Patents by Inventor Kazumi Kimura

Kazumi Kimura 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: 20190151801
    Abstract: Provided is a hollow fiber membrane module that exhibits excellent durability even when a chemical such as a radical polymerizable compound is used for a separation or mixing process. Also provided is a method for producing the hollow fiber membrane module in a highly productive manner. More specifically, there is provided a hollow fiber membrane module at least including a tubular body, a cap, a hollow fiber membrane, and an end seal portion, wherein at least a liquid contacting portion of the end seal portion is sealed with a cured product of a curable resin composition including an epoxy resin, and wherein the epoxy resin includes a polyglycidyl ether of a polycondensate of an aromatic compound containing a phenolic hydroxyl group and an aromatic compound containing a formyl group and a phenolic hydroxyl group, and there is provided a method for producing the module.
    Type: Application
    Filed: June 27, 2017
    Publication date: May 23, 2019
    Inventors: Youhei SUGANUMA, Kazumi OI, Tsugio TOMURA, Makoto KIMURA
  • Patent number: 10138549
    Abstract: A scanning optical apparatus includes: a deflection unit configured to deflect a light flux from a light source in a main scanning direction; an incident optical system configured to introduce the light flux from the light source to the deflection unit; a condensing optical system configured to condense the light flux from the deflection unit onto a scanned surface; and a reflection member arranged in a light path of the light flux deflected in the main scanning direction by the deflection unit and configured to reflect a part of the deflected light flux. The reflection member has a reflection surface configured to reflect the deflected light flux, a first end surface formed in the main scanning direction, and a second end surface formed in a sub-scanning direction perpendicular to the main scanning direction, and the second end surface has a higher degree of corrosion resistance than the first end surface.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: November 27, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kazumi Kimura
  • Patent number: 10025220
    Abstract: An optical scanning apparatus of the present invention includes: a splitting element which splits a light flux emitted from a light source into first and second light fluxes; a deflecting unit which deflects the first and second light fluxes to scan first and second scanned surfaces in a main scanning direction; and an imaging optical system which includes a first imaging lens on which both the first and second light fluxes deflected by the deflecting unit are incident and guides the first and second light fluxes to the first and second scanned surfaces. The condition expressed by ?1.1??1/?2??0.9 is satisfied where ?1 and ?2 are angles within a main scanning cross section between a first axis parallel to the main scanning cross section and directions of incidence of the first and second light fluxes on the deflecting unit, respectively.
    Type: Grant
    Filed: April 3, 2017
    Date of Patent: July 17, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Kazumi Kimura
  • Publication number: 20180059572
    Abstract: An optical scanning device includes a deflector configured to deflect first and second beams to scan an effective area of a first scanned surface in a main scanning direction, and first and second imaging optical systems configured to guide the first and second beams deflected by the deflector to first and second areas, respectively, which are included in the effective area and different from each other in the main scanning direction. In the main scanning direction, the first area and the second area are asymmetric in width with respect to an optical axis.
    Type: Application
    Filed: August 21, 2017
    Publication date: March 1, 2018
    Inventor: Kazumi Kimura
  • Publication number: 20170293236
    Abstract: An optical scanning apparatus of the present invention includes: a splitting element which splits a light flux emitted from a light source into first and second light fluxes; a deflecting unit which deflects the first and second light fluxes to scan first and second scanned surfaces in a main scanning direction; and an imaging optical system which includes a first imaging lens on which both the first and second light fluxes deflected by the deflecting unit are incident and guides the first and second light fluxes to the first and second scanned surfaces. The condition expressed by ?1.1??1/?2??0.9 is satisfied where ?1 and ?2 are angles within a main scanning cross section between a first axis parallel to the main scanning cross section and directions of incidence of the first and second light fluxes on the deflecting unit, respectively.
    Type: Application
    Filed: April 3, 2017
    Publication date: October 12, 2017
    Inventor: Kazumi Kimura
  • Patent number: 9217667
    Abstract: There is provided is a spectrometer having a concave reflection type diffraction element, wherein, among surfaces other than a diffraction surface of the diffraction element, non-diffraction surfaces which are located outside the diffraction surface at the same side as the diffraction surface are a glossy surface, the spectrometer includes a light detection unit which is located at an imaging position of a first-order diffracted light diffracted by the diffraction element to receive the first-order diffracted light, and the light detection unit is disposed inside optical paths of light beams regularly reflected on the non-diffraction surfaces outside the diffraction surface. Accordingly, it is possible to effectively suppress a stray light reflected on the surfaces other the diffraction surface from being incident into the light detection unit and to detect the light spectrally diffracted by the diffraction surface at high accuracy.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: December 22, 2015
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masayasu Teramura, Kazumi Kimura, Nobuyuki Tochigi, Tokuji Takizawa
  • Publication number: 20150259789
    Abstract: A scanning optical apparatus includes: a deflection unit configured to deflect a light flux from a light source in a main scanning direction; an incident optical system configured to introduce the light flux from the light source to the deflection unit; a condensing optical system configured to condense the light flux from the deflection unit onto a scanned surface; and a reflection member arranged in a light path of the light flux deflected in the main scanning direction by the deflection unit and configured to reflect a part of the deflected light flux. The reflection member has a reflection surface configured to reflect the deflected light flux, a first end surface formed in the main scanning direction, and a second end surface formed in a sub-scanning direction perpendicular to the main scanning direction, and the second end surface has a higher degree of corrosion resistance than the first end surface.
    Type: Application
    Filed: May 27, 2015
    Publication date: September 17, 2015
    Inventor: Kazumi Kimura
  • Publication number: 20140160216
    Abstract: A scanning optical apparatus includes: a deflection unit configured to deflect a light flux from a light source in a main scanning direction; an incident optical system configured to introduce the light flux from the light source to the deflection unit; a condensing optical system configured to condense the light flux from the deflection unit onto a scanned surface; and a reflection member arranged in a light path of the light flux deflected in the main scanning direction by the deflection unit and configured to reflect a part of the deflected light flux. The reflection member has a reflection surface configured to reflect the deflected light flux, a first end surface formed in the main scanning direction, and a second end surface formed in a sub-scanning direction perpendicular to the main scanning direction, and the second end surface has a higher degree of corrosion resistance than the first end surface.
    Type: Application
    Filed: December 4, 2013
    Publication date: June 12, 2014
    Inventor: Kazumi Kimura
  • Patent number: 8705154
    Abstract: A spectral colorimetric apparatus for detecting a color of an image of a subject, including: an illumination optical system illuminating the subject on a detection surface; a spectral optical system including a spectral element spectrally separating the beam diffused by the subject and a light receiving element array detecting a spectral intensity distribution; and a guiding optical system for guiding a beam diffused by the subject, wherein: the detection surface is parallel to a spectral plane including a principal ray of a beam entering the spectral optical system and a principal ray of a beam spectrally separated; the principal ray of the beam enters the spectral optical system within the spectral plane obliquely to a line joining a center of the light receiving element array with a surface vertex of the spectral element; and a light receiving surface of the light receiving element array is orthogonal to the spectral plane.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: April 22, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tokuji Takizawa, Kazumi Kimura, Nobuyuki Tochigi, Masayasu Teramura
  • Patent number: 8559088
    Abstract: An adjustment apparatus for a light source unit installed on an optical scanning apparatus including a deflector, the light source unit including a laser light source and a condensing optical element, and leading the condensed light beam to the deflector, the adjustment apparatus including: a dividing element for dividing the light beam into a plurality of light beams in at least one of a main scanning direction and a sub-scanning direction; an imaging optical element for imaging the plurality of light beams on a light receiving element; and an adjustment mechanism for adjusting a relative position ?X between the condensing optical element and the laser light source in a direction of an optical axis of the condensing optical element, and relative positions ?Y and ?Z between the condensing optical element and the laser light source in directions orthogonal to the optical axis of the condensing optical element.
    Type: Grant
    Filed: October 17, 2011
    Date of Patent: October 15, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazumi Kimura
  • Publication number: 20130250295
    Abstract: A spectral colorimetric apparatus for detecting a color of an image of a subject, including: an illumination optical system illuminating the subject on a detection surface; a spectral optical system including a spectral element spectrally separating the beam diffused by the subject and a light receiving element array detecting a spectral intensity distribution; and a guiding optical system for guiding a beam diffused by the subject, wherein: the detection surface is parallel to a spectral plane including a principal ray of a beam entering the spectral optical system and a principal ray of a beam spectrally separated; the principal ray of the beam enters the spectral optical system within the spectral plane obliquely to a line joining a center of the light receiving element array with a surface vertex of the spectral element; and a light receiving surface of the light receiving element array is orthogonal to the spectral plane.
    Type: Application
    Filed: May 7, 2013
    Publication date: September 26, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tokuji Takizawa, Kazumi Kimura, Nobuyuki Tochigi, Masayasu Teramura
  • Patent number: 8462406
    Abstract: A spectral colorimetric apparatus for detecting a color of an image of a subject, including: an illumination optical system illuminating the subject on a detection surface; a spectral optical system including a spectral element spectrally separating the beam diffused by the subject and a light receiving element array detecting a spectral intensity distribution; and a guiding optical system for guiding a beam diffused by the subject, wherein: the detection surface is parallel to a spectral plane including a principal ray of a beam entering the spectral optical system and a principal ray of a beam spectrally separated; the principal ray of the beam enters the spectral optical system within the spectral plane obliquely to a line joining a center of the light receiving element array with a surface vertex of the spectral element; and a light receiving surface of the light receiving element array is orthogonal to the spectral plane.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: June 11, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tokuji Takizawa, Kazumi Kimura, Nobuyuki Tochigi, Masayasu Teramura
  • Patent number: 8451443
    Abstract: A concave reflection type diffraction optical element used for a Rowland type spectrometer, in which: the Rowland type spectrometer detects wavelengths in a range including a wavelength ?1 or more and a wavelength ?2 or less (?1<?2); the concave reflection type diffraction optical element has a diffractive efficiency D(?) at a wavelength ? which shows local maximum and maximum value at a wavelength ?a satisfying, ? 1 ? ? a < 7 ? ? 1 + 3 ? ? 2 10 ; the concave reflection type diffraction optical element includes a reference surface having an anamorphic shape; and the following condition is satisfied: R>r, where R indicates a meridional line curvature radius of the reference surface and r indicates a sagittal line curvature radius thereof.
    Type: Grant
    Filed: June 24, 2010
    Date of Patent: May 28, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Tokuji Takizawa, Kazumi Kimura
  • Patent number: 8437050
    Abstract: Provided is an illuminator including a light source unit having a light emitting surface, and a light guiding member guiding a light beam to an original disposed on an original plate. An intersection of a center axis of a light emitting surface and the original plate is separated from a reading position of the original in a sub scanning direction, the light guiding member includes an incident surface to which the light beam emitted from the light source unit is incident, a reflection surface that reflects the incident light beam, and an exiting surface exiting the incident light beam and the reflected light beam, and in the sub scanning section, the light beam having the highest light intensity in the light beams from the light source unit is deflected at the incident surface toward the reading position of the original with respect to the center axis.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: May 7, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Nobuyuki Tochigi, Kazumi Kimura, Tokuji Takizawa, Masayasu Teramura
  • Patent number: 8422012
    Abstract: There is provided is a spectrometer having a concave reflection type diffraction element, wherein, among surfaces other than a diffraction surface of the diffraction element, non-diffraction surfaces which are located outside the diffraction surface at the same side as the diffraction surface are a glossy surface, the spectrometer includes a light detection unit which is located at an imaging position of a first-order diffracted light diffracted by the diffraction element to receive the first-order diffracted light, and the light detection unit is disposed inside optical paths of light beams regularly reflected on the non-diffraction surfaces outside the diffraction surface. Accordingly, it is possible to effectively suppress a stray light reflected on the surfaces other the diffraction surface from being incident into the light detection unit and to detect the light spectrally diffracted by the diffraction surface at high accuracy.
    Type: Grant
    Filed: May 3, 2010
    Date of Patent: April 16, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masayasu Teramura, Kazumi Kimura, Nobuyuki Tochigi, Tokuji Takizawa
  • Patent number: 8184289
    Abstract: A spectral colorimetric apparatus for detecting a color of an image of a test subject illuminated includes a stop; a spectral detection optical system for spectrally detecting a beam diffused in the test subject and passing through the stop; and a guiding optical system for guiding, toward the stop, the beam diffused in the test subject, wherein in a first section which is a section including an optical axis of the guiding optical system, condensing positions of the light beam condensed by the guiding optical system change depending on a position in a direction orthogonal to the first section, and the stop is disposed between condensing positions closest to and farthest from the guiding optical system, of condensing positions, in the first section, of the beam condensed by the guiding optical system, in a direction of the optical axis of the guiding optical system.
    Type: Grant
    Filed: April 28, 2010
    Date of Patent: May 22, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kazumi Kimura, Masayasu Teramura, Nobuyuki Tochigi, Tokuji Takizawa
  • Publication number: 20120092740
    Abstract: An adjustment apparatus for a light source unit installed on an optical scanning apparatus including a deflector, the light source unit including a laser light source and a condensing optical element, and leading the condensed light beam to the deflector, the adjustment apparatus including: a dividing element for dividing the light beam into a plurality of light beams in at least one of a main scanning direction and a sub-scanning direction; an imaging optical element for imaging the plurality of light beams on a light receiving element; and an adjustment mechanism for adjusting a relative position ?X between the condensing optical element and the laser light source in a direction of an optical axis of the condensing optical element, and relative positions ?Y and ?Z between the condensing optical element and the laser light source in directions orthogonal to the optical axis of the condensing optical element.
    Type: Application
    Filed: October 17, 2011
    Publication date: April 19, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Kazumi KIMURA
  • Patent number: 8144178
    Abstract: At least one exemplary embodiment is directed to an optical scanning apparatus which includes a Vertical Cavity Surface Emitting Laser including a plurality of light-emitting portions that are spaced from each other in at least a sub-scanning direction, a first optical system including a light-condensing element that converts each of light beams from the laser into a light beam in another state; a deflector that reflects and deflects the light beams from the first optical system, and a second optical system that focuses the light beams deflected by the deflecting member on a surface to be scanned, where the second optical system includes at least an imaging optical element having an optical surface with a non-arc shape in a sub-scanning cross section.
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: March 27, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazumi Kimura
  • Patent number: 8085456
    Abstract: An object of the present invention is to provide a scanning optical system capable of reducing the number of its components and its size with a simple construction, and an image forming apparatus using the scanning optical system. In a specific scanning optical system, a plurality of light beams emitted from a plurality of light source units are deflected and scanned by a plurality of different deflecting facets of a common optical deflecting unit, and a plurality of scanned surfaces are scanned with the light beams deflected and scanned by the different deflecting facets, respectively.
    Type: Grant
    Filed: March 30, 2009
    Date of Patent: December 27, 2011
    Assignee: Canon Kabushiki Kaisha
    Inventor: Kazumi Kimura
  • Publication number: 20110026022
    Abstract: A concave reflection type diffraction optical element used for a Rowland type spectrometer, in which: the Rowland type spectrometer detects wavelengths in a range including a wavelength ?1 or more and a wavelength ?2 or less (?1<?2); the concave reflection type diffraction optical element has a diffractive efficiency D(?) at a wavelength ? which shows local maximum and maximum value at a wavelength ?a satisfying, ? 1 ? ? a < 7 ? ? 1 + 3 ? ? 2 10 ; the concave reflection type diffraction optical element includes a reference surface having an anamorphic shape; and the following condition is satisfied: R>r, where R indicates a meridional line curvature radius of the reference surface and r indicates a sagittal line curvature radius thereof.
    Type: Application
    Filed: June 24, 2010
    Publication date: February 3, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Tokuji Takizawa, Kazumi Kimura