Patents by Inventor Tomohisa Hattori

Tomohisa Hattori 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: 8741358
    Abstract: The objectives are to find a substance or a composition capable of promoting the production of ghrelin with physiological activities such as growth hormone secretion effect, and to provide a pharmaceutical comprising it as the active ingredient. The pharmaceutical is a ghrelin production promoter comprising Rikkunshi-to as the active ingredient.
    Type: Grant
    Filed: January 9, 2012
    Date of Patent: June 3, 2014
    Assignees: National University Corporation Hokkaido University, Tsumura & Co.
    Inventors: Masahiro Asaka, Hiroshi Takeda, Ryuuji Takasaki, Tomohisa Hattori
  • Patent number: 8182845
    Abstract: The objectives are to find a substance or a composition capable of promoting the production of ghrelin with physiological activities such as growth hormone secretion effect, and to provide a pharmaceutical comprising it as the active ingredient. The pharmaceutical is a ghrelin production promoter comprising Rikkunshi-to as the active ingredient.
    Type: Grant
    Filed: September 7, 2010
    Date of Patent: May 22, 2012
    Assignees: National University Corporation Hokkaido University, Tsumura & Co.
    Inventors: Masahiro Asaka, Hiroshi Takeda, Ryuuji Takasaki, Tomohisa Hattori
  • Publication number: 20120107426
    Abstract: The objectives are to find a substance or a composition capable of promoting the production of ghrelin with physiological activities such as growth hormone secretion effect, and to provide a pharmaceutical comprising it as the active ingredient. The pharmaceutical is a ghrelin production promoter comprising Rikkunshi-to as the active ingredient.
    Type: Application
    Filed: January 9, 2012
    Publication date: May 3, 2012
    Applicants: TSUMURA & CO., NAT. UNI. CORP. HOKKAIDO UNIVERSITY
    Inventors: Masahiro ASAKA, Hiroshi Takeda, Ryuuji Takasaki, Tomohisa Hattori
  • Publication number: 20100330210
    Abstract: The objectives are to find a substance or a composition capable of promoting the production of ghrelin with physiological activities such as growth hormone secretion effect, and to provide a pharmaceutical comprising it as the active ingredient. The pharmaceutical is a ghrelin production promoter comprising Rikkunshi-to as the active ingredient.
    Type: Application
    Filed: September 7, 2010
    Publication date: December 30, 2010
    Applicants: NAT. UNI. CORP. HOKKAIDO UNIVERSITY, TSUMURA & CO.
    Inventors: Masahiro ASAKA, Hiroshi Takeda, Ryuuji Takasaki, Tomohisa Hattori
  • Publication number: 20090053334
    Abstract: The objectives are to find a substance or a composition capable of promoting the production of ghrelin with physiological activities such as growth hormone secretion effect, and to provide a pharmaceutical comprising it as the active ingredient. The pharmaceutical is a ghrelin production promoter comprising Rikkunshi-to as the active ingredient.
    Type: Application
    Filed: December 18, 2006
    Publication date: February 26, 2009
    Applicants: NAT. UNI. CORP. HOKKAIDO UNIVERSITY, TSUMURA & CO.
    Inventors: Masahiro Asaka, Hiroshi Takeda, Ryuuji Takasaki, Tomohisa Hattori
  • Publication number: 20050187264
    Abstract: This invention relates to a phosphodiesterase IV inhibitor containing as an active ingredient a pyridylacrylamide derivative represented by the following formula (I): (wherein Ar1 represents substituted or unsubstituted pyridyl; Ar2 represents phenyl substituted by alkoxy, etc.; R1 represents hydrogen, alkyl, or aryl; R2 represents hydrogen, alkyl, cyano, or alkoxycarbonyl; R3 represents hydrogen or optionally substituted alkyl; X represents oxygen or sulfur; A and B are the same or different and each independently represents hydrogen, hydroxyl, alkoxy, or alkylthio, or A and B together represent oxo, thioxo, etc., or A may be hydroxyl and B may be 1-alkylimidazol-2-yl; and n is an integer from 1 to 3) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 2, 2003
    Publication date: August 25, 2005
    Inventors: Tomohisa Hattori, Toshinobu Sasaki, Yoshihiro Hasegawa, Tatsuhiro Obata
  • Patent number: 6413995
    Abstract: The invention relates to cinnamamide derivatives having the following formula wherein R1 represents a hydroxyl group, a C1-6-alkoxy group, an arylalkoxy group or a substituted or unsubstituted amino group; R2 and R3 are same or different, each of which represents a hydrogen atom, a halogen atom or a C1-4-alkyl group; R4 represents a hydrogen atom or a C1-6-alkyl group; R5 represents a hydrogen atom, a C1-6-alkyl group or an aryl group; R6 represents a hydrogen atom, a C1-6-alkyl group, a cyano group or a C1-6-alkoxy-carbonyl group; W represents an oxygen atom, a sulfur atom, an imino group, a methylene group, a hydroxymethylene group or a carbonyl group; X and Y are same or different, each of which represents an oxygen atom or a sulfur atom; m represents an integer of 0 to 2; n represents an integer of 1 to 3; and when m is 0, a group: —C(R2)(R3)—W— may represent a vinylene group; or a pharmaceutically acceptable salt thereof; and a pharmaceutical composition con
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: July 2, 2002
    Assignee: Tsumura & Co.
    Inventors: Yoshihiro Hasegawa, Shouichirou Shindou, Tomohisa Hattori, Tatsuhiro Obata, Fumiko Horiuchi, Hiroyuki Hayakawa, Hiroaki Kumazawa
  • Patent number: 6313153
    Abstract: The present invention relates to an agent for treating nephritis and a TGF-&bgr; inhibiting agent comprising as an effective ingredient a pyridylacrylamide derivative represented by the following formula (I): wherein Ar1 is a substituted or unsubstituted pyridyl group, Ar2 is a substituted or unsubstituted phenyl group, R1 is a hydrogen atom, an alkyl group or an aryl group, R2 is a hydrogen atom, an alkyl group, a cyano group or an alkoxycarbonyl group, R3 is a hydrogen atom or an optionally substituted alkyl group, X is an oxygen or sulfur atom, A and B are same or different and each represent a hydrogen atom, a hydroxyl group, an alkoxy group or an alkylthio group, or A and B together form an oxo or thioxo group, or a group represented by the formula: ═N—Y in which Y is a dialkylamino, hydroxyl, aralkyloxy or alkoxy group, or a group represented by the formula: —Z1—M—Z2— which Z1 and Z2 are same or different and each represent an oxygen or sulfur atom or
    Type: Grant
    Filed: January 21, 2000
    Date of Patent: November 6, 2001
    Assignee: Tsumura & Co.
    Inventors: Yoshihiro Hasegawa, Shouichirou Shindou, Tomohisa Hattori, Yousuke Yamazaki, Tatsuhiro Obata, Fumiko Horiuchi, Hiroyuki Hayakawa, Hiroaki Kumazawa