Patents by Inventor Fumio Nakadaira

Fumio Nakadaira 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).

  • Strap and attaching structure thereof
    Patent number: 6418593
    Abstract: A rational and economical strap and a strap attaching structure are provided which allow a hand strap and a neck strap to be attached in a non-independent manner and provide superior working efficiency. A hand strap has engagement portions at ends thereof which can engage with corresponding anchorage portions provided on the apparatus, and each engagement portion has an attaching portion to which a corresponding end portion on a neck strap is attached.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: July 16, 2002
    Assignee: Fujitsu Limited
    Inventors: Fumio Nakadaira, Shinichiro Tsurumaru, Shuji Sasaki
  • Strap and attaching structure thereof
    Publication number: 20020026691
    Abstract: A rational and economical strap and a strap attaching structure are provided which allow a hand strap and a neck strap to be attached in a non-independent manner and provide superior working efficiency. A hand strap has engagement portions at ends thereof which can engage with corresponding anchorage portions provided on the apparatus, and each engagement portion has an attaching portion to which a corresponding end portion on a neck strap is attached.
    Type: Application
    Filed: July 20, 2001
    Publication date: March 7, 2002
    Applicant: FUJITSU LIMITED
    Inventors: Fumio Nakadaira, Shinichiro Tsurumaru, Shuji Sasaki
  • Battery lock mechanism for portable device
    Patent number: 6302454
    Abstract: A battery lock mechanism includes a first sliding operation member and a second sliding operation member. When the second sliding operation member is operated, a battery is released from a locked condition. Initially, an operation knob of the first sliding operation member is exposed through a rectangular window. When the first sliding operation member is driven in a first direction, the operation knob of the second sliding operation member is exposed through the rectangular window so that the second sliding operation member becomes movable in a second direction different from the first direction.
    Type: Grant
    Filed: March 6, 2000
    Date of Patent: October 16, 2001
    Assignee: Fujitsu Limited
    Inventors: Shinichiro Tsurumaru, Fumio Nakadaira
  • Locking structure for covering element
    Patent number: 6189938
    Abstract: A locking structure for releasably locking a covering element in a closed position on a unit housing. The locking structure includes a resiliently engaging member integrally formed on the covering element, and a supporting member pivotably connected to the covering element. The resiliently engaging member includes a pair of resilient first supports projecting from the covering element, a bar connecting the respective free ends of the resilient first supports with each other and a pair of projections formed on the bar to be releasably engaged with the housing. The supporting member includes a base plate pivotably connected to the covering element and a second support extending from the base plate to be releasably engaged with the resiliently engaging member. In a locked position of the locking structure, the bar is stably supported by the second support so that the projections are kept in engagement with the housing.
    Type: Grant
    Filed: September 10, 1998
    Date of Patent: February 20, 2001
    Assignees: Fujitsu Limited, Fujitsu Kiden LTD
    Inventors: Fumio Nakadaira, Mitsuaki Kumagai, Takao Obata, Toshiyuki Kobayashi
  • Battery lock mechanism for portable device
    Patent number: 6051334
    Abstract: A battery lock mechanism includes a first sliding operation member and a second sliding operation member. When the second sliding operation member is operated, a battery is released from a locked condition. Initially, an operation knob of the first sliding operation member is exposed through a rectangular window. When the first sliding operation member is driven in a first direction, the operation knob of the second sliding operation member is exposed through the rectangular window so that the second sliding operation member becomes movable in a second direction different from the first direction.
    Type: Grant
    Filed: March 3, 1998
    Date of Patent: April 18, 2000
    Assignee: Fujitsu Limited
    Inventors: Shinichiro Tsurumaru, Fumio Nakadaira