Patents by Inventor Tomiharu NAGATA

Tomiharu NAGATA 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).

  • Filter for cigarette product and cigarette product
    Patent number: 10667550
    Abstract: The filter for cigarette product includes a mouthpiece end side-filter material and a front stage-filter material. The mouthpiece end side-filter material has a low air flow-resistance unit that is arranged in a part of a cross section from a front end surface to a rear end surface and having a relatively low air flow-resistance, and a high air flow-resistance unit that is arranged in the remainder of the cross section from the front end surface to the rear end surface and having a higher air flow-resistance than the low air flow-resistance unit. At least on the rear end surface of the mouthpiece end side-filter material, the low air flow-resistance unit is arranged only in one semicircular area, of two parts into which the cross section of the mouthpiece end side-filter material is divided.
    Type: Grant
    Filed: September 12, 2017
    Date of Patent: June 2, 2020
    Assignee: JAPAN TOBACCO INC.
    Inventors: Kenji Ito, Yu Ninomiya, Tomiharu Nagata, Hiroyuki Torai, Sadao Ogi, Kazumasa Arae
  • FILTER FOR CIGARETTE PRODUCT AND CIGARETTE PRODUCT
    Publication number: 20180000152
    Abstract: The filter for cigarette product includes a mouthpiece end side-filter material and a front stage-filter material. The mouthpiece end side-filter material has a low air flow-resistance unit that is arranged in a part of a cross section from a front end surface to a rear end surface and having a relatively low air flow-resistance, and a high air flow-resistance unit that is arranged in the remainder of the cross section from the front end surface to the rear end surface and having a higher air flow-resistance than the low air flow-resistance unit. At least on the rear end surface of the mouthpiece end side-filter material, the low air flow-resistance unit is arranged only in one semicircular area, of two parts into which the cross section of the mouthpiece end side-filter material is divided.
    Type: Application
    Filed: September 12, 2017
    Publication date: January 4, 2018
    Applicant: JAPAN TOBACCO INC.
    Inventors: Kenji ITO, Yu NINOMIYA, Tomiharu NAGATA, Hiroyuki TORAI, Sadao OGI, Kazumasa ARAE