Patents by Inventor Jun Kondo

Jun Kondo 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).

  • Double floor structure and support leg for double floor structure
    Patent number: 8434275
    Abstract: A double floor structure capable of being adapted to the conditions of construction and the needs of users at low cost. A double floor structure (K) provided with support legs (1) which are provided on a lower floor and rows of beams which form an upper floor. The support legs (1) are each provided with an upper member (14) which supports a beam from the lower side, an intermediate member (13) which supports the upper member (14) from the lower side, and a lower member (12) which supports the intermediate member (13) from the lower side. The upper member (14), the intermediate member (13), and the lower member (12) consist of metallic, extruded shape material and are disposed in such a manner that the direction of the extrusion is aligned with the top-bottom direction.
    Type: Grant
    Filed: August 3, 2010
    Date of Patent: May 7, 2013
    Assignees: Nippon Light Metal Company, Ltd., Nikkeikin Aluminium Core Technology Company Ltd., NTT Facilities, Inc.
    Inventors: Yakobu Hashimoto, Jun Kondo, Hiroshi Dohi, Mikio Suzuki, Daisuke Chiba, Masahiro Nammoku, Yasutomo Akashi, Kiyofumi Tanaka, Hideyuki Kaji, Takeshi Ono, Yoshiharu Konishi
  • Fuel injector with fuel pressure sensor
    Patent number: 8402949
    Abstract: A fuel injector for an internal combustion engine is provided. The fuel injector is equipped with a fuel pressure sensor which is installed in a metallic injector body. The fuel injector also includes an amplifier working to amplify an output of the fuel pressure sensor and a thermal insulating member disposed between the metallic injector body and the amplifier to shield the amplifier thermally, thereby ensuring the accuracy in measuring the pressure of fuel within the fuel injector.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: March 26, 2013
    Assignees: Denso Corporation, Nippon Soken, Inc.
    Inventors: Jun Kondo, Tooru Taguchi, Hideo Naruse, Fumiaki Arikawa
  • Fuel injector with fuel pressure sensor and electrical interconnection method of the same
    Patent number: 8402950
    Abstract: In a fuel injector, a body has formed therein a spray hole and a fuel supply passage. Fuel supplied to the fuel supply passage is delivered to the spray hole. A fuel pressure sensor produces a signal indicative of a pressure of the fuel. First terminals are attached to the fuel pressure sensor, and include a terminal for outputting the signal. The fuel pressure sensor is threadedly installed in the body while the plurality of first terminals are rotated about a preset axis. A connector includes a housing attached to the body, and second terminals supported by the housing for external electric connection of the fuel pressure sensor. Electrodes are each arranged to extend around the preset axis in a circular arc. Each of the electrodes electrically connects a corresponding one of the first terminals to a corresponding one of the second terminals.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: March 26, 2013
    Assignee: Denso Corporation
    Inventors: Tomoki Fujino, Jun Kondo, Yutaka Miyamoto
  • Travel control device for unmanned conveyance vehicle
    Patent number: 8406949
    Abstract: An unmanned conveyance vehicle (11) includes a detecting device (23) that has a plurality of sensing elements (25), first to fourth marker sensors (31-34) arranged on both sides of the sensing elements 25, and a magnetic member (35). The sensing elements (25) detect positions of guide tapes (12, 13) laid down along a road travel surface. The marker sensors (31-34) detect magnetic markers (14A-14D) laid down along the road travel surface. The magnetic member (35) is arranged above the sensing elements (25) and the marker sensors (31-34). When a left end (35a) of the magnetic member (35) moves to a position above the branch guide tape (13), the first marker sensor (31) operates, and the left end (35a) is magnetized to the north pole by the magnetic flux of the branch guide tape (13). A right end (35b) of the magnetic member (35) is magnetized to the south pole to operate the third marker sensor (33).
    Type: Grant
    Filed: March 12, 2010
    Date of Patent: March 26, 2013
    Assignee: Toyota Shatai Kabushiki Kaisha
    Inventor: Jun Kondo
  • Injector and method for making the same
    Patent number: 8402945
    Abstract: An injector includes a nozzle hole, a metal body including a high pressure passage inside the body, and a fuel pressure sensor attached to the body to detect fuel pressure. The sensor includes a metal flexure element resiliently deformed upon application of fuel pressure to the flexure element, and a sensor element that converts flexure in the flexure element into an electrical signal and outputs the signal as a pressure detection value. The body includes a sensor high pressure passage communicating with the flexure element, and a body side sealing surface on which the flexure element is pressed and closely-attached so that a clearance between the body and the flexure element is metal-to-metal sealed on the sealing surface. Carburizing treatment is performed on at least a part of the body that defines the sensor high pressure passage. The carburizing treatment is not performed on the sealing surface.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: March 26, 2013
    Assignee: Denso Corporation
    Inventors: Tomoki Fujino, Jun Kondo
  • Fuel injection device
    Patent number: 8398002
    Abstract: A fuel injection device includes a pressure control portion for controlling operation of a nozzle, and a body portion having therein a bent lead wire hole through which two lead wires of the pressure control portion are introduced to exterior. A first guide member having therein a pair of first guide grooves partitioned by a first partition member is inserted into the lead wire hole from one end side, a second guide member having therein a pair of second guide grooves partitioned by a second partition member is inserted into the lead wire hole from the other end side. The first partition member protrudes from one end portion of the first guide member to have a protrusion portion, which is fitted with a recess portion of the second partition portion at one end portion of the second guide member when the first and second guide members contact.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: March 19, 2013
    Assignee: Denso Corporation
    Inventors: Shu Kagami, Jun Kondo, Tomoki Fujino
  • Fuel injection valve
    Patent number: 8375924
    Abstract: A stem is installed to an injector body and is resiliently deformable upon receiving a pressure of high pressure fuel conducted through a high pressure passage of the injector body. A strain gauge is installed to the stem to sense a strain generated in the stem. A molded IC device executes an amplifying operation, which amplifies a signal received from the strain gauge. A housing is installed to the stem and holds the molded IC device. The stem, the strain gauge the molded IC device and the housing are integrally assembled together to form a fuel pressure sensing unit, which is installed to the injector body by threadably fastening a threaded portion, which is formed at the housing, to the injector body.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: February 19, 2013
    Assignee: Denso Corporation
    Inventors: Jun Kondo, Tomiko Fujino
  • Fuel injection valve
    Patent number: 8365705
    Abstract: A stem is installed to an injector body and is resiliently deformable upon receiving a pressure of high pressure fuel conducted through a high pressure passage of the injector body. A strain gauge is installed to the stem to sense a strain generated in the stem. A molded IC device executes an amplifying operation, which amplifies a signal received from the strain gauge. A retainer is threadably fastened to the injector body and is configured to be rotatable relative to the stem. The stem, the strain gauge the molded IC device are integrally assembled together to form a fuel pressure sensing unit, which is installed to the injector body by threadably fastening a threaded portion of the retainer to the injector body.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: February 5, 2013
    Assignee: Denso Corporation
    Inventors: Jun Kondo, Tomiko Fujino, Hiroshi Tsuda
  • Injector
    Patent number: 8342155
    Abstract: An injector has a body that defines a high-pressure passage for passing high-pressure fuel to an injection hole inside, a needle that is accommodated in the body and that opens and closes the injection hole, an electric actuator that causes the needle to perform the opening and closing action, a lead wire that is arranged in a lead wire insertion hole formed in the body and that supplies an electric power to the electric actuator, and a fuel pressure sensor that is fixed to the body and that senses pressure of the high-pressure fuel. An outlet hole, via which the lead wire extends from the lead wire insertion hole to an outside of the body, is located at a position closer to the injection hole than the fuel pressure sensor is.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: January 1, 2013
    Assignee: Denso Corporation
    Inventors: Tomoki Fujino, Jun Kondo, Shu Kagami
  • Connector
    Patent number: 8333176
    Abstract: A connector includes a body portion having an inner peripheral surface defining a cylindrical insertion hole for inserting therein a connection member and an O-ring. A recess portion is provided in the inner peripheral surface of the body portion, and is opened in the body portion in a radial direction of the body portion, at a position on an inlet side of the insertion hole than the arrangement position of the O-ring. Furthermore, the recess portion extends in an axial direction of the body portion and has an end portion on a side of an arrangement position of the O-ring, and the end portion of the recess portion becomes in an acute angle shape which is acute toward the arrangement position of the O-ring. Alternatively, an angle reducing portion may be provided in the recess portion on a side of the arrangement position of the O-ring.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: December 18, 2012
    Assignee: Denso Corporation
    Inventors: Yoshinori Okuno, Jun Kondo
  • Fuel injection valve and fuel injection device
    Patent number: 8297259
    Abstract: It is equipped with an injector body 4z which has formed therein high-pressure paths 6az, 6bz, and 6cz through which high-pressure fuel flows to a spray hole and stores therein a piezo-actuator 2z (i.e., an opening/closing mechanism) and a back-pressure control mechanism 3z (i.e., an opening/closing mechanism) which open or close the spray hole, and a fuel pressure sensor 50z installed in the body 4z to measure the pressure of the high-pressure fuel. The body 4z has formed therein a branch path 6ez diverging from the high-pressure paths 6bz and 6cz to deliver the high-pressure fuel to the fuel pressure sensor 50z.
    Type: Grant
    Filed: October 27, 2008
    Date of Patent: October 30, 2012
    Assignees: Denso Corporation, Nippon Soken, Inc.
    Inventors: Jun Kondo, Tooru Taguchi, Fumiaki Arikawa, Daiji Ueda, Akitoshi Yamanaka
  • DOUBLE-HEADED PISTON TYPE SWASH PLATE COMPRESSOR
    Publication number: 20120251344
    Abstract: A double-headed piston type swash plate compressor is provided with a front housing including a suction chamber, a rear housing, a cylinder block, a rotation shaft, and double-headed pistons. The cylinder block includes cylinder bores, a rotation shaft accommodation bore, a communication conduit that communicates the suction chamber with the rotation shaft accommodation bore, and suction passages communicating the rotation shaft accommodation bore to front compression chambers. The rotation shaft includes a groove passage that communicates with the suction passages. Further, the rotation shaft includes an annular groove that communicates the communication conduit with the groove passage. The annular groove includes a front side surface, which is spaced toward the rear housing from an opening of the rotary shaft accommodation bore that faces the front housing.
    Type: Application
    Filed: March 22, 2012
    Publication date: October 4, 2012
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Toshiyuki KOBAYASHI, Mitsuyo ISHIKAWA, Jun KONDO
  • SENSOR APPARATUS INTEGRATED TO INJECTOR OF INTERNAL COMBUSTION ENGINE
    Publication number: 20120247194
    Abstract: A sensor apparatus that outputs an electrical signal responding to a physical quantity is provided. The sensor apparatus includes: a housing being screwed to a body and having an insertion hole; an electrical circuit section having an electrical component used for processing the electrical signal, being disposed at an one end side of the housing and integrated with the housing; and a plurality of pins inserted through the electrical circuit section, a first end of the pin being inserted into the insertion hole to be fixed therewith, a second end of the pin being protruded from the electrical circuit section to be capable of engaging with a jig. The jig is used to screw the housing to the body after the housing and the electrical circuit are integrated with each other.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 4, 2012
    Applicant: DENSO CORPORATION
    Inventors: Kazufumi SERIZAWA, Jun Kondo
  • SENSOR DEVICE
    Publication number: 20120247195
    Abstract: A sensor device where a jig is engaged to an engaging part formed in the housing, and the housing is rotated by the jig and screwed into the member to be mounted. A position in the rotating direction of the housing is configured to have a substantially constant position at the time the screw-fixing of the housing and the member to be mounted is completed. A shape of the engaging part when seen along a direction of a rotational axis X of the housing is formed into a non-regular polygon, and the engaging part and a mold IC are shifted and disposed to a side that has a margin in a space in the housing or around the mold IC so that the space around the sensor device is used effectively.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 4, 2012
    Applicant: DENSO CORPORATION
    Inventors: Jun Kondo, Kazufumi Serizawa
  • ELECTRONIC COMPONENT DEVICE PROVIDED WITH COUNTERMEASURE FOR ELECTRICAL NOISE
    Publication number: 20120247193
    Abstract: The electronic component device includes an electronic component such as a pressure sensor for detecting pressure of fuel injected into an internal combustion engine, an insulating member made of an insulative resin and sealing the electronic component, and a shield member made of a conductive resin and surrounding the insulating member.
    Type: Application
    Filed: March 30, 2012
    Publication date: October 4, 2012
    Applicant: DENSO CORPORATION
    Inventors: Jun KONDO, Kazufumi Serizawa
  • CYLINDER BLOCK OF PISTON-TYPE COMPRESSOR AND METHOD FOR MANUFACTURING THE SAME
    Publication number: 20120237369
    Abstract: A cylinder block of a piston-type compressor includes a main cylinder block, a shaft hole formed through the main cylinder block, a plurality of cylinder bores formed in the main cylinder block around the shaft hole, a separation wall formed integrally with the main cylinder block and closing one end of the cylinder bore, a first hole formed through the separation wall and a second hole formed linearly and connecting the cylinder bore and the shaft hole. The first hole is formed so that the first hole is located on an extended line of axis Q of the second hole and the diameter of the first hole is equal to or more than that of the second hole.
    Type: Application
    Filed: March 12, 2012
    Publication date: September 20, 2012
    Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI
    Inventors: Toshiyuki KOBAYASHI, Mitsuyo ISHIKAWA, Jun KONDO
  • Connector
    Patent number: 8267431
    Abstract: A connector includes a body portion having a cylindrical insertion hole for inserting therein a connection member, and a cylindrical connector cover. The body portion includes a claw portion elastically deformable to a radial outside. The connector cover includes a claw release portion through which a limitation of an elastic deformation of the claw portion is released, and a claw limiting portion configured to limit the elastic deformation of the claw portion toward the radial outside. When the connector cover is located at a release position, the claw release portion is opposite to the claw portion but the claw limiting portion is not opposite to the claw portion. In contrast, when the connector cover is moved to a lock position, the claw limiting portion is opposite to the claw portion, and the claw portion is engaged with an engagement portion provided on the connection member.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: September 18, 2012
    Assignee: Denso Corporation
    Inventors: Yoshinori Okuno, Jun Kondo
  • Connector
    Patent number: 8262137
    Abstract: A connector includes a body portion having a cylindrical insertion hole for inserting therein a connection member, and a cylindrical connector cover. The body portion includes a claw portion elastically deformable to a radial outside. A claw release portion and a claw covering portion are arranged in the connector cover in a rotation direction. When the connector cover is located at a release position where the body portion is detachable from the connection member, the claw release portion is opposite to the claw portion, and the claw covering portion is not opposite to the claw portion. Furthermore, when the connector cover is rotated from the release position to a lock position in a connection state between the body portion and the connection member, the claw covering portion is opposite to the claw portion, and the claw portion is engaged with an engagement portion of the connection member.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: September 11, 2012
    Assignee: Denso Corporation
    Inventors: Yoshinori Okuno, Jun Kondo
  • OPTICAL ELEMENT, SCREEN, AND DISPLAY DEVICE
    Publication number: 20120224109
    Abstract: A screen includes a light diffusion layer in which microcapsules, each having therein a light diffusion liquid that scatters light for displaying a video image, are planarly arranged. The light diffusion layer is fixed to a supporting sheet by a binder material. On a surface of the supporting sheet, a Fresnel lens is formed. A light diffusion plate is made up of the light diffusion layer and the supporting sheet. The screen is made up of the light diffusion plate and a light diffusion plate. Scattering distribution of a scattered wave of light that passes through the light diffusion layer temporally changes.
    Type: Application
    Filed: December 8, 2010
    Publication date: September 6, 2012
    Inventors: Satoru Okagaki, Eiji Yokoyama, Tomohiro Sasagawa, Jun Kondo, Muneharu Kuwata, Kuniko Kojima, Yuzo Nakano
  • Fuel injector with built-in fuel pressure sensor
    Patent number: 8224554
    Abstract: A fuel injector for an internal combustion engine is provided which has a fuel supply path and a nozzle chamber. The fuel supply path extends a spray hole. The nozzle chamber is defined in the fuel supply path. A nozzle is disposed within the nozzle chamber to establish or block a fluid communication between the fuel supply path and the spray hole. A fuel pressure sensor is installed in the fuel injector so as to be exposed to the fuel in the nozzle chamber. Specifically, the fuel pressure sensor is located closer to the spray hole than a prior art structure in which the fuel pressure sensor is installed in a fuel supply pipe, thus resulting in increased accuracy in measuring a change in pressure of the fuel arising from the spraying of the fuel from the spray hole.
    Type: Grant
    Filed: March 25, 2009
    Date of Patent: July 17, 2012
    Assignee: Denso Corporation
    Inventors: Jun Kondo, Tooru Taguchi