Patents by Inventor Yoshiya Iwasaki

Yoshiya Iwasaki 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: 11078450
    Abstract: A stabilized solid bleaching agent which has good solubility in water without undergoing the occurrence of foaming and without generating residues has been demanded. The present invention provides a stabilized solid-bleaching-agent-containing material having a coating layer formed therein, wherein the coating layer contains at least one component selected from the group consisting of an alkali metal salt of an aromatic carboxylic acid, an alkali metal salt of a non-cyclic dicarboxylic acid, an alkali metal salt of a non-cyclic monocarboxylic acid having 1 to 7 carbon atoms and mixtures thereof.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: August 3, 2021
    Assignee: SHIKOKU CHEMICALS CORPORATION
    Inventors: Akihiro Norimoto, Koichi Sahiro, Tsuyoshi Toyota, Yoshiya Iwasaki
  • Publication number: 20190153363
    Abstract: A stabilized solid bleaching agent which has good solubility in water without undergoing the occurrence of foaming and without generating residues has been demanded. The present invention provides a stabilized solid-bleaching-agent-containing material having a coating layer formed therein, wherein the coating layer contains at least one component selected from the group consisting of an alkali metal salt of an aromatic carboxylic acid, an alkali metal salt of a non-cyclic dicarboxylic acid, an alkali metal salt of a non-cyclic monocarboxylic acid having 1 to 7 carbon atoms and mixtures thereof.
    Type: Application
    Filed: April 21, 2017
    Publication date: May 23, 2019
    Applicant: SHIKOKU CHEMICALS CORPORATION
    Inventors: Akihiro NORIMOTO, Koichi SAHIRO, Tsuyoshi TOYOTA, Yoshiya IWASAKI
  • Patent number: 7651628
    Abstract: A compression molded product of effervescent chlorinated isocyanuric acid, comprising (a) chlorinated isocyanuric acid, (b) organic acid, (c) carbonate salt and (d) sodium sulfate.
    Type: Grant
    Filed: August 5, 2004
    Date of Patent: January 26, 2010
    Assignee: Shikoku Chemicals Corporation
    Inventors: Shigeru Morioka, Yoshiya Iwasaki, Yasufumi Seo
  • Patent number: 7018562
    Abstract: A compression molded product of quick-dissolving chlorinated isocyanuric acid, comprising: (a) trichloroisocyanuric acid, (b) sodium dichloroisocyanurate anhydrous salt, (c) magnesium sulfate and/or aluminum sulfate, and (d) calcium carbonate.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: March 28, 2006
    Assignee: Shikoku Corporation
    Inventors: Shigeru Morioka, Yoshiya Iwasaki, Yasufumi Seo
  • Publication number: 20050031684
    Abstract: A compression molded product of effervescent chlorinated isocyanuric acid, comprising (a) chlorinated isocyanuric acid, (b) organic acid, (c) carbonate salt and (d) sodium sulfate.
    Type: Application
    Filed: August 5, 2004
    Publication date: February 10, 2005
    Inventors: Shigeru Morioka, Yoshiya Iwasaki, Yasufumi Seo
  • Publication number: 20040051079
    Abstract: A compression molded product of quick-dissolving chlorinated isocyanuric acid, comprising:
    Type: Application
    Filed: September 9, 2003
    Publication date: March 18, 2004
    Applicant: SHIKOKU CORPORATION
    Inventors: Shigeru Morioka, Yoshiya Iwasaki, Yasufumi Seo
  • Patent number: 4912123
    Abstract: Disclosed is a novel imidazole compound represented by the following formula: ##STR1## wherein A.sub.1 stands for a thien-3-yl or 4-chlorophenyl group and A.sub.2 stands for a 2,4-dichlorophenyl, 2-chlorothien-3-yl or 2-chloro-5-bromothien-3-yl group, with the proviso that at least one of A.sub.1 and A.sub.2 stands for a thien-3-yl or halogen-substituted thien-3-yl group. This compound is effective as a therapeutic antifungal agent or mildewproofing agent.
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: March 27, 1990
    Assignee: Shikoku Chemicals Corporation
    Inventors: Takayuki Fujita, Yoshiya Iwasaki, Hiroko Yabe, Tadashi Akita
  • Patent number: 4798844
    Abstract: 1-(4-Chlorophenyl)-2-(1H-imidazolyl)-3-(2,4-dichlorophenyl)-2-propen-1-one hydrochloride is useful as a chemotherapeutant which is administered to men or animals for remedy of diseases caused by true fungi or bacteria.
    Type: Grant
    Filed: April 14, 1987
    Date of Patent: January 17, 1989
    Assignee: Shikoku Chemicals Corporation
    Inventors: Takayuki Fujita, Yoshiya Iwasaki, Hiroko Yabe