Patents by Inventor Kimiaki Yasuda

Kimiaki Yasuda 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: 5298615
    Abstract: An ultra-lightweight, open-pore foamed cellulose material with an increased surface area, having ion exchangeable functional groups introduced in it. The cellulose material presents a three-dimensional network structure which, upon swollen, has a particle diameter of 0.8 to 12.0 mm, a mean pore diameter of 0.1 to 1.7 mm, a specific surface area of 1.0 to 10.0 m.sup.2 /g, a true density of 1.4 to 1.6 g/cm.sup.3 and a porosity of 90% or greater. The ion exchangeable functional groups, for instance, may be cationic polyethyleneimine.
    Type: Grant
    Filed: April 5, 1991
    Date of Patent: March 29, 1994
    Assignees: Sakai Engineering Co., Ltd., Agro-Systems Corporation Limited
    Inventors: Tomomi Matsui, Kimiaki Yasuda, Michiyo Nojiri, Masanao Ohno
  • Patent number: 5268168
    Abstract: An antibacterial and deodorant processing agent for the sanitary processing, in particular, for the sanitary processing of a fiber material having a hydrophobic surface, which comprises a derivative of an aminoglycoside antibiotic, and a method for the antibacterial and deodorant processing of a fiber material having a hydrophobic surface with the use of said antibacterial and deodorant processing agent.
    Type: Grant
    Filed: February 14, 1991
    Date of Patent: December 7, 1993
    Assignees: Sakai Engineering Co., Ltd., Meiji Seika Kaisha, Ltd.
    Inventors: Matsuko Katayama, Kimiaki Yasuda, Hidehi Takebe, Katsuharu Iinuma, Toshio Yoneta
  • Patent number: 5200074
    Abstract: An apparatus for separating a component from a liquid is disclosed herein. The apparatus includes a plurality of cartridges disposed within a tank, the cartridges being mounted on a support member rotatable about a first axis, and each cartridge being rotatable about a second axis parallel to the first axis. The cartridges include a plurality of holes on an outer periphery thereof, and contain a supply of a granular ion exchange material capable of separating a desired component from the liquid. Means are provided for transferring liquid to be separated into the tank, and to discharge treated liquid from the cartridges to a location outside the tank.
    Type: Grant
    Filed: October 8, 1991
    Date of Patent: April 6, 1993
    Assignee: Kirin Beer Kabushiki Kaisha
    Inventors: Akira Suzuki, Shoichi Matsuda, Masafumi Ogata, Takanobu Inoue, Kimiaki Yasuda