Patents by Inventor Toshitake Hirai

Toshitake Hirai 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: 20210196747
    Abstract: Provided is a metabolism improving agent that contains, for example, an alkalizing agent such as an acidosis improving agent or a urinary alkalizing agent as an active ingredient, and has actions such as improvement of insulin resistance, improvement of pituitary and adrenal functions, and reduction of visceral fat accumulation.
    Type: Application
    Filed: May 24, 2019
    Publication date: July 1, 2021
    Applicants: University of the Ryukyus, Nippon Chemiphar Co., Ltd.
    Inventors: Hiroaki MASUZAKI, Hideki NAKAMURA, Toshitake HIRAI, Kaoru HARA, Takashi KANDA, Satomi YAMASAKI, Tadashi KOBAYASHI, Koichiro NISHIOKA
  • Publication number: 20190255022
    Abstract: A wound-healing agent is provided by using a benzisoxazole compound represented by the following general formula (I), a tautomer, a stereoisomer, or a pharmaceutically acceptable salt of the compound, a solvate of any of the foregoing, or the like, which exerts a PPAR? agonist effect.
    Type: Application
    Filed: May 11, 2017
    Publication date: August 22, 2019
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Toshitake HIRAI, Takaichi HAMANO, Tomio YAMAKAWA
  • Publication number: 20100331545
    Abstract: [Problems] To provide a modulator for signaling of TLR [Means for solving the problems] A medicament containing cathepsin inhibitor such as monosodium (2S,3S)-3-[[(1S)-1-isobutoxymethyl-3-methylbutyl]carbamoyl]oxirane-2-carboxylate as a active ingredient is used as a modulator for signaling of TLR, a therapeutic agent for treating diseases associated with TLR signaling, a therapeutic agent for treating diseases associated with induction of Th17 cells, a therapeutic agent for treating diseases associated with production of IL-6, IL-12, IL-17, or IL-23, or a therapeutic agent for treating systemic lupus erythematosus, lupus nephritis, crohn's disease, psoriasis, or acute disseminated encephalomyelitis.
    Type: Application
    Filed: October 23, 2008
    Publication date: December 30, 2010
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Hiroshi Takayanagi, Masataka Asagiri, Toshitake Hirai
  • Publication number: 20100029949
    Abstract: A compound having the following formula (II) or its salt is used as an activator for PPAR ?: [in which W3 is a nitrogen atom or CH; Z1 is an oxygen atom or a sulfur atom; each of R11 and R12 is a hydrogen atom, a halogen atom, a C1-C8 alkyl group, a C1-C8 alkoxy group, a C1-C8 alkyl group having a halogen substituent, or the like; each of R13 and R14 is a hydrogen atom or a C1-C8 alkyl group; A1 is pyrazole or thiophene which may have a substituent; and m is an integer of 2 to 4].
    Type: Application
    Filed: July 4, 2006
    Publication date: February 4, 2010
    Inventors: Shogo Sakuma, Nobutaka Mochiduki, Rie Takahashi, Toshitake Hirai, Tomio Yamakawa, Seiichiro Masui
  • Publication number: 20090240058
    Abstract: A compound or its salt having the following formula (II) is used as an activator for PPAR ?: in which each of R11 and R13 is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and a halogen atom substituent, etc.; R12 is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms and a halogen atom substituent, etc.; each of R14 and R15 is a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or an alkyl group having 1 to 8 carbon atoms and a halogen atom substituent; X1 is CH or N; Z1 is an oxygen atom or a sulfur atom; W1 is an oxygen atom or CH2; and q is an integer of 2 to 4.
    Type: Application
    Filed: February 28, 2006
    Publication date: September 24, 2009
    Inventors: Shogo Sakuma, Tomio Yamakawa, Nobutaka Mochiduki, Seiichiro Masui, Rie Takahashi, Toshitake Hirai
  • Publication number: 20090203908
    Abstract: A compound having the following formula or its salt is used as an activator for PPAR: in which W2 represents a bond, C(?O) or CH2; Z2 represents an oxygen or sulfur atom; R21, R22 and R23 independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, a halogen atom, an alkyl group having 1 to 8 carbon atoms which is substituted with a halogen atom or the like; and R24 and R25 independently represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms or an alkyl group having 1 to 8 carbon atoms which is substituted with a halogen atom.
    Type: Application
    Filed: May 24, 2006
    Publication date: August 13, 2009
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Shogo Sakuma, Nobutaka Mochiduki, Rie Takahashi, Toshitake Hirai, Tomio Yamakawa, Seiichiro Masui