Patents by Inventor Hironobu Otani

Hironobu Otani 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: 5972860
    Abstract: A framed soap composition comprises (a) from 20 to 50% by weight of a fatty acid soap, (b) from 1 to 15% by weight of a nonionic surfactant, and (c) from 0.1 to 5% by weight of an inorganic salt. A framed soap composition incorporated with air bubbles is produced by melting a mixture containing these components while heating the mixture in the presence of water, subjecting the resultant molten material to aeration treatment to incorporate air bubbles, and pouring the resultant molten material incorporated with air bubbles, into a frame followed by cooling to harden the molten material.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: October 26, 1999
    Assignee: Kao Corporation
    Inventors: Yoshiyuki Eshita, Manabu Tonomura, Toshio Nozaki, Hironobu Otani, Takeshi Hasegawa
  • Patent number: 5156794
    Abstract: A pulverizing/kneading apparatus for pulverizing and kneading a material such as a soap compound. The material is supplied in a barrel in which are provided a pair of shafts respectively having feeding helical gears and returning helical gears. The material supplied is kneaded and the fine particles contained in the material pulverized by the gears. The forward driving force of the feeding gears is larger than the backward driving force of the returning gears so that the material advances forwardly toward the discharge opening of the barrel.
    Type: Grant
    Filed: June 25, 1991
    Date of Patent: October 20, 1992
    Assignee: Kao Corporation
    Inventors: Nozomu Nakanishi, Hironobu Otani, Takeshi Hasegawa, Shinichi Watanabe