Patents by Inventor Nobuaki Tsujino

Nobuaki Tsujino 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: 6913408
    Abstract: In order to provide a ring file that can preferably file much more sheet of papers or leaves, a file wherein a binding member 1 constituting a ring-shaped body to file papers or leaves is mounted on a cover sheet body 2 is so arranged that a pair of hinges are arranged at predetermined positions of the ring-shaped body and a portion 112 of the rig-shaped body locating ahead of the hinge can be inclined.
    Type: Grant
    Filed: December 2, 2003
    Date of Patent: July 5, 2005
    Assignee: Kokuyo Co., Ltd.
    Inventor: Nobuaki Tsujino
  • Publication number: 20040141800
    Abstract: In order to provide a ring file that can preferably file much more sheet of papers or leaves, a file wherein a binding member 1 constituting a ring-shaped body to file papers or leaves is mounted on a cover sheet body 2 is so arranged that a pair of hinges are arranged at predetermined positions of the ring-shaped body and a portion 112 of the rig-shaped body locating ahead of the hinge can be inclined.
    Type: Application
    Filed: December 2, 2003
    Publication date: July 22, 2004
    Applicant: Kokuyo Co., Ltd.
    Inventor: Nobuaki Tsujino
  • Patent number: 5904245
    Abstract: Holder members (11, 12) having a plurality of accommodation pockets (20) and an extension holder member (13) which can be connected between the holder members (11, 12) form a holder (10). An insertion portion (22) is formed in an end portion of each of the holder members (11, 12). On the other hand, a back-plate member (45) having an insertion portion (53) is attached to an end portion of the connection portion of the extension holder member (13). A connection member (14) having a pair of connection sections (30) for connecting the holder members (11 to 13) to one another has a structure such that the connection sections (30) are inserted into the insertion portions (22, 53).
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: May 18, 1999
    Assignee: Kokuyo Co., Ltd.
    Inventor: Nobuaki Tsujino
  • Patent number: D509535
    Type: Grant
    Filed: February 9, 2004
    Date of Patent: September 13, 2005
    Assignee: Kokuyo Co. Ltd.
    Inventor: Nobuaki Tsujino