Patents by Inventor Masaaki Kashiwabuchi

Masaaki Kashiwabuchi 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).

  • Deodorizer device
    Patent number: 5078971
    Abstract: A deodorizer device for use in a refrigerator has an absorbent capable of absorbing odor components from air, a layer of a photocatalyst deposited on the surface of the absorbent, and a light source for illuminating the photocatalyst layer to excite the same. Air containinig odor components is forced by a blower to flow through the absorbent.
    Type: Grant
    Filed: December 14, 1989
    Date of Patent: January 7, 1992
    Assignee: Hitachi, Ltd.
    Inventors: Michiya Matuda, Tooru Kobayashi, Fumikazu Washimi, Masaei Kawashima, Masaaki Kashiwabuchi, Kikuzi Takahashi, Atsushi Kanai
  • Refrigerating apparatus having a stink removing device
    Patent number: 4955208
    Abstract: A photocatalystic decomposing apparatus comprises absorbent including honeycomb form active carbon and titanium oxide acting as photocatalyst applied to a surface of the active carbon, and a light source for generating ultraviolet rays exciting the photocatalyst. Stink ingredient is absorbed to the active carbon by passing air flow through openings in the honeycomb, and the absorbed stink ingredient is decomposed by exciting the photocatalyst due to application of the ultraviolet rays.
    Type: Grant
    Filed: January 8, 1990
    Date of Patent: September 11, 1990
    Assignee: Hitachi, Ltd.
    Inventors: Masaei Kawashima, Reishi Naka, Teruo Tsunoda, Nobuyoshi Suenaga, Syozo Ogawa, Masaaki Kashiwabuchi, Miyakichi Kameda, Koosuke Tanaka
  • Apparatus for removing stink
    Patent number: 4954465
    Abstract: A photocatalystic decomposing apparatus comprises absorbent including honeycomb form active carbon and titanium oxide acting as photocatalyst applied to a surface of the active carbon, and a light source for generating ultraviolet rays exciting the photocatalyst. Stink ingredient is absorbed to the active carbon by passing air flow through openings in the honeycomb, and the absorbed stink ingredient is decomposed by exciting the photocatalyst due to application of the ultraviolet rays.
    Type: Grant
    Filed: January 11, 1989
    Date of Patent: September 4, 1990
    Assignee: Hitachi, Ltd.
    Inventors: Masaei Kawashima, Reishi Naka, Teruo Tsunoda, Nobuyoshi Suenaga, Syozo Ogawa, Masaaki Kashiwabuchi, Miyakichi Kameda, Koosuke Tanaka