Patents by Inventor Mitsuru Kawai

Mitsuru Kawai 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: 5295859
    Abstract: An electric connector is comprised of: a housing; a clamper for clamping a multicore cable formed with a plurality of sheathed cable elements bound by an outer jacket, a predetermined length of the outer jacket at an end thereof being removed; and a contact holder accommodated and held in the housing, a portion of the contact holder projecting from the housing being adapted to be inserted into a mating connector. The clamper includes a clamper body for clamping the outer jacket and a wing-like portion projecting radially from the clamper body. Contacts are fitted in the contact holder in such a manner as to be respectively connected to tips of core wires which are exposed with portions of respective sheaths of the plurality of sheathed cable elements removed.
    Type: Grant
    Filed: October 8, 1992
    Date of Patent: March 22, 1994
    Assignee: Hirose Electric Co., Ltd.
    Inventors: Mitsuru Kawai, Masaru Yoshida, Eiji Kunii, Kouzou Uekido
  • Patent number: 5169323
    Abstract: A multiple pole electrical connector includes a cylindrical metal shell (6); and insulation housing (7) placed within the metal shell and having a plurality of ground member recesses (20) formed on its circumferential surface; a plurality of detachable terminals (8) supported by the insulation housing, one of the detachable terminals serving as a ground terminal (9); and a detachable ground member (23) mounted on the ground terminal with a shell contact portion (24) thereof fitted in the ground member recess such that when the insulation housing is placed within the metal shell, the shell contact portion comes into close contact with an inside of the metal shell.
    Type: Grant
    Filed: June 14, 1991
    Date of Patent: December 8, 1992
    Assignee: Hirose Electric Co., Ltd.
    Inventors: Mitsuru Kawai, Masaru Yoshida, Yoshihiro Sasaki
  • Patent number: 5151033
    Abstract: An electrical plug (1) includes a conductive shell (6) having an inner stopper shoulder (66); an insulation housing (7) placed within the conductive shell and having at least one terminal mounting aperture (22); at least one detachable terminal (8) mounted in the terminal mounting apertures; a detachable ground terminal (9) mounted in the terminal mounting aperture; a retention member (10) for retaining the detachable terminal and the detachable ground terminal; a conductive stopper ring (32) for cooperating with the inner stopper shoulder of the conductive shell to hold the insulation housing and the retention member within the conductive shell; a detachable ground member (23) attached to the ground terminal such that part of the ground member is brought into contact with the conductive stopper ring.
    Type: Grant
    Filed: August 2, 1991
    Date of Patent: September 29, 1992
    Assignee: Hirose Electric Co., Ltd.
    Inventors: Mitsuru Kawai, Masaru Yoshida, Yoshiro Sasaki
  • Patent number: 5151035
    Abstract: An electrical plug (1) includes a conductive shell (6); an insulation housing (7) placed within the conductive shell and having at least one terminal mounting aperture (22); at least one detachable terminal (8) mounted in the terminal mounting apertures; a detachable ground terminal (9) mounted in the terminal mounting aperture; a retainer member (10) for retaining the detachable terminal and the detachable ground terminal; and a detachable ground member (23) attached to the ground terminal and having a comb contact (24) held between the conductive shell and the insulation housing.
    Type: Grant
    Filed: August 8, 1991
    Date of Patent: September 29, 1992
    Assignee: Hirose Electric Co., Ltd.
    Inventors: Mitsuru Kawai, Masaru Yoshida, Yoshihiro Sasaki
  • Patent number: 4983127
    Abstract: An electrical connector includes an insulating housing (100) consisting of a front section (111) and a rear section (112), the front section having a cylindrical contact support section (120) with a plurality of contact apertures (121) extending along its longitudinal axis and the rear section having a rear cavity (119) in a lower portion thereof; a plurality of L-shaped contact elements (300) each having a contact portion (301), an intermediate portion (302) extending rearwardly from the contact portion, and a terminal portion (303) extending downwardly from the intermediate portion, the contact portion being fitted into the contact aperture; and a block member (200) having a plurality of lateral channels (201) for receiving the intermediate portions and a plurality of vatical apertures (202) for receiving the terminal portions, the block member being fitted into the rear cavity so that the intermediate and terminal portions are fitted into the lateral channels and the vertical apertures respectively.
    Type: Grant
    Filed: September 15, 1989
    Date of Patent: January 8, 1991
    Assignee: Hirose Electric Co., Ltd.
    Inventors: Mitsuru Kawai, Masaru Yoshida, Yoshihiro Sasaki
  • Patent number: 4964815
    Abstract: An electrical connector which includes an insulating housing (30) containing a plurality of contacts (40); a cylindrical member for enclosing and supporting the insulating housing; and an insulating jacket (50) molded around the cylindrical member and a terminated section of a cable (70). The cylindrical member is divided into two semi-cylindrical sections (10, 20) in a plane parallel to its axis. The semi-cylindrical section (10) has a recessed joint edge or mortise and the semi-cylindrical section (20) has a projected joint edge or tenon corresponding to the recessed joint edge.
    Type: Grant
    Filed: September 8, 1989
    Date of Patent: October 23, 1990
    Assignee: Hirose Electric Co., Ltd.
    Inventors: Mitsuru Kawai, Masaru Yoshida, Yoshihiro Sasaki
  • Patent number: 4946400
    Abstract: A mounting structure includes an insulating housing (10) having an annular recess (14) extending rearwardly from a front end thereof for receiving a shell member of a mating connector; a metal end face protection member (40) attached to the front end and having a circular opening (41) for receiving the shell member; a pair of attachment sections (43) extend rearwardly from opposite sides of the end face protection member; a pair of leg members (45) extending downwardly from lower edges of the attachment sections to be secured to a printed circuit board (50); and a latch device (13B) provided within the insulating housing for engagement with the attachment sections whereby the end face protection member is locked to the insulating housing.
    Type: Grant
    Filed: September 15, 1989
    Date of Patent: August 7, 1990
    Assignee: Hirose Electric Co., Ltd.
    Inventors: Mitsuru Kawai, Masaru Yoshida, Yoshihiro Sasaki
  • Patent number: 4938714
    Abstract: An electrical connector has an insulating housing having an annular recess for receiving the shell member of a mating connector; a cylindrical shield member fitted in the annular recess, which includes shield contacts extending in radial directions from a front edge of the shield member; a detachable end face protection member attached to the front end of the insulating housing for protection thereof, which includes an latch member for latching the detachable end face protection member to the front end, whereby the shield contact comes into contact a backside of the end face protection member.
    Type: Grant
    Filed: September 8, 1989
    Date of Patent: July 3, 1990
    Assignee: Hirose Electric Co., Ltd.
    Inventors: Mitsuru Kawai, Masaru Yoshida, Yoshihiro Sasaki
  • Patent number: 4936795
    Abstract: An electrical connector includes an insulating housing having an annular recess extending rearwardly from a front end thereof and a shield member having a cylindrical wall fitted into the annular recess, a plurality of contact lugs extending outwardly in radial directions from a front edge thereof, and a leg member for connection with a shield circuit of a printed circuit board. The shield member has a plurality of first cantilever contacts bent outwardly and then inwardly forming an outward projection for contact with a metal shield provided on an inside of a mating shell member and a plurality of second cantilever contacts bent inwardly and then outwardly forming an inward projection for contact with a metal shield provided on an outside of the mating shell member.
    Type: Grant
    Filed: September 8, 1989
    Date of Patent: June 26, 1990
    Assignee: Hirose Electric Co., Ltd.
    Inventors: Mitsuru Kawai, Masaru Yoshida, Yoshihiro Sasaki