Patents by Inventor Takuya Suga

Takuya Suga 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: 12269942
    Abstract: A transparent thermoplastic resin composition containing: based on 100 parts by mass of the transparent thermoplastic resin composition, 10 to 60 parts by mass of a graft copolymer (A) obtained by graft copolymerizing a monomer mixture (a) containing at least an aromatic vinyl-based monomer (a1) and a (meth)acrylic acid ester-based monomer (a2) in the presence of a rubbery polymer (R); 40 to 90 parts by mass of a vinyl copolymer (B) obtained by copolymerizing a monomer mixture (b) containing at least an aromatic vinyl-based monomer (b1) and a (meth)acrylic acid ester-based monomer (b2); 100 to 1,000 ppm of a phenolic compound (C); and a dihydrooxaphosphaphenanthrene-based phosphorus compound (D), wherein a molar ratio (P/OH) of a phosphorus atom (P) of the dihydrooxaphosphaphenanthrene-based phosphorus compound (D) to a hydroxyl group (OH) of the phenolic compound (C) is 0.2 to 5.0.
    Type: Grant
    Filed: August 7, 2020
    Date of Patent: April 8, 2025
    Assignee: Toray Industries, Inc.
    Inventors: Kazuaki Hirota, Takuya Shibata, Taku Shimozawa, Takayuki Hase, Takanori Suga
  • Patent number: 12258431
    Abstract: A transparent thermoplastic resin composition includes: 100 parts by mass of a transparent thermoplastic resin composition composed of 10 to 60 parts by mass of a graft copolymer (A) obtained by graft-copolymerizing a monomer mixture (a) containing at least an aromatic vinyl-based monomer (a1) and a (meth)acrylic acid ester-based monomer (a2) in the presence of a rubbery polymer (r), and 40 to 90 parts by mass of a vinyl-based copolymer (B) obtained by copolymerizing a monomer mixture (b) containing at least an aromatic vinyl-based monomer (b1), a (meth)acrylic acid ester-based monomer (b2), and a vinyl cyanide-based monomer (b3); and 15 ppm or more and 40 ppm or less of a polydimethyl siloxane gum (C) having a weight-average molecular weight of 300,000 or more.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: March 25, 2025
    Assignee: Toray Industries, Inc.
    Inventors: Takuya Shibata, Takanori Suga, Takayuki Hase
  • Patent number: 8846700
    Abstract: Disclosed are compounds of the following formula and their pharmaceutically-acceptable salts, which have an effect of glucokinase activation and are useful in the field of medicines for treatment for diabetes, obesity, etc. (wherein ring A represents a pyrazolyl group optionally having a lower alkyl group, etc.; ring B represents a heteroaryl group; R represents a lower alkyl group, etc.; R1 represents a group of a formula: (wherein R11 and R12 each independently represent a hydrogen atom, etc.; m indicates an integer of from 2 to 6), etc.; R2 represents a lower alkyl group, etc.; r indicates an integer of from 0 to 3; k indicates an integer of from 0 to 4).
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: September 30, 2014
    Assignee: MSD K.K.
    Inventors: Tomoharu Iino, Akio Ohno, Norikazu Otake, Takuya Suga, Masanori Asai
  • Publication number: 20140011801
    Abstract: Disclosed are compounds of the following formula and their pharmaceutically-acceptable salts, which have an effect of glucokinase activation and are useful in the field of medicines for treatment for diabetes, obesity, etc. (wherein ring A represents a pyrazolyl group optionally having a lower alkyl group, etc.; ring B represents a heteroaryl group; R represents a lower alkyl group, etc.; R1 represents a group of a formula: (wherein R11 and R12 each independently represent a hydrogen atom, etc.; m indicates an integer of from 2 to 6), etc.; R2 represents a lower alkyl group, etc.; r indicates an integer of from 0 to 3; k indicates an integer of from 0 to 4).
    Type: Application
    Filed: September 9, 2013
    Publication date: January 9, 2014
    Applicant: MSD K.K.
    Inventors: Tomoharu Iino, Aklo Ohno, Norikazu Otake, Takuya Suga, Masanori Asai
  • Patent number: 8592428
    Abstract: The present invention relates to compounds, which are useful for treatment and/or prevention of diabetes mellitus, diabetes mellitus complications or obesity, since the compounds have glucokinase-activating effects, and are presented in Formula (I): wherein R1 represents a lower alkylsulfonyl group; R2 represents a hydrogen atom; R20 represents, e.g., a hydrogen atom; m represents an integer of from 1 to 3; and n represents zero or 1, or relates to a pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: August 3, 2009
    Date of Patent: November 26, 2013
    Assignee: MSD K. K.
    Inventors: Hideaki Imamura, Takuya Suga, Hiroyuki Takahashi, Hideki Jona, Etsuko Hirose, Norikazu Ohtake
  • Publication number: 20120270856
    Abstract: Disclosed are compounds of the following formula and their pharmaceutically-acceptable salts, which have an effect of glucokinase activation and are useful in the field of medicines for treatment for diabetes, obesity, etc. (wherein ring A represents a pyrazolyl group optionally having a lower alkyl group, etc.; ring B represents a heteroaryl group; R represents a lower alkyl group, etc.; R1 represents a group of a formula: (wherein R11 and R12 each independently represent a hydrogen atom, etc.; m indicates an integer of from 2 to 6), etc.; R2 represents a lower alkyl group, etc.; r indicates an integer of from 0 to 3; k indicates an integer of from 0 to 4).
    Type: Application
    Filed: July 2, 2012
    Publication date: October 25, 2012
    Inventors: Tomoharu IINO, Akio OHNO, Norikazu OTAKE, Takuya SUGA, Masanori ASAI
  • Patent number: 8232284
    Abstract: Disclosed are compounds of the following formula and their pharmaceutically-acceptable salts, which have an effect of glucokinase activation and are useful in the field of medicines for treatment for diabetes, obesity, etc. (wherein ring A represents a pyrazolyl group optionally having a lower alkyl group, etc.; ring B represents a heteroaryl group; R represents a lower alkyl group, etc.; R1 represents a group of a formula: (wherein R11 and R12 each independently represent a hydrogen atom, etc.; m indicates an integer of from 2 to 6), etc.; R2 represents a lower alkyl group, etc.; r indicates an integer of from 0 to 3; k indicates an integer of from 0 to 4).
    Type: Grant
    Filed: November 10, 2008
    Date of Patent: July 31, 2012
    Assignee: MSD K. K.
    Inventors: Tomoharu Iino, Akio Ohno, Norikazu Otake, Takuya Suga, Masanori Asai
  • Publication number: 20120108817
    Abstract: The present invention relates to compounds, which are useful for treatment and/or prevention of diabetes mellitus, diabetes mellitus complications or obesity, since the compounds have glucokinase-activating effects, and are presented in Formula (I): wherein R1 represents a lower alkylsulfonyl group; R2 represents a hydrogen atom; R20 represents, e.g., a hydrogen atom; m represents an integer of from 1 to 3; and n represents zero or 1, or relates to a pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: August 3, 2009
    Publication date: May 3, 2012
    Inventors: Hideaki Imamura, Takuya Suga, Hiroyuki Takahashi, Hideki Jona, Etsuko Hirose, Norikazu Ohtake
  • Patent number: 8158652
    Abstract: Compounds of a formula (I) [wherein, A represents formula (III-1) R3 is a hydrogen, lower alkyl et al; m is 0 or 1; R1 is a hydrogen atom, halogen atom et al, R2 is a hydrogen et al; p is 0 to 4; X is a carbon atom or nitrogen atom; and X1 to X4 is a lower alkyl et al], or pharmaceutical acceptable salts thereof. These have a potency antagonistic to binding to histamine H3 receptor, or have a potency inhibiting the constant activity of histamine H3 receptor, and are useful in the therapy of obesity, diabetes et al.
    Type: Grant
    Filed: November 30, 2005
    Date of Patent: April 17, 2012
    Assignee: MSD K.K.
    Inventors: Norikazu Ohtake, Takuya Suga, Shigeru Tokita
  • Publication number: 20110319396
    Abstract: The present invention relates to a compound represented by the formula (I): wherein R1 represents a hydrogen atom or the like; R2 represents lower alkyl or the like; R3 and R4 represent lower alkyl or the like; R5 represents phenyl or the like; R6 represents a hydrogen atom or the like; m is an integer of from 0 to 2; p is an integer of from 1 to 4; and q is an integer of from 1 to 5, or a pharmaceutical acceptable salt thereof, and a DGAT 1 inhibitor comprising the compound.
    Type: Application
    Filed: January 19, 2010
    Publication date: December 29, 2011
    Applicant: MSD K.K.
    Inventors: Masanori Asai, Tasuku Haketa, Seiichi Inamura, Makoto Ishikawa, Hideki Jona, Hiroshi Kawamoto, Hideki Kurihara, Jun Shibata, Tadashi Shimamura, Takuya Suga, Hitomi Watanabe
  • Patent number: 8044070
    Abstract: Provided are compounds of a formula (I) and their pharmaceutically-acceptable salts: wherein X1, X2 and X3 each independently represent N or CH; W represents the following formula (II): or the following formula (III): Y represents a group of a formula (IV): The compounds have a histamine-H3 receptor antagonistic or inverse-agonistic activity and are useful for remedy and/or prevention of obesity, diabetes, hormone secretion disorders, sleep disorders, etc.
    Type: Grant
    Filed: August 13, 2009
    Date of Patent: October 25, 2011
    Assignee: MSD K.K.
    Inventors: Norikazu Ohtake, Akira Naya, Yuji Haga, Makoto Jitsuoka, Takuya Suga, Ryo Yoshimoto, Shigeru Tokita, Akio Kanatani
  • Publication number: 20100249146
    Abstract: Disclosed are compounds of the following formula and their pharmaceutically-acceptable salts, which have an effect of glucokinase activation and are useful in the field of medicines for treatment for diabetes, obesity, etc. (wherein ring A represents a pyrazolyl group optionally having a lower alkyl group, etc.; ring B represents a heteroaryl group; R represents a lower alkyl group, etc.; R1 represents a group of a formula: (wherein R11 and R12 each independently represent a hydrogen atom, etc.; m indicates an integer of from 2 to 6), etc.; R2 represents a lower alkyl group, etc.; r indicates an integer of from 0 to 3; k indicates an integer of from 0 to 4).
    Type: Application
    Filed: November 10, 2008
    Publication date: September 30, 2010
    Inventors: Tomoharu Iino, Akio Ohno, Norikazu Otake, Takuya Suga, Masanori Asia
  • Publication number: 20100210637
    Abstract: Provided are compounds of a formula (I) and their pharmaceutically-acceptable salts: wherein X1, X2 and X3 each independently represent N or CH; W represents the following formula (II): or the following formula (III): Y represents a group of a formula (IV): The compounds have a histamine-H3 receptor antagonistic or inverse-agonistic activity and are useful for remedy and/or prevention of obesity, diabetes, hormone secretion disorders, sleep disorders, etc.
    Type: Application
    Filed: August 13, 2009
    Publication date: August 19, 2010
    Inventors: Norikazu Ohtake, Akira Naya, Yuji Haga, Makoto Jitsuoka, Takuya Suga, Ryo Yoshimoto, Shigeru Tokita, Akio Kanatani
  • Patent number: 7595316
    Abstract: Compound of the formula: (I) [wherein each of X1, X2 and X3 independently represents N or CH, W represents the formula (II):(II) or the formula (III):(III) and Y represents a group of the formula (IV):(IV)], or a pharmacologically acceptable salt thereof. This compound exhibits histamine receptor H3 antagonist or inverse agonist activity and is useful of the treatment and/or prevention of obesity, diabetes, hormonal secretion abnormality, sleep, disorder, etc.
    Type: Grant
    Filed: June 24, 2004
    Date of Patent: September 29, 2009
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Norikazu Ohtake, Akira Naya, Yuji Haga, Makoto Jitsuoka, Takuya Suga, Ryo Yoshimoto, Shigeru Tokita, Akio Kanatani
  • Publication number: 20080269287
    Abstract: Compounds of a formula (I) [wherein, A represents formula (III-1) R3 is a hydrogen, lower alkyl et al; m is 0 or 1; R1 is a hydrogen atom, halogen atom et al, R2 is a hydrogen et al; p is 0 to 4; X is a carbon atom or nitrogen atom; and X1 to X4 is a lower alkyl et al], or pharmaceutical acceptable salts thereof. These have a potency antagonistic to binding to histamine H3 receptor, or have a potency inhibiting the constant activity of histamine H3 receptor, and are useful in the therapy of obesity, diabetes et al.
    Type: Application
    Filed: November 30, 2005
    Publication date: October 30, 2008
    Inventors: Norikazu Ohtake, Takuya Suga, Shigeru Tokita
  • Publication number: 20060178375
    Abstract: Compound of the formula: (I) [wherein each of X1, X2, and X3 independently represents N or CH, W represents the formula (II):(II) or the formula (III):(III) and Y represents a group of the formula (IV):(IV)], or a pharmacologically acceptable salt thereof. This compound exhibits histamine receptor H3 antagonist or inverse agonist activity and is useful of the treatment and/or prevention of obesity, diabetes, hormonal secretion abnormality, sleep, disorder, etc.
    Type: Application
    Filed: June 24, 2004
    Publication date: August 10, 2006
    Inventors: Norikazu Ohtake, Akira Naya, Yuji Haga, Makoto Jitsuoka, Takuya Suga, Ryo Yoshimoto, Shigeru Tokita, Akio Kanatani