Patents by Inventor Masaaki Mitomi

Masaaki Mitomi 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: 9073866
    Abstract: Specific amine derivatives have been found to possess excellent activities as pest control agents.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: July 7, 2015
    Assignee: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Shinzo Kagabu, Masaaki Mitomi, Shigeki Kitsuda, Ryo Horikoshi, Masahiro Nomura, Yasumichi Onozaki
  • Patent number: 9066517
    Abstract: A pest control method for honeybee parasitic pests has been found, which is highly safe to honeybees and demonstrates excellent pest control effects against honeybee parasitic pests by using a honeybee parasitic pest control agent containing at least one of a compound represented by Formula (I) and acid addition salts thereof.
    Type: Grant
    Filed: November 10, 2014
    Date of Patent: June 30, 2015
    Assignee: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Ryo Horikoshi, Masaaki Mitomi
  • Publication number: 20150166608
    Abstract: An objective of the present invention is to provide novel cyclic depsipeptide derivatives and harmful organism control agents including the same as each other. Specifically, the present invention provides compounds represented by formula (1) or stereoisomers thereof, harmful organism control agents containing them, and a process for producing them.
    Type: Application
    Filed: June 13, 2013
    Publication date: June 18, 2015
    Inventors: Masaaki Mitomi, Masayo Sakai, Ryo Horikoshi, Yasumichi Onozaki, Satoshi Nakamura, Satoshi Omura, Toshiaki Sunazuka, Tomoyasu Hirose, Kazuro Shiomi, Rokuro Masuma
  • Publication number: 20150105427
    Abstract: A compound of formula (Ie?): wherein Ar?, R1, R4e and Y are as defined herein and a method of controlling pests using the compound.
    Type: Application
    Filed: December 17, 2014
    Publication date: April 16, 2015
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Shinzo KAGABU, Masaaki MITOMI, Shigeki KITSUDA, Ryo HORIKOSHI, Masahiro NOMURA, Yasumichi ONOZAKI
  • Publication number: 20150057288
    Abstract: A pest control method for honeybee parasitic pests has been found, which is highly safe to honeybees and demonstrates excellent pest control effects against honeybee parasitic pests by using a honeybee parasitic pest control agent containing at least one of a compound represented by Formula (I) and acid addition salts thereof.
    Type: Application
    Filed: November 10, 2014
    Publication date: February 26, 2015
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Ryo HORIKOSHI, Masaaki MITOMI
  • Patent number: 8957214
    Abstract: A compound of formula (Ie?): wherein Ar?, R1, R4e and Y are as defined herein and a method of controlling pests using the compound.
    Type: Grant
    Filed: August 26, 2011
    Date of Patent: February 17, 2015
    Assignee: Meiji Seika Pharma Co., Ltd.
    Inventors: Shinzo Kagabu, Masaaki Mitomi, Shigeki Kitsuda, Ryo Horikoshi, Masahiro Nomura, Yasumichi Onozaki
  • Publication number: 20150005347
    Abstract: Provided is a nitrogen-containing heterocyclic derivative having a 2-imino group, which is represented by the following Formula (I). [in the formula, Ar represents a phenyl group which may be substituted, a 5- to 6-membered heterocycle which may be substituted, or a 4- to 10-membered heterocycloalkyl group, A represents a heterocycle having a 5- to 10-membered unsaturated bond including one or more nitrogen atoms, and has an imino group substituted with an R group at a position adjacent to the nitrogen atom present on the cycle, Y represents a hydrogen atom, a halogen atom, a hydroxyl group, a C1 to C6 alkyl group which may be substituted with a halogen atom, a C1 to C6 alkyloxy group which may be substituted with a halogen atom, a cyano group, or a nitro group, and R represents any one of groups represented by the following Formulae (a) to (e), (y) or (z).
    Type: Application
    Filed: February 27, 2013
    Publication date: January 1, 2015
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Shinzo Kagabu, Masaaki Mitomi, Shigeki Kitsuda, Ryo Horikoshi, Yasumichi Onozaki, Satoshi Nakamura
  • Publication number: 20140315839
    Abstract: Provided is a pest control composition containing a novel iminopyridine derivative and other pest control agents. Provided is a pest control composition containing an iminopyridine derivative represented by the following Formula (I) and at least one of other pest control agents: [in the formula (I), Ar represents a 5- to 6-membered heterocycle which may be substituted, A represents a heterocycle having a 5- to 10-membered unsaturated bond including one or more nitrogen atoms, and has an imino group substituted with an R group at a position adjacent to the nitrogen atom present on the cycle, Y represents hydrogen, halogen and the like, and R represents any one of groups represented by the following Formulae (a) to (e), (y) or (z)].
    Type: Application
    Filed: July 1, 2014
    Publication date: October 23, 2014
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Ryo HORIKOSHI, Yasumichi ONOZAKI, Satoshi NAKAMURA, Masahiro NOMURA, Makoto MATSUMURA, Masaaki MITOMI
  • Publication number: 20140309453
    Abstract: The present invention provides a method for producing crystalline glufosinate P free acid with high purity from glufosinate P hydrochloride salt. In addition, the present invention also provides a method comprises a process of: dissolving glufosinate P hydrochloride salt in a solvent which is a mixed solvent of water and an alcohol(s) selected from the group of methanol, ethanol, propyl alcohol and isopropyl alcohol, and a ratio of water to the alcohol(s) is from 1:3 to 1:100 by volume; crystallizing glufosinate P free acid after neutralizing by addition of a base.
    Type: Application
    Filed: September 28, 2012
    Publication date: October 16, 2014
    Inventors: Nozomu Nakanishi, Takashi Ando, Nobuto Minowa, Masaaki Mitomi
  • Patent number: 8853413
    Abstract: Disclosed is a process for efficiently producing pyripyropene derivatives having acyloxy at the 1-position and 11-position and hydroxyl at the 7-position. The process comprises selectively acylating hydroxyl at the 1-position and 11-position of a compound represented by formula B1 through one to three steps with an acylating agent in the presence or absence of a base.
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: October 7, 2014
    Assignee: Meiji Seika Pharma Co., Ltd.
    Inventors: Yoshimasa Fukuda, Takashi Ando, Kimihiko Goto, Nozomu Nakanishi, Takashi Watanabe, Kenichi Kurihara, Nobuto Minowa, Masaaki Mitomi
  • Patent number: 8853414
    Abstract: Disclosed is a process for efficiently producing pyripyropene derivatives having acyloxy at the 1-position and 11-position and hydroxyl at the 7-position. The process comprises selectively acylating hydroxyl at the 1-position and 11-position of a compound represented by formula B1 through one to three steps with an acylating agent in the presence or absence of a base.
    Type: Grant
    Filed: November 10, 2010
    Date of Patent: October 7, 2014
    Assignee: Meiji Seika Pharma Co., Ltd.
    Inventors: Yoshimasa Fukuda, Takashi Ando, Kimihiko Goto, Nozomu Nakanishi, Takashi Watanabe, Kenichi Kurihara, Nobuto Minowa, Masaaki Mitomi
  • Patent number: 8759529
    Abstract: A process for producing compound C represented by formula C is disclosed: wherein R? represents substituent groups as described herein. The process can produce pyripyropene derivatives that have acyloxy groups at the 1- and 11-positions and a hydroxyl group at the 7-position and are useful as insect pest control agents at a high yield.
    Type: Grant
    Filed: August 13, 2012
    Date of Patent: June 24, 2014
    Assignee: BASF SE
    Inventors: Kimihiko Goto, Kazumi Yamamoto, Masayo Sakai, Masaaki Mitomi, Takashi Ando
  • Publication number: 20140142289
    Abstract: An isolated novel polynucleotide comprising a nucleotide sequence encoding at least one polypeptide involved in biosynthesis of pyripyropene A, a recombinant vector comprising the polynucleotide and a transformant comprising the polynucleotide are disclosed. By the present invention, a pyripyropene A biosynthetic gene useful for production of a novel pyripyropene analog, improvement of productivity of a pyripyropene A-producing bacterium, production of an insecticidal agent for microorganisms, creation of a plant resistant to insect pests or the like are provided.
    Type: Application
    Filed: September 10, 2013
    Publication date: May 22, 2014
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Hiroyuki ANZAI, Kentaro YAMAMOTO, Mariko TSUCHIDA, Kazuhiko OYAMA, Masaaki MITOMI
  • Publication number: 20140039171
    Abstract: Provided are: a novel monoalkylamino intermediate (I); and a production method for a compound represented by the formula (III), which is an animal antibacterial agent, via the novel monoalkylamino intermediate.
    Type: Application
    Filed: February 28, 2012
    Publication date: February 6, 2014
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Kenichi Kurihara, Masaaki Mitomi, Nobuto Minoma
  • Publication number: 20140011757
    Abstract: The inventors of the present invention have succeeded in acquiring a compound having excellent antibacterial activities against pathogens of respiratory tract infections in animals through the use of josamycin as a lead scaffold.
    Type: Application
    Filed: January 31, 2012
    Publication date: January 9, 2014
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Kenichi Kurihara, Masaaki Mitomi
  • Patent number: 8557550
    Abstract: An isolated novel polynucleotide comprising a nucleotide sequence encoding at least one polypeptide involved in biosynthesis of pyripyropene A, a recombinant vector comprising the polynucleotide and a transformant comprising the polynucleotide are disclosed. By the present invention, a pyripyropene A biosynthetic gene useful for production of a novel pyripyropene analog, improvement of productivity of a pyripyropene A-producing bacterium, production of an insecticidal agent for microorganisms, creation of a plant resistant to insect pests or the like are provided.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: October 15, 2013
    Assignee: Meija Seika Pharma Co., Ltd.
    Inventors: Hiroyuki Anzai, Kentaro Yamamoto, Mariko Tsuchida, Kazuhiko Oyama, Masaaki Mitomi
  • Patent number: 8481779
    Abstract: Provided is a method for producing a compound expressed by the following formula (3): [where R1 represents a hydrogen atom or C1-4 alkyl group, and R2 represents C1-4 alkyl group, C1-4 alkoxy group, aryl group, aryloxy group or benzyloxy group], the method comprising a reaction of dehydro-condensing a compound expressed by the following formula (1) and a compound expressed by the following formula (2): while being converted to a desired geometric isomer in the presence or absence of an acid catalyst, under a condition that an organic solvent to be used for the reaction is a mixed solvent of acetic acid and a solvent selected from the group consisting of toluene, xylene and chlorobenzene.
    Type: Grant
    Filed: June 14, 2011
    Date of Patent: July 9, 2013
    Assignee: Meiji Seika Pharma Co., Ltd.
    Inventors: Takashi Ando, Nobuto Minowa, Masaaki Mitomi
  • Publication number: 20130165482
    Abstract: Specific amine derivatives have been found to possess excellent activities as pest control agents.
    Type: Application
    Filed: August 26, 2011
    Publication date: June 27, 2013
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Shinzo Kagabu, Masaaki Mitomi, Shigeki Kitsuda, Ryo Horikoshi, Masahiro Nomura, Yasumichi Onozaki
  • Publication number: 20130150414
    Abstract: Specific amine derivatives have been found to possess excellent activities as pest control agents.
    Type: Application
    Filed: February 7, 2013
    Publication date: June 13, 2013
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Shinzo KAGABU, Masaaki MITOMI, Shigeki KITSUDA, Ryo HORIKOSHI, Masahiro NOMURA, Yasumichi ONOZAKI
  • Publication number: 20130131091
    Abstract: The present invention provides a composition for use as a harmful organism control agent comprising as an active ingredient one or more of compounds represented by formula (I) or salts thereof and an agriculturally or zootechnically acceptable carrier. wherein Het represents pyridyl; X represents an oxygen atom; R1, R2, R3, R7, R10a, R10b, R11, and R12 represent a hydrogen atom; R4, R5, and R6 represent a hydrogen atom, hydroxyl, optionally substituted C1-18 alkylcarbonyloxy, optionally substituted C1-18 alkylsulfonyloxy, optionally substituted arylcarbonyloxy, C1-6 alkyloxy-C1-6 alkyloxy, C1-6 alkyloxy-C1-6 alkyloxy-C1-6 alkyloxy; R8 represents a hydrogen atom; and R13a, R13b, and R13c represent methyl.
    Type: Application
    Filed: May 23, 2011
    Publication date: May 23, 2013
    Inventors: Kimihiko Goto, Ryo Horikoshi, Kazuhiko Oyama, Yoshimasa Fukuda, Nozomu Nakanishi, Masato Tani, Nobuto Minowa, Masaaki Mitomi, Satoshi Omura, Toshiaki Sunazuka, Hiroshi Tomoda