Patents by Inventor Yoichi Itakura

Yoichi Itakura 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).

  • Fermented garlic composition
    Patent number: 6146638
    Abstract: The present invention relates to a composition prepared by fermenting enzymatically-deactivated garlic with Aspergillus and/or Monascus, to a process for preparing the same, and also to foods and drugs containing the same. The composition is free from any unpleasant odor and is useful as a prophylactic or therapeutic agent for diabetes, hepatic diseases, cancer, immunopathy, hyperlipemia, and the like.
    Type: Grant
    Filed: June 10, 1999
    Date of Patent: November 14, 2000
    Assignee: Wakunaga Pharmaceutical Co., Ltd.
    Inventors: Masanori Kakimoto, Ayumi Suzuki, Isao Nishimoto, Sumihiro Shiraishi, Yoichi Itakura
  • Polysulfides compounds and lipid peroxidation inhibitor containing the polysulfide compounds as active ingredient
    Patent number: 5231114
    Abstract: A lipid peroxidation inhibitor contains a polysulfide compound represented by formula (I) as an active ingredient:R.sup.1 --(S).sub.m --R.sup.2 (I)wherein R.sup.1 and R.sup.2 are same or different hydrocarbon chains having 1 to 16 carbon atoms and m is an integer of 3 to 10. Among compounds (I) are found novel which are:R.sup.3 --(S).sub.n --R.sup.4 (II)wherein R.sup.3 and R.sup.4 are same or different lower alkenyl groups and n is an integer of 6 to 10. Pharmaceutical compositions which contain a polysulfide compound represented by formula (I) as an active ingredient, for preventing and curing diseases of thrombosis, arteiosclerosis, liver troubles, pulmonary edema, skin troubles, eye troubles and aging are also disclosed.
    Type: Grant
    Filed: April 13, 1992
    Date of Patent: July 27, 1993
    Assignee: Wakunaga Seiyaku Kabushiki Kaisha
    Inventors: Shoji Awazu, Toshiharu Horie, Yukihiro Kodera, Shinji Nagae, Hiromichi Matsuura, Yoichi Itakura
  • Polysulfides compounds and lipid peroxidation inhibitor containing the polysulfide compounds as active ingredient
    Patent number: 5149879
    Abstract: A lipid peroxidation inhibitor contains a polysulfide compound represented by formula (I) as an active ingredient:R.sup.1 --(S).sub.m --R.sup.2 (I)wherein R.sup.1 and R.sup.2 are same or different hydrocarbon chains having 1 to 16 carbon atoms and m is an integer of 3 to 10. Among compounds (I) are found novel which are:R.sup.3 --(S).sub.n --R.sup.4 (II)wherein R.sup.3 and R.sup.4 are same or different lower alkenyl groups and n is an integer of 6 to 10. Pharmaceutical compositions which contain a polysulfide compound represented by formula (I) as an active ingredient, for preventing and curing diseases of thrombosis, arteiosclerosis, liver troubles, pulmonary edema, skin troubles, eye troubles and aging are also disclosed.
    Type: Grant
    Filed: June 21, 1991
    Date of Patent: September 22, 1992
    Assignee: Wakunaga Seiyaku Kabushiki Kaisha
    Inventors: Shoji Awazu, Toshiharu Horie, Yukihiro Kodera, Shinji Nagae, Hiromichi Matsuura, Yoichi Itakura
  • Novel heterocyclic compound, carcinostatic agent, and carcinoma controlling method
    Patent number: 5093505
    Abstract: Heterocyclic compounds of the general formula: ##STR1## wherein R.sup.11 is a hydroxyl group or a lower alkoxy group, R.sup.12 is a lower alkoxy group, R.sup.13 is a saturated or unsaturated hydrocarbon group, X is an oxygen atom or a sulfur atom, and Y is an oxygen atom or --NH-- which may have a lower alkyl substituent, or salts thereof are novel and effective in controlling carcinoma.
    Type: Grant
    Filed: May 25, 1990
    Date of Patent: March 3, 1992
    Assignee: Wakunaga Seiyaku Kabushiki Kaisha
    Inventors: Hoyoku Nishino, Yukihiro Kodera, Toshihiko Sumida, Susumu Yoshida, Hiromichi Matsuura, Yoichi Itakura
  • Process for producing magnesium alloys
    Patent number: 4347077
    Abstract: Process for producing a magnesium alloy which comprises:reducing magnesium oxide with a carbonaceous substance at high temperatures;rapidly cooling the resultant reaction product in an inert atmosphere to obtain powder magnesium;mixing the reaction product with a powder metal to be alloyed therewith during or after the rapid cooling; andsubjecting the mixture to heat treatment.
    Type: Grant
    Filed: November 12, 1980
    Date of Patent: August 31, 1982
    Assignee: Toyo Soda Manufacturing Co., Ltd.
    Inventors: Takeshi Goto, Noboru Kawakami, Itsuo Hirano, Yoichi Itakura, Yuji Kawahara
  • Apparatus for preparing metallic magnesium
    Patent number: 4139181
    Abstract: Metallic magnesium is prepared by reducing magnesium oxide with carbon and condensing metallic magnesium by ejecting a coolant gas from a nozzle having small hole to an outlet opening for discharging the mixed gas of the coolant gas, carbon monoxide and metallic magnesium, which is disposed at the corresponding position to the nozzle.
    Type: Grant
    Filed: August 26, 1977
    Date of Patent: February 13, 1979
    Assignee: Toyo Soda Manufacturing Co., Ltd.
    Inventors: Noboru Kawakami, Takeji Goto, Itsuo Hirano, Yoichi Itakura
  • Additive for use in refining iron
    Patent number: 4137072
    Abstract: Disclosed is an additive in a molded form for use in refining iron. The additive comprises a mixture of at least one metal selected from magnesium, calcium and aluminum, and at least one metal oxide selected from magnesium oxide, calcium oxide and aluminum oxide.
    Type: Grant
    Filed: November 25, 1977
    Date of Patent: January 30, 1979
    Assignee: Toyo Soda Manufacturing Co., Ltd.
    Inventors: Noboru Kawakami, Takeshi Goto, Itsuo Hirano, Yoichi Itakura