Patents by Inventor Koichi Nagata

Koichi Nagata 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: 20110016670
    Abstract: A door handle device for a vehicle includes a frame member mounted to a door of the vehicle, a handle main body fitted with the frame member, an engaging arm formed at the handle main body and engaging with the frame member, a handle axial portion formed at the engaging arm and serving as a pivotal center of the handle main body, a bearing member pivotally supported by the frame member, and a holding portion formed at the bearing member for holding the handle axial portion, wherein the holding portion is shifted between a released position where the handle axial portion is engageable with or disengageable from the holding portion and a supported position where the handle axial portion is pivotally supported with a pivoting of the bearing member.
    Type: Application
    Filed: September 29, 2010
    Publication date: January 27, 2011
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Shigeyuki SUNAHARA, Morihito Nomura, Koichi Nagata
  • Patent number: 7827736
    Abstract: A door handle device for a vehicle includes a frame member mounted to a door of the vehicle, a handle main body fitted with the frame member, an engaging arm formed at the handle main body and engaging with the frame member, a handle axial portion formed at the engaging arm and serving as a pivotal center of the handle main body, a bearing member pivotally supported by the frame member, and a holding portion formed at the bearing member for holding the handle axial portion, wherein the holding portion is shifted between a released position where the handle axial portion is engageable with or disengageable from the holding portion and a supported position where the handle axial portion is pivotally supported with a pivoting of the bearing member.
    Type: Grant
    Filed: August 6, 2007
    Date of Patent: November 9, 2010
    Assignee: Aisin Seiki Kabushiki Kaisha
    Inventors: Shigeyuki Sunahara, Morihito Nomura, Koichi Nagata
  • Patent number: 7684135
    Abstract: A lens device is provided and includes: a lens barrel body; a lens frame swingably attached to the lens barrel body; and a swing mechanism being adapted to swing the lens frame so that alignment of an optical axis of the lens device can be effected, the swing mechanism including: an elastic unit interposed between the lens barrel body and the lens frame, the elastic unit biasing the lens barrel body and the lens frame in directions away from each other or in directions nearing to each other; and an advancing and retracting unit disposed at three points in a circumferential direction defined by the lens barrel body and the lens frame, the advancing and retracting unit advancing or retracting the lens frame relative to the lens barrel body against a bias force of the elastic unit to swing the lens frame.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: March 23, 2010
    Assignee: Fujinon Corporation
    Inventors: Takao Ozaki, Koichi Nagata, Motohiko Horio
  • Publication number: 20100067129
    Abstract: A lens device includes: a lens barrel body having holes; guide bars supported by the lens barrel body and one ends of the guide bars are inserted in the holes; lens holding frames supported so as to be movable along the guide bars and are engaged with the guide bars; and pressing members that press the one ends of the guide bars in a direction perpendicular to the guide bars and are inserted in the holes. The pressing members have a falling-off prevention engagement protrusion engaged with the lens barrel body.
    Type: Application
    Filed: August 14, 2009
    Publication date: March 18, 2010
    Inventors: Takao Ozaki, Koichi Nagata, Katsumi Saito, Satoru Nemoto
  • Patent number: 7648691
    Abstract: A fullerene mixture comprising any two or more of C60, C70 and higher fullerenes having greater than 70 carbon atoms is brought into contact with an amine having two or more nitrogen atoms, especially an amine having an amidine structure, in a solvent to form a complex of a specific fullerene contained in the fullerene mixture and the amine, and the complex is separated from a solution in which fullerenes not forming the complex are dissolved. Consequently, a method of fullerene separation, by which the specific fullerene is separated from the fullerene mixture with ease and at low cost, and the complex having the fullerene can be provided.
    Type: Grant
    Filed: August 10, 2004
    Date of Patent: January 19, 2010
    Assignee: Frontier Carbon Corporation
    Inventor: Koichi Nagata
  • Publication number: 20090091830
    Abstract: A lens device is provided and includes: a housing having a first fixed axis in a transverse direction and a second fixed axis in a longitudinal direction; a first slider supported so as to be slidable along the first fixed axis; a second slider supported so as to be slidable along the second fixed axis; a first movement bar fixed to the first slider in the longitudinal direction; a second movement bar fixed to the second slider in the transverse direction; and a lens holding frame supported so as to be slidable along the first movement bar and the second movement bar. The lens holding frame has two recessed engagement sections open in two different directions, and one of the first and second movement axes is inserted into and engaged with the two recessed engagement sections.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 9, 2009
    Inventors: Takao OZAKI, Koichi Nagata, Motohiko Horio
  • Publication number: 20090091831
    Abstract: A lens device is provided and includes: a housing having a first fixed axis fixed in a transverse direction and a second fixed axis fixed in a longitudinal direction; a first slider supported so as to be slidable along the first fixed axis; a second slider supported so as to be slidable along the second fixed axis; a first movement bar fixed to the first slider in the longitudinal direction; a second movement bar fixed to the second slider in the transverse direction; a lens holding frame supported so as to be slidable along the first movement bar and the second movement bar; and a guide bar fixed to the housing in a direction perpendicular to the optical axis. One of the first and second sliders has an engagement section engaged with the guide bar so as to be regulated in the optical axis direction.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 9, 2009
    Inventors: Takao OZAKI, Koichi NAGATA, Motohiko HORIO
  • Publication number: 20090024531
    Abstract: A general user given beforehand a proxy right by an administrator is allowed to register a special user having the right to use an apparatus in a range of the function right equal to that of himself by operating a special user setting window.
    Type: Application
    Filed: November 13, 2007
    Publication date: January 22, 2009
    Applicant: KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.
    Inventors: Taketoshi YAMAHATA, Katsushi Sukigara, Koichi Nagata, Kana Yamauchi
  • Patent number: 7444755
    Abstract: A telescopic system is provided and has a digital compass and a gimbal mechanism. The gimbal mechanism is formed of first and second gimbal suspension members and a base table side supporting member. The digital compass is held placed on the gimbal mechanism. The first gimbal suspension member has two crossing arm portions and is suspended on the base table side supporting member rotatably on the first rotary shafts. The second gimbal suspension member is suspended on the first gimbal suspension member rotatably on the second rotary shafts. In this arrangement, the digital compass can be always kept horizontal even when the gimbal mechanism is tilted.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: November 4, 2008
    Assignee: Fujinon Corporation
    Inventor: Koichi Nagata
  • Publication number: 20080225413
    Abstract: A lens device is provided and includes: at least two lenses; and a lens frame holding the at least two lenses. The lens frame includes a first lens frame holding one of the at least two lenses and a second lens frame holding another of the at least two lenses, and the first lens frame and the second lens frame are attached in a line contact in circumferential directions thereof. The first lens frame and the second lens frame are bonded after an optical adjustment of the at least two lenses by relatively swinging the first lens framed and the second lens frame with respect to the line contact.
    Type: Application
    Filed: January 30, 2008
    Publication date: September 18, 2008
    Inventors: Takao OZAKI, Koichi Nagata, Motohiko Horio
  • Publication number: 20080226275
    Abstract: A lens device is provided and includes: a vibration-proof lens; a movable lens disposed adjacent to the vibration-proof lens and moving in a direction of an imaging optical axis of the lens device; and a plate-like motor coil disposed around an outer periphery of the vibration-proof lens and driving the vibration-proof lens, the movable lens being located in a retracted position on the imaging optical axis relative to the plate-like motor coil when the movable lens moves closest to the plate like motor coil.
    Type: Application
    Filed: January 29, 2008
    Publication date: September 18, 2008
    Inventors: Takao Ozaki, Koichi Nagata, Motohiko Horio
  • Publication number: 20080225412
    Abstract: A lens device is provided and includes: a lens barrel body in a box form opened in an upper surface thereof; a lid member attached to the upper surface of the lens barrel body; three fixing units that fix the lid member and the lens barrel body; and at least one engaging unit that engages the lid member with the lens barrel body so as to prevent the lid member from separating from the lens barrel body.
    Type: Application
    Filed: February 4, 2008
    Publication date: September 18, 2008
    Inventors: Takao OZAKI, Koichi NAGATA, Motohiko HORIO
  • Publication number: 20080225414
    Abstract: A lens device is provided and includes: a lens barrel body; a lens frame swingably attached to the lens barrel body; and a swing mechanism being adapted to swing the lens frame so that alignment of an optical axis of the lens device can be effected, the swing mechanism including: an elastic unit interposed between the lens barrel body and the lens frame, the elastic unit biasing the lens barrel body and the lens frame in directions away from each other or in directions nearing to each other; and an advancing and retracting unit disposed at three points in a circumferential direction defined by the lens barrel body and the lens frame, the advancing and retracting unit advancing or retracting the lens frame relative to the lens barrel body against a bias force of the elastic unit to swing the lens frame.
    Type: Application
    Filed: January 31, 2008
    Publication date: September 18, 2008
    Inventors: Takao OZAKI, Koichi Nagata, Motohiko Horio
  • Publication number: 20080088139
    Abstract: A base member is fixed to a rear surface of a door panel for a vehicle. A grip member is supported on the base member in a tiltable manner. The grip member is arranged on the base member from a front surface of the door panel. A pivot shaft is arranged on the grip member. A shaft supporting member supports the pivot shaft with respect to the base member so that the pivot shaft can pivot relative to the base member. As a result, the grip member is ensurely prevented from becoming loose with respect to the base member in a longitudinal direction of the grip member.
    Type: Application
    Filed: July 21, 2005
    Publication date: April 17, 2008
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Shigeyuki Sunahara, Tetsurou Tanimoto, Koichi Nagata
  • Publication number: 20080047203
    Abstract: A door handle device for a vehicle includes a frame member mounted to a door of the vehicle, a handle main body fitted with the frame member, an engaging arm formed at the handle main body and engaging with the frame member, a handle axial portion formed at the engaging arm and serving as a pivotal center of the handle main body, a bearing member pivotally supported by the frame member, and a holding portion formed at the bearing member for holding the handle axial portion, wherein the holding portion is shifted between a released position where the handle axial portion is engageable with or disengageable from the holding portion and a supported position where the handle axial portion is pivotally supported with a pivoting of the bearing member.
    Type: Application
    Filed: August 6, 2007
    Publication date: February 28, 2008
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Shigeyuki Sunahara, Morihito Nomura, Koichi Nagata
  • Publication number: 20070216175
    Abstract: A door handle device for a vehicle includes a first handle member made of resin and formed with a housing portion which houses an electronic component and is arranged opposing to the outer panel and a second handle member covering the housing portion and assembled to the first handle member. A first connector, which protrudes in a vehicle width direction penetrating through the outer panel, is provided at an end of the first handle member. A board mounted with a control circuit connected to the electronic component is housed in the housing portion in a state where the board is connected to a terminal of the first connector and a terminal of the electronic component.
    Type: Application
    Filed: March 8, 2007
    Publication date: September 20, 2007
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Tetsurou Tanimoto, Koichi Nagata, Eiji Mushiake
  • Publication number: 20070216174
    Abstract: A door handle apparatus for a vehicle includes a door handle including an outer side handle portion formed with a grip portion, a rotating portion rotatably supported by a supporting member, an operating portion operating a door opening and closing mechanism, and an encasement accommodating electronic components, an unlock electrode accommodated in the encasement and configuring an unlock capacitive sensor detecting changes of an electric capacity between the unlock electrode and the outer panel, an unlock signal circuit transmitting an unlock signal based on the changes of the electric capacity between the unlock electrode and the outer panel, and a lock electrode provided between an end of the grip portion at the side of the rotating portion and the rotating portion and configuring a lock capacitive sensor detecting the changes of the electric capacity.
    Type: Application
    Filed: February 27, 2007
    Publication date: September 20, 2007
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Tetsurou Tanimoto, Koichi Nagata, Eiji Mushiake
  • Patent number: 7248013
    Abstract: A motor drive circuit is provided and includes: a PWM wave generation circuit for generating a PWM (pulse-width-modulated) wave having a high frequency, whose pulse width has been modulated, in response to a rotational frequency control signal used for driving a motor; a switching element (FET) that receives an input of a PWM wave output from the PWM wave generation circuit and performs switching operation; and a current resonance circuit including an inductance and a capacitor. Current resonance is induced in response to power of a battery cell imparted by means of operation of the switching element. A value falling within the range of 60 to 90 KHz, which is 1.1 to 1.7 times as large as a switching frequency 54 KHz of the switching element, may be selected and set for the resonance frequency.
    Type: Grant
    Filed: May 10, 2006
    Date of Patent: July 24, 2007
    Assignee: Fujinon Corporation
    Inventors: Hidenori Takahashi, Koichi Nagata
  • Publication number: 20070158960
    Abstract: A vehicle door handle includes a handle main body, a handle cover assembled to the handle main body by means of a first assembly portion and a second assembly portion, and the second assembly portion including: a first engagement portion having a recessed portion and a protruding portion; and a second engagement portion provided at the other of the handle main body and the handle cover and having a hook portion hooking over the first engagement portion, wherein, the handle cover engages the handle main body by rotating at least either one of the handle cover and the handle main body while the second engagement portion hooks over the first engagement portion in a manner where a top end of the hook portion of the second engagement portion is positioned within the recessed portion of the first engagement portion.
    Type: Application
    Filed: December 21, 2006
    Publication date: July 12, 2007
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Tetsurou Tanimoto, Koichi Nagata, Sadayuki Makino
  • Publication number: 20070134150
    Abstract: A fullerene mixture comprising any two or more of C60, C70 and higher fullerenes having greater than 70 carbon atoms is brought into contact with an amine having two or more nitrogen atoms, especially an amine having an amidine structure, in a solvent to form a complex of a specific fullerene contained in the fullerene mixture and the amine, and the complex is separated from a solution in which fullerenes not forming the complex are dissolved. Consequently, a method of fullerene separation, by which the specific fullerene is separated from the fullerene mixture with ease and at low cost, and the complex having the fullerene can be provided.
    Type: Application
    Filed: August 10, 2004
    Publication date: June 14, 2007
    Applicant: FRONTIER CARBON CORPORATION
    Inventor: Koichi Nagata