Patents by Inventor Katsuhide Yokota

Katsuhide Yokota 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).

  • Flash dryer for particulate materials
    Patent number: 8522793
    Abstract: A flash dryer of cut tobacco comprises a drying duct (16) for connecting a feeding section (14) of cut tobacco to a tangential separator (18). The drying duct (16) has an upstream-side duct portion (16a) extending straight from the feeding section (14) at an elevation angle ranging from 30° to 60° and a downstream-side duct portion (16b) curving upward in a convex shape. A dry gas that flows through the drying duct (16) may contain superheated steam.
    Type: Grant
    Filed: May 14, 2004
    Date of Patent: September 3, 2013
    Assignee: Japan Tobacco Inc.
    Inventors: Yasuhiro Ohdaka, Chihiro Hanaoka, Nobuyasu Endo, Akihiro Sugiyama, Katsuhide Yokota, Susumu Uchida
  • Method of controlling moisture of material and apparatus therefore
    Patent number: 6931758
    Abstract: An apparatus for carrying out a method of controlling the moisture of tobacco material comprises a hollow rotating cylinder (6) having an inlet (4) and an outlet (8) for tobacco material, and a feeding device for supplying a moist air flow into the rotating cylinder (6) such that the moist air flow runs out from the inlet (4) toward the outlet (8) within the rotating cylinder (6). Temperature and relative humidity of the moist air flow supplied into the rotating cylinder (6) are within the range of 40-80° C. and 80-95%, respectively.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: August 23, 2005
    Assignee: Japan Tobacco, Inc.
    Inventors: Koji Sakamoto, Susumu Uchida, Katsuhide Yokota, Takashi Ogawa, Kazuo Yoshimoto
  • Method of controlling moisture of material and apparatus therefore
    Publication number: 20050034321
    Abstract: An apparatus for carrying out a method of controlling the moisture of tobacco material comprises a hollow rotating cylinder (6) having an inlet (4) and an outlet (8) for tobacco material, and a feeding device for supplying a moist air flow into the rotating cylinder (6) such that the moist air flow runs out from the inlet (4) toward the outlet (8) within the rotating cylinder (6). Temperature and relative humidity of the moist air flow supplied into the rotating cylinder (6) are within the range of 40-80° C. and 80-95%, respectively.
    Type: Application
    Filed: August 23, 2004
    Publication date: February 17, 2005
    Inventors: Koji Sakamoto, Susumu Uchida, Katsuhide Yokota, Takashi Ogawa, Kazuo Yoshimoto
  • Flash dryer for particulate materials
    Publication number: 20040205978
    Abstract: A flash dryer of cut tobacco comprises a drying duct (16) for connecting a feeding section (14) of cut tobacco to a tangential separator (18). The drying duct (16) has an upstream-side duct portion (16a) extending straight from the feeding section (14) at an elevation angle ranging from 30° to 60° and a downstream-side duct portion (16b) curving upward in a convex shape. A dry gas that flows through the drying duct (16) may contain superheated steam.
    Type: Application
    Filed: May 14, 2004
    Publication date: October 21, 2004
    Inventors: Yasuhiro Ohdaka, Chihiro Hanaoka, Nobuyasu Endo, Akihiro Sugiyama, Katsuhide Yokota, Susumu Uchida