Patents by Inventor Takahiro Tsujita

Takahiro Tsujita 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: 11365326
    Abstract: The present invention relates to a thermosetting composition characterized in that it contains (A) a polyester resin of number average molecular weight 1,000-10,000, hydroxyl value 5-200 mg KOH/g and, (B) 0.5-2.0 equivalents relative to the hydroxyl groups of the aforesaid component (A) of a compound (B) which is a blocked aliphatic isocyanate compound having reactivity with the hydroxyl groups of component (A), wherein the blocking is with methyl ethyl ketoxime and/or ?-caprolactam, (C) 0.05-5 parts by weight of a bismuth compound, per 100 parts by weight of total resin solids of component (A) and component (B), and (D) 0.5-50 parts by weight of an organosilicate represented by the following general formula (I) and/or a condensation product thereof, relative to 100 parts by weight of total resin solids of component (A) and component (B) wherein R1, R2, R3 and R4 in the formula each mean hydrogen atom or 1-10 carbon organic group, and can be the same or different, n is 1.
    Type: Grant
    Filed: September 4, 2017
    Date of Patent: June 21, 2022
    Inventors: Hiroki Mizutani, Takahiro Tsujita, Taichiro Kohashi, Nobuhiro Nishida, Koji Miyabe
  • Patent number: 11214705
    Abstract: [Purpose] To provide a thermosetting composition with which it is possible to obtain paint films which not only display stain resistance for a short period after application, but with which excellent stain resistance can also be expected for longer periods, and which comply with the paint film properties required for painted steel sheet such as water resistance and bending workability, and have high environmental protection and safety qualities. [Solution] The present invention relates to a thermosetting composition, wherein it contains, as essential components, (A) a polyester resin of number average molecular weight 1,000-10,000 and hydroxyl value 5-200 mg KOH/g and, (B) 0.5 to 2.0 equivalents, relative to the hydroxyl groups of the aforesaid component (A), of a compound (B) which is a blocked aliphatic polyisocyanate compound having reactivity to the hydroxyl groups of component (A), wherein the blocks are methyl ethyl ketone oxime and/or ?-caprolactam, (C) 0.
    Type: Grant
    Filed: August 24, 2016
    Date of Patent: January 4, 2022
    Inventors: Hiroki Mizutani, Takahiro Tsujita, Taichiro Kohashi, Nobuhiro Nishida, Koji Miyabe
  • Patent number: 10513783
    Abstract: To provide a chromium-free paint composition which can provide paint films which are excellent in terms of corrosion resistance on the edge surfaces, scratched surfaces and worked parts of a pre-coated steel sheet, and the paint films which can be obtained by coating this chromium-free paint composition. A chromium-free paint composition which includes paint film-forming resin (A), anti-rust pigment (B), comprising at least one type of amorphous MgO—V2O5-based compound, and crosslinking agent (C) which is characterized in that the mass content proportion of the aforementioned anti-rust pigment (B) is from 10 to 80 mass % with respect to the sum of the resin solid fraction mass of the aforementioned paint film-forming resin (A) and the aforementioned crosslinking agent (C), and the overall eluted ion content in a 10% aqueous solution of the aforementioned anti-rust pigment (B) is from 10 ppm to 100 ppm.
    Type: Grant
    Filed: December 4, 2012
    Date of Patent: December 24, 2019
    Assignee: BASF COATINGS GMBH
    Inventors: Takahiro Tsujita, Nobuhiro Nishida, Yoshitomo Takeuchi, Katsuhiko Ohsawa
  • Publication number: 20190225833
    Abstract: The present invention relates to a thermosetting composition characterized in that it contains (A) a polyester resin of number average molecular weight 1,000-10,000 and hydroxyl value 5-200 mg KOH/g and, (B) 0.5-2.0 equivalents relative to the hydroxyl groups of the aforesaid component (A) of a compound (B) which is a blocked aliphatic poly-isocyanate compound having reactivity with the hydroxyl groups of component (A), wherein the blocking is with methyl ethyl ketoxime and/or ?-caprolactam, (C) 0.05-5 parts by weight of a bismuth compound, per 100 parts by weight of total resin solids of component (A) and component (B), and (D) 0.5-50 parts by weight of an organosilicate represented by the following general formula (I) and/or a condensation product thereof, relative to 100 parts by weight of total resin solids of component (A) and component (B), wherein R1, R2, R3 and R4 in the formula each mean hydrogen atom or 1-10 carbon organic group, and can be the same or different, n is 1.
    Type: Application
    Filed: September 4, 2017
    Publication date: July 25, 2019
    Inventors: Hiroki Mizutani, Takahiro Tsujita, Taichiro Kohashi, Nobuhiro Nishida, Koji Miyabe
  • Publication number: 20180265737
    Abstract: [Purpose] To provide a thermosetting composition with which it is possible to obtain paint films which not only display stain resistance for a short period after application, but with which excellent stain resistance can also be expected for longer periods, and which comply with the paint film properties required for painted steel sheet such as water resistance and bending workability, and have high environmental protection and safety qualities. [Solution] The present invention relates to a thermosetting composition, wherein it contains, as essential components, (A) a polyester resin of number average molecular weight 1,000-10,000 and hydroxyl value 5-200 mg KOH/g and, (B) 0.5 to 2.0 equivalents, relative to the hydroxyl groups of the aforesaid component (A), of a compound (B) which is a blocked aliphatic polyisocyanate compound having reactivity to the hydroxyl groups of component (A), wherein the blocks are methyl ethyl ketone oxime and/or ?-caprolactam, (C) 0.
    Type: Application
    Filed: August 24, 2016
    Publication date: September 20, 2018
    Applicant: Akzo Nobel Coatings International B.V.
    Inventors: Hiroki Mizutani, Takahiro Tsujita, Taichiro Kohashi, Nobuhiro Nishida, Koji Miyabe
  • Patent number: 9738810
    Abstract: A coating material composition for providing coated films is disclosed. The coating material composition contains coated film forming resin (A), crosslinking agent (B), and resin beads (C), in which compression strength of the resin beads (C) at the time of the 10% pressurized deformation of an individual resin bead by means of a micro-compression tester lies between 0.1 MPa and 20 MPa and a recovery of the resin beads (C) following 90% pressurized deformation of an individual resin bead by means of a micro-compression tester is at least 80%.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: August 22, 2017
    Assignee: Akzo Nobel Coatings International B.V.
    Inventors: Takahiro Tsujita, Shinji Yagi, Nobuhiro Nishida, Yoshitomo Takeuchi
  • Publication number: 20160145461
    Abstract: A coating material composition for providing coated films is disclosed. The coating material composition contains coated film forming resin (A), crosslinking agent (B), and resin beads (C), in which compression strength of the resin beads (C) at the time of the 10% pressurized deformation of an individual resin bead by means of a micro-compression tester lies between 0.1 MPa and 20 MPa and a recovery of the resin beads (C) following 90% pressurized deformation of an individual resin bead by means of a micro-compression tester is at least 80%.
    Type: Application
    Filed: April 25, 2014
    Publication date: May 26, 2016
    Inventors: Takahiro Tsujita, Shinji Yagi, Nobuhiro Nishida, Yoshitomo Takeuchi
  • Publication number: 20140349121
    Abstract: To provide a chromium-free paint composition which can provide paint films which are excellent in terms of corrosion resistance on the edge surfaces, scratched surfaces and worked parts of a pre-coated steel sheet, and the paint films which can be obtained by coating this chromium-free paint composition. A chromium-free paint composition which includes paint film-forming resin (A), anti-rust pigment (B), comprising at least one type of amorphous MgO—V2O5-based compound, and crosslinking agent (C) which is characterized in that the mass content proportion of the aforementioned anti-rust pigment (B) is from 10 to 80 mass % with respect to the sum of the resin solid fraction mass of the aforementioned paint film-forming resin (A) and the aforementioned crosslinking agent (C), and the overall eluted ion content in a 10% aqueous solution of the aforementioned anti-rust pigment (B) is from 10 ppm to 100 ppm.
    Type: Application
    Filed: December 4, 2012
    Publication date: November 27, 2014
    Applicant: BASF Coating GmbH
    Inventors: Takahiro Tsujita, Nobuhiro Nishida, Yoshitomo Takeuchi, Katsuhiko Ohsawa
  • Publication number: 20080220052
    Abstract: The invention provides a body weight gain inhibitor, a fat amount gain inhibitor, a medicament for prevention and/or treatment of obesity, a food composition having inhibitory effect on body weight gain and a food composition having inhibitory effect on fat amount gain, each containing ?-polylysine or a salt thereof. In another aspect of the invention, the described compositions are useful for inhibiting body weight gain, inhibiting fat amount gain and preventing and/or treating obesity.
    Type: Application
    Filed: May 6, 2008
    Publication date: September 11, 2008
    Inventors: Takahiro Tsujita, Takeshi Takaku, Naoyuki Yoshida
  • Publication number: 20070264368
    Abstract: The present invention provides a plant-derived carbohydrase inhibitor, wherein the inhibitor is effective for preventing or alleviating diabetes, or preventing obesity, and foods, drinks, and medicines containing the same. The present invention is accomplished by use of an ?-amylase inhibitor or an ?-glucosidase inhibitor as a carbohydrase inhibitor that is extracted from an entire or a part of fagaceous plants using water, another polar solvent, or a mixture thereof. The present invention can also be accomplished by adding the carbohydrase inhibitor to a food or medical composition as an active ingredient for delaying saccharide digestion or absorption, suppressing a rise in postprandial blood glucose levels, or preventing obesity.
    Type: Application
    Filed: June 3, 2005
    Publication date: November 15, 2007
    Inventor: Takahiro Tsujita
  • Publication number: 20070202205
    Abstract: The present invention provides a plant-derived carbohydrase inhibitor, wherein the inhibitor is effective for preventing or alleviating diabetes, or preventing obesity, and foods, drinks, and medicines containing the same. The present invention is accomplished by use of an ?-amylase inhibitor or an ?-glucosidase inhibitor as a carbohydrase inhibitor that is extracted from astringent skins of a chestnut using ethanol or aqueous ethanol solution. The present invention can also be accomplished by adding the carbohydrase inhibitor to a food or medical composition as an active ingredient for delaying saccharide digestion or absorption, suppressing a rise in postprandial blood glucose levels or blood insulin levels, or preventing obesity.
    Type: Application
    Filed: September 13, 2005
    Publication date: August 30, 2007
    Applicants: TakahiroTSUJITA, Takeshi TAKAKA, Chuon Co., Ltd.
    Inventors: Takahiro Tsujita, Takeshi Takaku
  • Publication number: 20070003491
    Abstract: The invention provides a body weight gain inhibitor, a fat amount gain inhibitor, a medicament for prevention and/or treatment of obesity, a food composition having inhibitory effect on body weight gain and a food composition having inhibitory effect on fat amount gain, each containing ?-polylysine or a salt thereof. In another aspect of the invention, the described compositions are useful for inhibiting body weight gain, inhibiting fat amount gain and preventing and/or treating obesity.
    Type: Application
    Filed: June 29, 2006
    Publication date: January 4, 2007
    Inventors: Takahiro Tsujita, Takeshi Takaku, Naoyuki Yoshida
  • Patent number: 5411956
    Abstract: A lipolytic enzyme inhibitor is disclosed which comprises as an active ingredient at least one of a basic protein, a basic polypeptide and salt thereof. The inhibitor is useful as a dieting agent for the prevention of obesity and lipemia and as an additive for food and feed.
    Type: Grant
    Filed: September 24, 1992
    Date of Patent: May 2, 1995
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Toshiyuki Miyazaki, Hirofumi Motoi, Toshiaki Kodama, Taturo Maeda, Takahiro Tsujita, Hiromichi Okuda
  • Patent number: 5376640
    Abstract: A method of inhibiting enzymatic hydrolysis of lipids in a mammal concerns orally administering an effective amount of a purothionin or an .epsilon.-polylysine of the formula: ##STR1## or a salt thereof, wherein n is a number of from 5 to 9, to a mammal in need thereof. Alternatively, the method concerns orally administering an .epsilon.-polylysine of the formula above or a salt thereof, wherein n is a number of from 4 to 30, to a mammal suffering from lipemia or obesity. The purothionin, .epsilon.-polylysine or salt thereof is a lipolytic enzyme inhibitor, useful as a dieting agent, an agent for the prevention of obesity and lipemia, and as an additive for food and feed.
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: December 27, 1994
    Assignee: Nisshin Flour Milling Co., Ltd.
    Inventors: Toshiyuki Miyazaki, Hirofumi Motoi, Toshiaki Kodama, Taturo Maeda, Takahiro Tsujita, Hiromichi Okuda