Patents by Inventor Ei Mochida

Ei Mochida 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: 4960566
    Abstract: A chemical reaction apparatus having a plurality of capillary tubes and a conveying device for holding the tubes substantially horizontal such as to convey the tubes. A feeding device for reagent and the like is mounted on the conveying device and feeds a reagent and the like for use in a chemical reaction to the interior of the capillary tubes. Thereafter the reagent and the like remains in a stable condition with these discharged into the entire length of each of the tubes.
    Type: Grant
    Filed: August 19, 1987
    Date of Patent: October 2, 1990
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventor: Ei Mochida
  • Patent number: 4956474
    Abstract: The present invention relates to novel cephalosporin derivatives, processes for preparing thereof, compositions for preventing and/or treating infectious diseases which comprise the novel cephalosporin derivatives as active components, and the intermediate compounds in the synthesis of cephalosporin derivatives and processes for producing thereof.The present invention is based on the selection of groups containing a condensed heterocyclic ring, particularly a triazolopyrimidine ring or a thiadiazolopyrimidine ring, as substituents at the 3-position of the cephem skeleton, and of groups containing a catechol moiety, particularly a catechol carboxymethyloxyimino moiety or a catechol carboxyimino moiety, as substituents at the 7-position of the cephem skeleton.The compounds of the present invention containing the aforementioned substituents have a strong antibacterial activity against Gram-negative bacteria and also against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus.
    Type: Grant
    Filed: June 20, 1989
    Date of Patent: September 11, 1990
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Haruo Ohnishi, Hiroshi Kosuzume, Masahiro Mizota, Yasuo Suzuki, Ei Mochida
  • Patent number: 4914099
    Abstract: The present invention relates to novel hydantoin derivatives, processes for producing said hydantoin derivatives, pharmaceutical compositions containing at least one of said hydantoin derivatives as aldose reductase inhibitors and novel intermediate compounds in the synthesis of said hydantoin derivatives.The present invention is based on the selection of a hydantoin which is bonded by a sulfonyl group to various substituents at the 1-position of the hydantoin skeleton.
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: April 3, 1990
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Ei Mochida, Kazuo Kato, Katsuaki Kato, Ichitomo Miwa, Jun Okuda
  • Patent number: 4904791
    Abstract: The present invention relates to novel cephalosporin derivatives, processes for preparing thereof, compositions for preventing and/or treating infectious diseases which comprise the novel cephalosporin derivatives as active components, and the intermediate compounds in the synthesis of cephalosporin derivatives and processes for producing thereof.The present invention is based on the selection of groups containing a condensed heterocyclic ring, particularly a triazolopyrimidine ring or a thiadiazolopyrimidine ring, as substituents at the 3-position of the cephem skeleton, and of groups containing a catechol moiety, particularly a catechol carboxymethyloxyimino moiety or a catechol carboxyimino moiety, as substituents at the 7-position of the cephem skeleton.The compounds of the present invention containing the aforementioned substituents have a strong antibacterial activity against Gram-negative bacteria and also against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus.
    Type: Grant
    Filed: March 28, 1988
    Date of Patent: February 27, 1990
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Haruo Ohnishi, Hiroshi Kosuzume, Masahiro Mizota, Yasuo Suzuki, Ei Mochida
  • Patent number: 4888332
    Abstract: The present invention relates to novel cephalosporin derivatives, processes for preparing thereof, compositions for preventing and/or treating infectious diseases which comprise the novel cephalosporin derivatives as active components, and the intermediate compounds in the synthesis of cephalosporin derivatives and processes for producing thereof.The novel cephalosporin derivatives according to the present invention contain condensed heterocyclic groups, particularly a triazolopyrimidine ring or a thiadiazolopyrimidine ring as substituents at the 3-position of the cephem skeleton, and a hydroxyimino, an alkyloxyimino or an acyloxyimino moiety as substituents at the 7-position of the cephem skeleton.The compounds of the present invention containing the aforementioned substituents have a strong antibacterial activity against gram-negative bacteria and also against gram-positive bacteria including methicillin-resistant Staphylococcus aureus.
    Type: Grant
    Filed: December 28, 1984
    Date of Patent: December 19, 1989
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Haruo Ohnishi, Hiroshi Kosuzume, Masahiro Mizota, Yasuo Suzuki, Ei Mochida
  • Patent number: 4880798
    Abstract: The present invention relates to novel cephalosporin derivatives, processes for preparing thereof, compositions for preventing and/or treating infectious diseases which comprise the novel cephalosporin derivatives as active components, and the intermediate compounds in the synthesis of cephalosporin derivatives and processes for producing thereof.The present invention is based on the selection of groups containing a condensed heterocyclic ring, particularly a triazolopyrimidine ring, as substitutents at the 3-position of the cephem skeleton, and of groups containing a carboxyl and hydroxy substituted phenylmethyloxyimino moiety, particularly a (carboxy substituted catechol)methyloxyimino moiety, as substituents at the 7-position of the cephem skeleton.The compounds of the present invention containing the aforementioned substituents have a strong antibacterial activity against Gram-negative bacteria and also against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus.
    Type: Grant
    Filed: November 20, 1987
    Date of Patent: November 14, 1989
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Kazuo Kato, Kimihiro Murakami, Hidenori Mochizuki, Ei Mochida
  • Patent number: 4866055
    Abstract: The present invention relates to novel cephalosporin derivatives and their crystalline form, processes for preparing thereof, compositions for treating and/or preventing infectious diseases which comprise the novel cephalosporin derivatives as active components, and the intermediate compounds in the synthesis of cephalosporin derivatives and processes for producing thereof.The present invention is based on the selection of a triazolopyrimidine ring as substituent at the 3-position of the cephem skeleton, and a 2-carboxy-4,5-dihydroxyphenylmethyloxyimino moiety as substituent at the 7-position of the cephem skeleton.The compounds of the present invention containing these substituents have a wide antibacterial spectrum against Gram-negative bacteria including Pseudomonas aeruginosa and Gram-positive bacteria including methicillin-resistant Staphylococcus aureus. These compounds are extremely useful for the treatment of infectious diseases.
    Type: Grant
    Filed: November 16, 1987
    Date of Patent: September 12, 1989
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Kazuo Kato, Kimihiro Murakami, Hidenori Mochizuki, Ei Mochida
  • Patent number: 4840945
    Abstract: The present invention relates to novel cephalosporin derivatives, processes for preparing thereof, compositions for preventing and/or treating infectious diseases which comprise the novel cephalosporin derivatives as active components, and the intermediate compounds in the synthesis of cephalosporin derivatives and processes for producing thereof.The present invention is based on the selection of groups containing a condensed heterocyclic ring, particularly a triazolopyrimidine ring or a thiadiazolopyrimidine ring, as substituents at the 3-position of the cephem skeleton, and of groups containing a catechol moiety, particularly a catechol carboxymethyloxyimino moiety or a catechol carboxyimino moiety, as substituents at the 7-position of the cephem skeleton.The compounds of the present invention containing the aforementioned substituents have a strong antibacterial activity against Gram-negative bacteria and also against Gram-positive bacteria including methicillin-resistant Staphylococcus aureus.
    Type: Grant
    Filed: March 10, 1986
    Date of Patent: June 20, 1989
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Haruo Ohnishi, Hiroshi Kosuzume, Masahiro Mizota, Yasuo Suzuki, Ei Mochida
  • Patent number: 4839368
    Abstract: The present invention relates to novel 1-acyl-2,3-dihydro-4(1H)-quinolinone-4-oxime derivatives, processes for producing said derivatives, intermediate compounds to produce said derivatives, processes to produce said intermediate compounds, and compositions containing said derivatives with potent diuretic activity that can be used for treating and/or preventing hypertension, oedema and/or for removing ascites.The present invention is based on the selection of 1-acyl-2,3-dihydro-4(1H)-quinolinone-4-oxime derivatives, namely O-sulfate, O-mesylate, O-methylphosphate and O-carboxymethyl ether, especially O-sulfate of 4-oxime.The compounds of the present invention containing these substituents have potent hypotensive, anti-oedematous and diuretic effect as well as an activity to remove ascites and are extremely useful for the treatment of diseases and disorders mentioned above.
    Type: Grant
    Filed: April 27, 1987
    Date of Patent: June 13, 1989
    Assignees: Mochida Pharmaceutical Co., Ltd., Hodogaya Chemical Co., Ltd.
    Inventors: Ei Mochida, Akio Uemura, Kazuo Kato, Hiroki Tokunaga, Akinori Haga
  • Patent number: 4797258
    Abstract: A chemical reaction apparatus is disclosed which comprises endless travelling belt(s) disposed to support in place a multiplicity of juxtaposed reaction containers having the axes thereof falling in a plane inclined from the horizontal plane and adapted to travel in a substantially horizontal direction perpendicular to the axes of the reaction containers; endless retaining belts disposed adjacent and not contiguously to the aforementioned travelling belts and provided with a multiplicity of teeth projecting up as at fixed regularly spaced intervals slightly greater than the diameters of the reaction containers so as to enable the reaction containers accommodated in the intervening spaces between the teeth to be held in fixed positions in an arrayed pattern; a base adapted to support in place the bottoms of the aforementioned reaction containers rotated about the axes thereof in an inclined state by the aforementioned travelling belts and the aforementioned retaining belts; and a drive mechanism for intermitte
    Type: Grant
    Filed: November 4, 1985
    Date of Patent: January 10, 1989
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventor: Ei Mochida
  • Patent number: 4690908
    Abstract: A method for the quantification of an antigen, antibody, or antigen-antibody complex in a sample solution involving measuring the results of an immunochemical agglutination reaction or an agglutination inhibition reaction by spectrophotometry, wherein after the initiation of the agglutination between the antigen, antibody, or antigen-antibody complex to be determined and sensitized carrier particles to which a substance specifically bindable to the said antigen, antibody, or antigen-antibody complex is bound, a fixing compound is added to fix aggregates formed by the agglutination. A measuring reagent kit or pack includes all the components for use in carrying out the above method.
    Type: Grant
    Filed: August 20, 1984
    Date of Patent: September 1, 1987
    Assignee: Mochida Seiyaku Kabushiki Kaisha
    Inventors: Ei Mochida, Hiroyuki Shinkai, Takashi Kudo, Toshiyuki Sugawara
  • Patent number: 4680261
    Abstract: A process for producing interferon comprises culturing interferon-producing mammalian cells in a cell culture medium containing at least one compound selected from the group consisting of ascorbic acid, an ascorbic acid derivative and a vanadium compound. According to the process of the present invention, interferon can be produced in large amounts.
    Type: Grant
    Filed: August 30, 1984
    Date of Patent: July 14, 1987
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Masahiro Nobuhara, Toshinori Kanamori, Kiyoshi Yamaguchi, Ei Mochida
  • Patent number: 4608253
    Abstract: The present invention relates to immobilized pepsin for use in removing immune complex which comprises pepsin fixed on a suitable carrier, and to a process for removing immune complex which comprises bringing blood or plasma from a patient suffering from an immune complex disease, such as rheumatoid arthritis and systemic erythematosus, into contact with the immobilized pepsin.
    Type: Grant
    Filed: November 15, 1983
    Date of Patent: August 26, 1986
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Haruo Ohnishi, Hiroshi Kosuzume, Yasuo Suzuki, Ei Mochida
  • Patent number: 4591504
    Abstract: This invention provides a human leucocyte pepsin-like enzyme and a therapeutic agent and method for treating allergic disorders, immune complex diseases and tumors, the agent containing the enzyme as an effective ingredient. The human leucocyte pepsin-like enzyme of this invention is a protein of human origin and, therefore, a therapeutic agent containing said enzyme as an effective ingredient shows extremely little adverse reactions such as anaphylaxis and thus is highly safe.
    Type: Grant
    Filed: May 26, 1983
    Date of Patent: May 27, 1986
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Haruo Ohnishi, Hiroshi Kosuzume, Yasuo Suzuki, Ei Mochida
  • Patent number: 4548900
    Abstract: A method for the mass production of interferon, wherein cultured cells are brought into contact with at least one polyhydric alcohol, thereby achieving a remarkable increase in the production of interferon from the cultured cells.
    Type: Grant
    Filed: May 20, 1983
    Date of Patent: October 22, 1985
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Masahiro Nobuhara, Kiyoshi Yamaguchi, Ei Mochida
  • Patent number: 4540569
    Abstract: Therapeutic agent for the treatment of allergic disorders, immune complex diseases and tumors, which contains a human urinary acid protease as an active ingredient, and a method for treating allergic disorders, immune complex diseases and tumors by administering the said acid protease, which has never been used as a therapeutic agent for allergic disorders, immune complex diseases and tumors. Since the acid protease is a protein of human origin, the probability of adverse reactions such as anaphylactic shock due to the antigenicity of the acid protease is believed to be extremely small.
    Type: Grant
    Filed: April 5, 1982
    Date of Patent: September 10, 1985
    Assignee: Mochida Seiyaku Kabushiki Kaisha
    Inventors: Haruo Ohnishi, Hiroshi Kosuzume, Yasuo Suzuki, Ei Mochida
  • Patent number: 4534966
    Abstract: There are provided a pharmaceutical composition having an effect to control phagocytic function, which comprises a pharmaceutically effective amount of human pepsin and/or a human leukocyte pepsin-like enzyme and a pharmaceutically acceptable carrier, and a therapeutic method using said composition. The pharmaceutical composition is useful for treatment of infectious diseases, gout and arteriosclerosis.
    Type: Grant
    Filed: November 17, 1983
    Date of Patent: August 13, 1985
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Haruo Ohnishi, Hiroshi Kosuzume, Yasuo Suzuki, Ei Mochida
  • Patent number: 4482636
    Abstract: A method of reacting a first reactive substance bonded to the inner wall surface of a reaction vessel and a second reactive substance in a liquid phase in the vessel by rotating the reaction vessel about its axis at a speed of 10 to 100 rpm, while said reaction vessel is kept inclined at an angle between 5.degree. and 45.degree. to the horizon with its mouth being raised; and an apparatus usable for practicing this method.
    Type: Grant
    Filed: August 13, 1982
    Date of Patent: November 13, 1984
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Ei Mochida, Takashi Kudo, Toshiyuki Sugawara, Minoru Tsumura
  • Patent number: 4481137
    Abstract: A glycoprotein obtained from the cells of human or non-human warm-blooded animals having an anti-tumor effect and characterized by the following properties:(a) molecular weight: in the range from 7,000 to 90,000 by Sephadex gel filtration or SDS gel electrophoresis;(b) color reactions: it exhibits a color indicating proteins in the Lowry reaction, exhibits a color indicating peptide bonds and amino acids in the ninhydrin reaction after hydrolysis with hydrochloric acid, and exhibits a color indicating sugars in the phenol-sulfuric acid reaction, the anthrone-sulfuric acid reaction, the indole-sulfuric acid reaction and the tryptophane-sulfuric acid reaction;(c) appearance and solubility: white powder soluble in water, aqueous sodium chloride and phosphate buffer, and sparingly soluble in benzene, hexane and chloroform;(d) sugar content: sugar content is 8-45%, 6-28% of the total sugar being hexoses, 1-11% being hexosamines and 1-6% being sialic acids;(e) stability: stable in an aqueous solution of pH 2.
    Type: Grant
    Filed: February 18, 1983
    Date of Patent: November 6, 1984
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Haruo Ohnishi, Kazuo Yamaguchi, Yasuo Suzuki, Ei Mochida, Nobuo Mochida
  • Patent number: 4479720
    Abstract: An apparatus for rotating reaction vessels in an inclined posture, comprising a plate, means for rotatably supporting the plate, means for rotating the plate at a predetermined speed, a plurality of reaction vessel holders mounted on the edge portion of the plate and adapted for mounting reaction vessels, means for rotating the reaction vessel holders around their axes at a predetermined speed, and means for fixing the plate supporting means in such a manner that the reaction vessel holders may be inclined at a predetermined angle to the horizon.
    Type: Grant
    Filed: September 28, 1982
    Date of Patent: October 30, 1984
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Ei Mochida, Takashi Kudo, Toshiyuki Sugawara, Minoru Tsumura