Patents by Inventor Hiroshi Tomoda

Hiroshi Tomoda 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).

  • Publication number: 20110184173
    Abstract: The present invention is a compound having the general formula (I), (II), or (III) or a pharmacologically acceptable salt, solvate, or hydrate thereof, and a pharmaceutical composition containing such a compound, or its pharmacologically acceptable ester, or other pharmacologically acceptable derivative thereof as an active ingredient. The compound has an excellent ACAT 2-inhibiting activity by a mechanism different from that of a statin drug and is useful as a therapeutic or prophylactic agent for obesity, adiposis, hyperlipidemia, hypercholesterolemia, disorder of lipid metabolism, and arteriosclerosis, as well as obesity-derived hyperlipidemia, hypercholesterolemia, disorder of lipid metabolism, arteriosclerosis, and hypertension.
    Type: Application
    Filed: December 17, 2008
    Publication date: July 28, 2011
    Applicant: THE KITASATO INSTITUTE
    Inventors: Hiroshi Tomoda, Tohru Nagamitsu, Satoshi Omura
  • Patent number: 7982057
    Abstract: The present invention relates to novel compound of stemphones obtained by culturing microorganism belonging to genus Aspergillus and having ability to produce compound of stemphones selected from the group consisting of stemphone D substance, stemphone E substance, stemphone E1 substance, stemphone E2 substance, stemphone E3 substance and stemphone F substance, accumulating the compound of stemphones in the cultured mass, and isolating the compound of stemphones from the cultured mass. Since the obtained compound has enhancing activity for imipenem and activity for reducing cytotoxicity, it can be expected to be useful as lead compounds for combination remedy for methicillin resistant Staphylococcus aureus (MRSA) infection.
    Type: Grant
    Filed: March 15, 2006
    Date of Patent: July 19, 2011
    Assignee: The Kitasato Institute
    Inventors: Satoshi Omura, Hiroshi Tomoda, Rokuro Masuda
  • Patent number: 7973147
    Abstract: A microorganism represented by a strain K04-0144 belonging to Streptomyces sp. having ability to produce K04-0144 substance is cultured in the medium, and the isolated K04-0144A substance, K04-0144B substance and K04-0144C substance therefrom have strong antibacterial activities against Gram-positive bacteria including methicillin-resistant Streptococcus aureus (MRSA), consequently these are useful as the therapeutic agents for infectious disease caused by MRSA as well as infectious diseases caused by multidrug including ?-lactam antibiotics resistant bacteria. Further, similarly, since the novel K04-0144D substance isolated from the cultured liquid has the action for enhancing the effect of ?-lactam antibiotics, which are utilized as the antibacterial agents, in combination with them, it is useful as the therapeutic agent for infectious diseases caused by methicillin-resistant Staphylococcus aureus (MRSA) and multidrug including ?-lactam antibiotics resistant bacteria.
    Type: Grant
    Filed: May 16, 2006
    Date of Patent: July 5, 2011
    Assignee: The Kitasato Institute
    Inventors: Satoshi Omura, Hiroshi Tomoda, Yong-pil Kim, Hideaki Hanaki, Atsuko Matsumoto, Yoko Takahashi
  • Publication number: 20110105769
    Abstract: This invention relates to substance FKI-3864 represented by the following formula [I] having an inhibitory activity on the synthesis of triacylglycerols and a method for preparing the same. The substance FKI-3864 can be prepared by a method comprising culturing a microorganism which belongs to the genus Penicillium and is capable of producing the substance FKI-3864, and particularly Penicillium pinophilum FKI-3864 (FERM BP-11093) so as to accumulate the substance FKI-3864 in the culture and collecting the substance FKI-3864 from the culture. The substance has an inhibitory activity on the synthesis of intracellular triacylglycerols and is useful for prevention or treatment of obesity.
    Type: Application
    Filed: February 12, 2009
    Publication date: May 5, 2011
    Applicant: SCHOOL JURIDICAL PERSON KITASATO INSTITUTE
    Inventors: Hiroshi Tomoda, Ryuji Uchida, Rokuro Masuma, Satoshi Omura
  • Publication number: 20110034404
    Abstract: Disclosed is a composition for use as a pest control agent, comprising a compound represented by formula (I) or an agriculturally and horticulturally acceptable salt thereof as active ingredient and an agriculturally and horticulturally acceptable carrier:
    Type: Application
    Filed: October 13, 2010
    Publication date: February 10, 2011
    Inventors: Kimihiko GOTO, Ryo Horikoshi, Mariko Tsuchida, Kazuhiko Oyama, Satoshi Omura, Hiroshi Tomoda, Toshiaki Sunazuka
  • Patent number: 7838538
    Abstract: Disclosed is a composition for use as a pest control agent, comprising a compound represented by formula (I) or an agriculturally and horticulturally acceptable salt thereof as active ingredient and an agriculturally and horticulturally acceptable carrier:
    Type: Grant
    Filed: December 23, 2008
    Date of Patent: November 23, 2010
    Assignees: Meiji Seika Kaisha, Ltd., The Kitasato Institute
    Inventors: Kimihiko Goto, Ryo Horikoshi, Mariko Tsuchida, Kazuhiko Oyama, Satoshi Omura, Hiroshi Tomoda, Toshiaki Sunazuka
  • Publication number: 20100291622
    Abstract: The present invention provides compounds which exhibit an inhibitory effect on undecaprenyl diphosphate synthase of microbes and thereby they are expected to be used clinically as pharmaceutical agents for infectious diseases caused by bacteria. The process comprises culturing a microbe belonging to Penicillium and having ability of producing an FKI-3368 substance in or on a nutrient medium to accumulate the FKI-3368 substance in the nutrient medium and collecting the FKI-3368 substance from the culture.
    Type: Application
    Filed: September 12, 2008
    Publication date: November 18, 2010
    Applicant: SCHOOL JURIDICAL PERSON KITASATO INSTITUTE
    Inventors: Hiroshi Tomoda, Junji Inokoshi, Rokuro Masuma, Satoshi Omura
  • Patent number: 7794991
    Abstract: The present invention relates to novel stemphones having enhancing effect of ?-lactam antibiotic used as an antibacterial agent, and a process for production thereof. The process is comprised of culturing microorganism belonging to genus Aspergillus and having ability to produce stemphones, the microorganism of which is Aspergillus sp. FKI-2136 NITE BP-83, accumulating the stemphones in the cultured mass, and isolating the stemphones from the cultured mass. Since the obtained stemphones have an action enhancing activity of ?-lactam antibiotic used as an antibacterial agent by combining with ?-lactam antibiotic, the stemphones are expected to be useful as the therapeutic agent for MRSA infection and infectious diseases caused by multi-drug resistant microorganisms including ?-lactam antibiotic resistance.
    Type: Grant
    Filed: October 3, 2005
    Date of Patent: September 14, 2010
    Assignee: The Kitasato Institute
    Inventors: Satoshi Omura, Hiroshi Tomoda, Rokuro Masuma
  • Publication number: 20090137634
    Abstract: Disclosed is a composition for use as a pest control agent, comprising a compound represented by formula (I) or an agriculturally and horticulturally acceptable salt thereof as active ingredient and an agriculturally and horticulturally acceptable carrier:
    Type: Application
    Filed: December 23, 2008
    Publication date: May 28, 2009
    Inventors: Kimihiko Goto, Ryo Horikoshi, Mariko Tsuchida, Kazuhiko Oyama, Satoshi Omura, Hiroshi Tomoda, Toshiaki Sunazuka
  • Publication number: 20090130717
    Abstract: A microorganism represented by a strain K04-0144 belonging to Streptomyces sp. having ability to produce K04-0144 substance is cultured in the medium, and the isolated K04-0144A substance, K04-0144B substance and K04-0144C substance therefrom have strong antibacterial activities against Gram-positive bacteria including methicillin-resistant Streptococcus aureus (MRSA), consequently these are useful as the therapeutic agents for infectious disease caused by MRSA as well as infectious diseases caused by multidrug including ?-lactam antibiotics resistant bacteria. Further, similarly, since the novel K04-0144D substance isolated from the cultured liquid has the action for enhancing the effect of ?-lactam antibiotics, which are utilized as the antibacterial agents, in combination with them, it is useful as the therapeutic agent for infectious diseases caused by methicillin-resistant Staphylococcus aureus (MRSA) and multidrug including ?-lactam antibiotics resistant bacteria.
    Type: Application
    Filed: May 16, 2006
    Publication date: May 21, 2009
    Inventors: Satoshi Omura, Hiroshi Tomoda, Yong-pil Kim, Hideaki Hanaki, Atsuko Matsumoto, Yoko Takahashi
  • Patent number: 7521428
    Abstract: Macrolide derivatives having enhancing effect for activities of azole antifungal agents, acting at low concentration and within a short time against fungal infection and reducing the frequency of appearance of resistant microorganisms. One such substance is a compound represented by the formula [I]: wherein R1 is Ac, R2 and R3 are Ac, and R4 is Me; when R1 is H, R2 and R3 are Ac, and R4 is Me; when R1 is H, R2 and R3 are Ac, and R4 is H, when R1 Bzl, R2 and R3 are Bzl, and R4 is Me; when R1 is Ac, R2 and R3 are Pr, and R4 is Me; when R1 is Ac, R2 and R3 are Hex, and R4 is Me; when R1 is Ac, R2 and R3 are Bzl, and R4 is Me; when R1 is H, R2 and R3 are Pr, and R4 is Me; when R1 is H, R2 and R3 are Hex, and R4 is Me; when R1 is H, R2 and R3 are Bzl, and R4 is Me; when R1 is H, R2 is H, R3 is Bzl, and R4 is Me; when R1 is H, R2 and R3 are Hex, and R4 is H, or when R1 is H, R2 and R3 are Hex, and R4 is Et.
    Type: Grant
    Filed: October 29, 2002
    Date of Patent: April 21, 2009
    Assignee: The Kitasato Institute
    Inventors: Satoshi Omura, Hiroshi Tomoda, Toshiaki Sunazuka, Masayoshi Arai, Tohru Nagamitsu
  • Publication number: 20090093646
    Abstract: The present invention relates to novel compound of stemphones obtained by culturing microorganism belonging to genus Aspergillus and having ability to produce compound of stemphones selected from the group consisting of stemphone D substance, stemphone E substance, stemphone E1 substance, stemphone E2 substance, stemphone E3 substance and stemphone F substance, accumulating the compound of stemphones in the cultured mass, and isolating the compound of stemphones from the cultured mass. Since the obtained compound has enhancing activity for imipenem and activity for reducing cytotoxicity, it can be expected to be useful as lead compounds for combination remedy for methicillin resistant Staphylococcus aureus (MRSA) infection.
    Type: Application
    Filed: March 15, 2006
    Publication date: April 9, 2009
    Applicant: THE KITASATO INSTITUTE
    Inventors: Satoshi Omura, Hiroshi Tomoda, Rokuro Masuda
  • Patent number: 7514455
    Abstract: An electron transport system complex II inhibitor comprising 2-pyridinol derivative represented by the general formula [I] wherein R is alkyl or alkenyl optionally having substituent containing halogen, or its tautomer 2-pyridone derivative represented by the general formula [II] wherein R is alkyl or alkenyl optionally having substituent containing halogen, or salt thereof as an active ingredient. The compound inhibits the complex II strongly with nM order activity. Consequently, 2-pyridinol derivative or its tautomer, 2-pyridone derivative, are useful as the complex II inhibitor.
    Type: Grant
    Filed: June 10, 2002
    Date of Patent: April 7, 2009
    Assignee: The Kitasato Institute
    Inventors: Satoshi Omura, Kazuro Shiomi, Hiroshi Tomoda, Rokuro Masuma, Kiyoshi Kita
  • Patent number: 7491738
    Abstract: There is provided a pest control agent comprising a compound represented by formula (I) as active ingredient.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: February 17, 2009
    Assignees: Meiji Seika Kaisha, Ltd., The Kitasato Institute (A School Juridical Person)
    Inventors: Kimihiko Goto, Ryo Horikoshi, Mariko Tsuchida, Kazuhiko Oyama, Satoshi Omura, Hiroshi Tomoda, Toshiaki Sunazuka
  • Publication number: 20080318842
    Abstract: [Problems] To provide a novel cyclic isodityrosine derivative having a physiological effect. [Means for solving problems] A compound represented by general formula (I) or a pharmacologically acceptable salt thereof has an effect of potentiating activity of imipenem, an effect of inhibiting the synthesis of a cholesteryl ester, and so forth: wherein R1 represents a hydrogen atom, an amido group, a Boc group, a Cbz group, an Fmoc group, a BocNH(CH2)5CO— group, a BocNHCH(CH2C6H5)CO— group, or a linear or branched alkyl group; R2 represents a benzoyl group, a benzyl group, a modified benzyl group, or a linear or branched alkyl group; R3 represents a hydrogen group, an —OR5 group, wherein R5 represents a linear or branched alkyl group or an aromatic ring, or an amido group; R4 represents a hydrogen atom, or a linear or branched alkyl group; and X1 and X2 each represent a halogen atom, wherein X1 and X2 may be the same as or different from each other.
    Type: Application
    Filed: September 30, 2005
    Publication date: December 25, 2008
    Inventors: Shigeru Nishiyama, Rika Obata, Hiroshi Tomoda
  • Patent number: 7439225
    Abstract: The present invention is comprised of culturing a microorganism having ability to produce K01-B0171-B substance and/or K01-B0171-C substance in a medium, accumulating K01-B0171-B substance and/or K01-B0171-C substance in a culture fluid and isolating K01-B0171-B substance and/or, K01-B0171-C substance from the culture fluid. The obtained K01-B0171-B substance, K01-B0171-C substance or a composition of these substances is expected to be useful as a medicament of antituberculous agent.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: October 21, 2008
    Assignee: The Kitasato Institute
    Inventors: Satoshi Omura, Hiroshi Tomoda, Masato Iwatsuki, Yoko Takahashi
  • Publication number: 20080160587
    Abstract: The present invention relates to novel stemphones having enhancing effect of ?-lactam antibiotic used as an antibacterial agent, and a process for production thereof. The process is comprised of culturing microorganism belonging to genus Aspergillus and having ability to produce stemphones, the microorganism of which is Aspergillus sp. FKI-2136 NITE BP-83, accumulating the stemphones in the cultured mass, and isolating the stemphones from the cultured mass. Since the obtained stemphones have an action enhancing activity of ?-lactam antibiotic used as an antibacterial agent by combining with ?-lactam antibiotic, the stemphones are expected to be useful as the therapeutic agent for MRSA infection and infectious diseases caused by multi-drug resistant microorganisms including ?-lactam antibiotic resistance.
    Type: Application
    Filed: October 3, 2005
    Publication date: July 3, 2008
    Applicant: THE KITASATO INSTITUTE
    Inventors: Satoshi Omura, Hiroshi Tomoda, Rokuro Masuma
  • Patent number: 7192742
    Abstract: (Beauveria) sp. FO-6979 (FERM BP-6681), which belongs to the genus Beauveria and is capable of producing FO-6979-M0, -M1, -M2, -M3 and -M4 substances, is cultured in a medium to thereby accumulate the FO-6979-M0, -M1, -M2, -M3 and -M4 substances in the liquid culture medium. Then the FO-6979-M0, -M1, -M2, -M3 and -M4 substances are collected from the culture medium. The substances thus obtained are less toxic, specifically inhibit acyl-Coenzyme A: cholesterol acyltransferase, and inhibit the formation of oil droplets in macrophages. Owing to these characteristics, the above substances are useful in preventing and treating human diseases caused by cholesterol accumulation.
    Type: Grant
    Filed: March 19, 2002
    Date of Patent: March 20, 2007
    Assignees: Gakkou Houjin Kitasato Gakeun, Japan Society for the Promotion of Science
    Inventors: Satoshi Omura, Hiroshi Tomoda
  • Publication number: 20070032545
    Abstract: A microorganism belonging to filamentous fungi, capable of producing antibiotic FKI-1778A and/or FKI-1778B and/or FKI-1778C and/or FKI-1778D is cultured in a culture medium to thereby accumulate the antibiotic FKI-1778A and/or FKI-1778B and/or FKI-1778C and/or FKI-1778D in the culture mixture. The antibiotic FKI-1778A and/or FKI-1778B and/or FKI-1778C and/or FKI-1778D is collected from the culture mixture. The thus obtained substance is promising as drugs, veterinary medicines or agrichemicals having a growth inhibiting activity to microorganisms, nematodes and arthropods or as drugs exhibiting a growth inhibiting activity to carcinoma cells.
    Type: Application
    Filed: March 24, 2004
    Publication date: February 8, 2007
    Inventors: Satoshi Omura, Hiroshi Tomoda, Rokuro Masuma
  • Publication number: 20060287252
    Abstract: A microorganism belonging to the genus Streptomyces and being capable of producing substance K01-0509-A1 and/or substance K01-0509-A2 is cultured in a medium. Then, the substance K01-0509-A1 and/or the substance K01-0509-A2 having been thus accumulated in the liquid culture medium are collected from the medium. It is expected that the obtained substances are efficacious as drugs which are selectively effective on pathogenic gram-negative bacteria having the type III secretion system.
    Type: Application
    Filed: February 9, 2004
    Publication date: December 21, 2006
    Inventors: Satoshi Omura, Akio Abe, Masato Iwatuki, Yoko Takahashi, Hiroshi Tomoda