Patents by Inventor Shigeru Ohsawa

Shigeru Ohsawa 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: 9995068
    Abstract: A door locking device includes: a pivot end wall portion extending from a pivot end side of a door 131, and having a first through-hole formed therein; an opposed wall portion 20 being opposed to the pivot end wall portion when the door 131 is closed, and having a second through-hole 23A, 23B formed therein; a key cylinder including a movable element 33 configured to be displaced in accordance with unlocking/locking operation; and a pivot hook 40A, 40B configured to interlock with the movable element 33. When the door is unlocked, the pivot hook 40A, 40B retreats to an inner side of the door 131 with respect to the first through-hole, whereas when the door is locked, the pivot hook enters the second through-hole 23A, 23B via the first through-hole to keep the door 131 and a door 132 closed.
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: June 12, 2018
    Assignee: NEC Platforms, Ltd.
    Inventors: Junichi Sato, Shigeru Ohsawa
  • Publication number: 20160123051
    Abstract: A door locking device includes: a pivot end wall portion extending from a pivot end side of a door 131, and having a first through-hole formed therein; an opposed wall portion 20 being opposed to the pivot end wall portion when the door 131 is closed, and having a second through-hole 23A, 23B formed therein; a key cylinder including a movable element 33 configured to be displaced in accordance with unlocking/locking operation; and a pivot hook 40A, 40B configured to interlock with the movable element 33. When the door is unlocked, the pivot hook 40A, 40B retreats to an inner side of the door 131 with respect to the first through-hole, whereas when the door is locked, the pivot hook enters the second through-hole 23A, 23B via the first through-hole to keep the door 131 and a door 132 closed.
    Type: Application
    Filed: June 18, 2014
    Publication date: May 5, 2016
    Applicant: NEC Platforms, Ltd.
    Inventors: Junichi SATO, Shigeru OHSAWA
  • Patent number: 5463676
    Abstract: A key telephone system with a voice storage equipment has means for memorizing voice mail messages, sender and receiver phone numbers, a recording time and means for displaying the recording status of the voice mail messages in the voice storage equipment on a display of the key set and a display panel connected with a main equipment.
    Type: Grant
    Filed: February 22, 1993
    Date of Patent: October 31, 1995
    Assignee: Nitsuko Corporation
    Inventor: Shigeru Ohsawa