1 and Y.sup.2 each independently represents H, halogen or CF.sub.3.
    Type: Grant
    Filed: May 14, 1999
    Date of Patent: November 16, 1999
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Minoru Tokizawa, Sunao Takeda, Yasushi Kaneko, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato, Hideaki Matsuda
  • Patent number: 5945438
    Abstract: Described is a triazole derivative represented by the formula (1) or salt thereof, preparation process thereof, preparation intermediates represented by the formulas (2) and (3), and a pharmaceutical comprising the compound represented by the formula (1) or salt thereof. ##STR1## wherein n stands for 0, 1 or 2, X.sup.1 represents H or F and Y.sup.1 and Y.sup.2 each independently represents H, halogen or CF.sub.3.
    Type: Grant
    Filed: December 17, 1996
    Date of Patent: August 31, 1999
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Minoru Tokizawa, Sunao Takeda, Yasushi Kaneko, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato, Hideaki Matsuda
  • Patent number: 5939448
    Abstract: Described is a triazole derivative represented by the formula (1): wherein R represents a hydrogen atom, an alkyl group, an aralkyl group or an acyl group, n stands for 0 to 2 and m stands for 1 to 5 or salt thereof, and a pharmaceutical containing the derivative or salt as an effective ingredient.
    Type: Grant
    Filed: June 10, 1997
    Date of Patent: August 17, 1999
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Minoru Tokizawa, Sunao Takeda, Yasushi Kaneko, Hiromichi Eto, Kazuya Ishida, Kazunori Maebashi, Masaru Matsumoto, Takemitsu Asaoka, Susumu Sato, Hideaki Matsuda
  • Patent number: 5164513
    Abstract: Novel imidazole derivatives and their acid adducts are disclosed. The imidazole derivatives are represented by formula: ##STR1## wherein R.sub.1 represents an alkyl group, R.sub.2 represents a hydrogen atom, an alkyl group which may have a substituent, or an aralkyl group which may have a substituent, provided that R.sub.1 and R.sub.2 are not both methyl groups at the same time. They have strong antimicrobial activity, especially against those fungi belonging to the genera Candida, Trichophyton, Microsporum, and Epidermorphyton, as well as against Gram-positive bacteria, and thus is useful as a antimicrobial agent.
    Type: Grant
    Filed: August 20, 1991
    Date of Patent: November 17, 1992
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Minoru Tokizawa, Takemitsu Asaoka, Hideaki Matsuda, Tatsuhiko Kateri
  • Patent number: 5147886
    Abstract: A triazole derivative is disclosed. The compound have a general formula, ##STR1## wherein R.sup.1 and R.sup.2 represent a hydrogen atom or a lower alkyl group, or R.sup.1 and R.sup.2 together form a lower alkylene group, R.sup.3 represents a lower alkyl group, and n denotes an integer of 0 to 2, provided that not both R.sup.1 and R.sup.2 are a hydrogen atom at the same time. The triazole derivatives and their salts are effective for curing or preventing deep-seated mycoses, e.g. mycotic meningitis, mycotic infectious diseases of respiratory organs, fungemia, and urinary tract mycosis.
    Type: Grant
    Filed: December 12, 1990
    Date of Patent: September 15, 1992
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Minoru Tokizawa, Yoshihiko Kanamaru, Masaru Matsumoto, Takemitsu Asaoka, Hideaki Matsuda, Tadayuki Kuraishi, Kazunori Maebashi, Naokata Taido, Ryuichi Kawahara
  • Patent number: 5082948
    Abstract: Novel imidazole derivatives and their acid adducts are disclosed. The imidazole derivatives are represented by formula: ##STR1## wherein R.sub.1 represents an alkyl group, R.sub.2 represents a hydrogen atom, an alkyl group which may have a substituent, or an aralkyl group which may have a substituent, provided that R.sub.1 and R.sub.2 are not both methyl groups at the same time. They have strong antimicrobial activity, especially against those fungi belonging to the genera Candida, Trichophyton, Microsporum, and Epidermorphyton, as well as against Gram-positive bacteria, and thus is useful as an antimicrobial agent.
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: January 21, 1992
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Minoru Tokizawa, Takemitsu Asaoka, Hideaki Matsuda, Tatsuhiko Katori
  • Patent number: 4987144
    Abstract: Disclosed herein is 1,3-bis(1,2,4-triazol-1-yl)-2-(4-trifluoromethylphenyl)propan-2-ol represented by the following formula (I): ##STR1## An antimycotic preparation containing the triazole compound (I) is also disclosed. Also disclosed is a method for the prevention and/treatment of a deep-seated mycosis of a human or mammal, which comprises administering an effective dose of the triazole compound (I) to the human or mammal.
    Type: Grant
    Filed: September 25, 1989
    Date of Patent: January 22, 1991
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Yoshihiko Kanamaru, Minoru Tokizawa, Masaru Matsumoto, Takemitsu Asaoka, Hideaki Matsuda, Tadayuki Kuraishi
  • Patent number: 4925953
    Abstract: Novel imidazole derivatives and their acid adducts are disclosed. The imidazole derivatives are represented by formula: ##STR1## wherein R.sub.1 represents an alkyl group, R.sub.2 represents a hydrogen atom, an alkyl group which may have a substituent, or an aralkyl group which may have a substituent, provided that R.sub.1 and R.sub.2 are not both methyl groups at the same time. They have strong antimicrobial activity, especially against those fungi belonging to the genera Candida, Trichophyton, Microsporum, and Epidermorphyton, as well as against Gram-positive bacteria, and thus are useful as an antimicrobial agent.
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: May 15, 1990
    Assignee: SS Pharmaceutical Co., Ltd.
    Inventors: Minoru Tokizawa, Takemitsu Asaoka, Hideaki Matsuda, Tatsuhiko Katori