Patents by Inventor Katsutoshi Fukunaga

Katsutoshi Fukunaga 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).

  • Publication number: 20050023840
    Abstract: A door lock device includes a latch mechanism selectively engaging with a striker, an open unit operating at a plane surface perpendicular to one direction for transmitting an opening operational force from a vehicle inside and from a vehicle outside to operate the latch mechanism from an engaged state with the striker to the disengaged state from the striker, and a lock unit operating at a plane surface perpendicular to said one direction for transmitting an operational force to the open unit for operating the open unit to be an unlocked state for transmitting the opening operational force to the latch mechanism and a locked state not for transmitting the opening operational force to the latch mechanism.
    Type: Application
    Filed: February 13, 2004
    Publication date: February 3, 2005
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Katsutoshi Fukunaga, Makoto Suzumura, Shigehiro Oya, Akira Muramatsu, Yukinobu Kunimatsu
  • Publication number: 20040262928
    Abstract: A door lock device for vehicle includes a latch mechanism adapted to be a vehicle door at an inner space of the vehicle door for holding the vehicle door in closing condition against a vehicle body and sifted between an engaging condition and a disengaging condition, a link mechanism for shifts the latch mechanism from the engaging condition to the disengaging condition by an operation of a door handle mechanism which includes a handle member and a frame member arranged in the inner space of the vehicle door for supports the handle member to the vehicle door and connection means for detachably connected with the frame member of the door handle mechanism.
    Type: Application
    Filed: May 26, 2004
    Publication date: December 30, 2004
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Katsutoshi Fukunaga, Makoto Suzumura, Shigehiro Oya, Akira Muramatsu, Yukinobu Kunimatsu
  • Publication number: 20040262927
    Abstract: A door lock device includes a latch mechanism engageable with or disengageable from a striker, an open unit transmitting an opening operation force to the latch mechanism for disengaging the latch mechanism from the engagement with the striker, a lock unit transmitting locking and unlocking operation forces to the open unit for operating the open unit between an unlocking condition where the opening operation force is transmittable to the latch mechanism and a locking condition where the opening operation force is not transmittable to the latch mechanism, an actuator for outputting the locking and unlocking operation forces. The door lock device further includes a housing for storing the latch mechanism, the open unit, the lock unit and the actuator as a unit, and a case provided within the housing for accommodating at least the actuator.
    Type: Application
    Filed: January 30, 2004
    Publication date: December 30, 2004
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Katsutoshi Fukunaga, Makoto Suzumura, Shigehiro Oya, Akira Muramatsu, Yukinobu Kunimatsu, Takashi Nishio, Shigeru Tanabe
  • Publication number: 20040251695
    Abstract: A vehicle door outside handle apparatus includes a handle frame fixed to a vehicle door, a handle portion supported on the handle frame, at least one electrical component housed in the handle portion, a handle-side connected portion provided at the handle portion and electrically connected to the at least one electrical component housed in the handle portion, and a frame-side connected portion provided at the handle frame. The frame-side connected portion is adapted to be engaged with the handle-side connected portion. The frame-side connected portion can be then electrically connected with the handle-side connected portion.
    Type: Application
    Filed: January 29, 2004
    Publication date: December 16, 2004
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Norikazu Kobayashi, Koji Aoki, Koichi Hirota, Katsutoshi Fukunaga, Yoshimi Nakatani, Masayuki Ohtsugu, Megumi Nakakura
  • Publication number: 20040189016
    Abstract: A torque transmitting member, rotating around a first rotation center for transmitting a torque from a driving source to an output side member for rotating the output side member from a first position to a second position around a second rotation center differentiated from the first rotation center, includes a convex portion provided at a portion between the first rotation center and the second rotation center different from the first rotation center, the convex portion including a configuration extended in a radial direction and having an outer surface, and a contacting portion formed at the outer surface of the convex portion at the closest position to the first rotation center for always contacting the output side member at a predetermined position within a predetermined angle defined by a rotation of the output side member from the first position to the second position.
    Type: Application
    Filed: December 23, 2003
    Publication date: September 30, 2004
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Katsutoshi Fukunaga, Makoto Suzumura, Shigehiro Oya, Akira Muramatsu, Yukinobu Kunimatsu
  • Publication number: 20040182122
    Abstract: A latch mechanism includes a first base plate, a second base plate facing to the first base plate and having a first base portion, a second base portion, and a recess provided between the first base portion and the second base portion. The latch mechanism further includes a latch rotating relative to a first shaft supported by the first base plate and the first base portion and including an arm portion extending from the first base portion side toward the second base portion side when positioned in a predetermined rotating position thereof, a pawl rotating relative to a second shaft supported by the first base plate and the second base plate, and engaging with the arm portion when the latch is in the predetermined rotating position, and a connecting member connecting the first base plate with the second base plate, and provided at the second shaft side relative to a base line extending along the arm portion when the latch is in the predetermined rotating position.
    Type: Application
    Filed: December 23, 2003
    Publication date: September 23, 2004
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Katsutoshi Fukunaga, Makoto Suzumura, Shigehiro Oya, Akira Muramatsu, Yukinobu Kunimatsu
  • Publication number: 20040160126
    Abstract: A vehicle door operation system for operating a first door and a second door provided to a vehicle includes a sending means, a portable station carried by a user, a receiving means, a judging means, an object detecting means including an electrical capacitance sensor for detecting a human approach, an opening operation means provided to the second door, a first control means for switching the first door and the second door from a locked condition to an unlocked condition when the ID information is verified as correct information by the judging means, and either an object detecting signal from the object detecting means or an opening operation signal from the opening operation means is input thereinto, and a second control means for actuating a supporting means supporting the second door relative to the vehicle to release the second door when the ID information is verified as correct information by the judging means, and the opening operation signal from the opening operation means is input thereinto.
    Type: Application
    Filed: November 28, 2003
    Publication date: August 19, 2004
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Koji Aoki, Yuichi Murakami, Katsutoshi Fukunaga, Akio Sugiki, Norikazu Kobayashi, Koichi Hirota
  • Publication number: 20040154362
    Abstract: A vehicle door operating apparatus operated for opening a vehicle door, comprises an opening operation member provided at the vehicle door outside of a compartment and operated for rotating a latch mechanism of the vehicle door relative to a vehicle body from an engaging condition to a disengaging condition, and a vehicle door lock apparatus provided inside of the compartment relative to the opening operation member of the vehicle door and having an unlocked condition that the latch mechanism is rotatable and a locked condition that the latch mechanism is not rotatable based on at least an operation of the opening operation member. The vehicle door operating apparatus further includes an input member provided at the vehicle door lock apparatus for receiving an operating force from the opening operation member provided inside of the compartment, and a cable provided for transmitting the operating force from the opening operation member to the input member.
    Type: Application
    Filed: November 25, 2003
    Publication date: August 12, 2004
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Katsutoshi Fukunaga, Makoto Suzumura, Shigehiro Oya, Akira Muramatsu, Yukinobu Kunimatsu
  • Publication number: 20040125545
    Abstract: A door handle device includes a frame fixed to the inside of an outer panel of a vehicle door and a grip provided on the frame from the outside of a vehicle and including an electrical component. The frame is integrally provided with a circuit electrically connected to the electrical component. The door handle device further includes a chassis integrally formed with the frame, and the circuit is provided within the chassis.
    Type: Application
    Filed: September 29, 2003
    Publication date: July 1, 2004
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Norikazu Kobayashi, Yuichi Murakami, Koji Aoki, Katsutoshi Fukunaga
  • Publication number: 20040113437
    Abstract: A door lock device includes a latch mechanism provided at a vehicle door and engageable with or disengageable from a striker provided at a vehicle body, a lift lever for operating the latch mechanism from an engaged state to a disengaged state by engaging with or disengaging from the striker, an open lever movable from an initial position to an operating position by operation of a door opening member provided at the vehicle door, and a lock lever movable between an unlocked position and a locked position by operation of a door locking/unlocking member provided at the vehicle door. The door lock device further includes an open member and a biasing member.
    Type: Application
    Filed: October 17, 2003
    Publication date: June 17, 2004
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Shigeru Hayakawa, Makoto Suzumura, Akira Muramatsu, Katsutoshi Fukunaga, Kan Ichihara, Yukinobu Kunimatsu
  • Publication number: 20040036298
    Abstract: A door lock device includes a latch mechanism, a lift lever, an open lever, a lock lever including a main lever and a sub lever mounted on the main lever so as to relatively rotate thereto, a biasing member disposed between the main lever and the sub lever, and an open member. When the open member is in the unlocked position, the open member engages with the lift lever by an operation of the open lever in one direction thereby allowing the lift lever operable. When the open member is in the locked position, the open member idly engages with the lift lever by the operation of the open lever and then becomes engaged with the lift lever in the other direction thereby prohibiting the lift lever operable when the open member is switched to the unlocked position from the locked position.
    Type: Application
    Filed: May 27, 2003
    Publication date: February 26, 2004
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Shigeru Hayakawa, Ryujiro Akizuki, Norio Konomoto, Katsutoshi Fukunaga, Akira Muramatsu, Makoto Suzumura, Takeshi Yasuda, Kan Ichihara
  • Patent number: 6634682
    Abstract: A vehicle door lock apparatus includes a first body and a second body integrated so as to be adapted to be integrally assembled to the door. The vehicle door lock apparatus further includes guide projections formed at one of the first and second bodies, and guide grooves formed at the other of the first and second bodies. In addition, a stopper is provided for preventing the separation of integrated first and second bodies by the engagement between the guide projections and the guide grooves.
    Type: Grant
    Filed: October 26, 2001
    Date of Patent: October 21, 2003
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Katsutoshi Fukunaga, Makoto Suzumura, Ryujiro Akizuki, Norio Konomoto, Akira Muramatsu, Shigeru Hayakawa, Yasuhiko Sono
  • Patent number: 6575506
    Abstract: A door lock system for a vehicle includes a latch mechanism, an open link, an inside lever and a cancel lever. The latch mechanism is adapted to a vehicle door and latches the vehicle door to a vehicle body. The open link is engagable and disengagable with the latch mechanism. The inside lever is adapted to an inside handle of the vehicle door and is engagable with the open link. The cancel lever is connected to the open link and is arranged between the inside lever and the open link so as to be engagable with the inside lever when the open link is disengaged from the latch mechanism.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: June 10, 2003
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Shigeru Hayakawa, Hiroshi Ban, Norio Konomoto, Katsutoshi Fukunaga, Makoto Suzumura, Akira Muramatsu, Yasuhiko Sono
  • Publication number: 20020056996
    Abstract: A vehicle door lock apparatus includes a first body and a second body integrated so as to be adapted to be integrally assembled to the door. The vehicle door lock apparatus further includes guide projections formed at one of the first and second bodies, and guide grooves formed at the other of the first and second bodies. In addition, a stopper is provided for preventing the separation of integrated first and second bodies by the engagement between the guide projections and the guide grooves.
    Type: Application
    Filed: October 26, 2001
    Publication date: May 16, 2002
    Inventors: Katsutoshi Fukunaga, Makoto Suzumura, Ryujiro Akizuki, Norio Konomoto, Akira Muramatsu, Shigeru Hayakawa, Yasuhiko Sono
  • Publication number: 20020056298
    Abstract: A vehicle door lock apparatus includes a lever mechanism directly connected with a key cylinder provided at the outside door handle for locking and unlocking the vehicle door in response to rotation operation of the key cylinder. The lever mechanism is provided with a key rotor directly connected with the key cylinder, and a key lever directly connected with the key rotor. An input shaft of the lever mechanism formed by the key rotor is inclinable relative to an output shaft of the lever mechanism formed by the key lever, and this inclination is absorbed through the connection between the key rotor and the key lever.
    Type: Application
    Filed: October 26, 2001
    Publication date: May 16, 2002
    Inventors: Katsutoshi Fukunaga, Makoto Suzumura, Ryujiro Akizuki, Norio Konomoto, Akira Muramatsu, Shigeru Hayakawa, Yasuhiko Sono
  • Publication number: 20010038211
    Abstract: A door lock system for a vehicle includes a latch mechanism, a link mechanism and a housing. The latch mechanism is adapted to a vehicle door and latches the vehicle door to a vehicle body. The link mechanism includes an electric driving source and a plurality of lever members for selectively locking and unlocking the latch mechanism. The housing accommodates the latch mechanism and the link mechanism.
    Type: Application
    Filed: March 16, 2001
    Publication date: November 8, 2001
    Inventors: Shigeru Hayakawa, Hiroshi Ban, Norio Konomoto, Katsutoshi Fukunaga, Makoto Suzumura, Akira Muramatsu, Yasuhiko Sono
  • Publication number: 20010035653
    Abstract: A door lock system for a vehicle includes a) a latch mechanism which is adapted to a vehicle door and which holds the vehicle door to a vehicle body, b) an open link which is engagable and disengagable with the latch mechanism, c) a swing lever which is connected to the open link, d) an electric driving source having a gear member, and e) a rotary gear member which is arranged between the swing lever and the electric driving source so as to be meshed with the gear member of the electric driving source. The rotary gear member is directly and engagably connected to the swing lever.
    Type: Application
    Filed: March 16, 2001
    Publication date: November 1, 2001
    Inventors: Shigeru Hayakawa, Hiroshi Ban, Norio Konomoto, Katsutoshi Fukunaga, Makoto Suzumura, Akira Muramatsu, Yasuhiko Sono
  • Publication number: 20010033082
    Abstract: A door lock system for a vehicle includes a latch mechanism, an open link, an inside lever and a cancel lever. The latch mechanism is adapted to a vehicle door and latches the vehicle door to a vehicle body. The open link is engagable and disengagable with the latch mechanism. The inside lever is adapted to an inside handle of the vehicle door and is engagable with the open link. The cancel lever is connected to the open link and is arranged between the inside lever and the open link so as to be engagable with the inside lever when the open link is disengaged from the latch mechanism.
    Type: Application
    Filed: March 16, 2001
    Publication date: October 25, 2001
    Inventors: Shigeru Hayakawa, Hiroshi Ban, Norio Konomoto, Katsutoshi Fukunaga, Makoto Suzumura, Akira Muramatsu, Yasuhiko Sono
  • Patent number: 5971448
    Abstract: A door lock assembly has a slide pin (9) slidably supported to an door opening lever (4), a first oblong hole (52) formed in a locking lever (5) and inserting the slide pin (9), and a window like opening (31) formed in the lift lever (3), inserting the slide pin (9) and provided with a projection (31a) capable of restricting a slide motion of the slide pin (9), wherein a position of the slide pin (9) with respect to the opening (31) is changed in correspondence to an operation of the door opening lever (4) and the locking lever (5), thereby engaging and disengaging the pawl (7) with the latch (6), and engaging and disengaging a connection between the door opening lever (4) with the lift lever (3).
    Type: Grant
    Filed: April 16, 1998
    Date of Patent: October 26, 1999
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Shigeru Hayakawa, Norikazu Kobayashi, Katsutoshi Fukunaga, Katsuaki Kadoike