Patents by Inventor Kohei Kawazoe

Kohei Kawazoe 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: 20200363514
    Abstract: A laser radar device includes a scanner unit for scanning a measurement target area along a second direction orthogonal to a predetermined first direction by irradiating the measurement target area with a line-shaped laser beam as a light-transmitting angle is changed, the line-shaped laser beam being a laser beam formed into a line shape so as to extend in the first direction, a received signal generation unit for generating a received signal according to received reflected light of the line-shaped laser beam, a storage unit for storing shape distortion information of the line-shaped laser beam in the second direction, and a three-dimensional information generation unit for generating three-dimensional information of the measurement target area based on corrected position information in the second direction obtained by correcting position information in the second direction calculated based on the received signal and the light-transmitting angle, with the shape distortion information.
    Type: Application
    Filed: February 4, 2020
    Publication date: November 19, 2020
    Inventor: Kohei KAWAZOE
  • Patent number: 10534085
    Abstract: A laser light source; a light sending lens configured to form laser light emitted from the laser light source into a spot shape; a scanner configured to perform irradiation while performing scanning, with the laser light formed into the spot shape, in a horizontal direction and a vertical direction of an area to be measured; a light receiving lens configured to receive reflected light reflected from the area to be measured; a light receiving optical system configured to condense the reflected light received by the light receiving lens, in each of the horizontal direction and vertical direction; and an information generating unit configured to generate, based on a received signal output by the light receiving element, three dimensional information of the area to be measured.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: January 14, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kohei Kawazoe, Takahiro Kubota
  • Patent number: 10302558
    Abstract: A gas analysis system includes: a laser light source for emitting a laser light to be transmitted through an analysis target gas; a photodetector configured to receive the laser light transmitted through the analysis target gas, for outputting a signal corresponding to an emission intensity of the received laser light; a gas analysis apparatus for analyzing the analysis target gas on the basis of the signal outputted from the photodetector; a variable light attenuator disposed between the analysis target gas and the laser light source; a transmitted-light amount detector configured to evaluate a transmitted light amount of the laser light transmitted through the analysis target gas on the basis of the signal outputted from the photodetector; and an attenuation amount controller configured to control an attenuation amount of the variable light attenuator on the basis of the transmitted light amount of the laser light evaluated by the transmitted-light amount detector.
    Type: Grant
    Filed: September 25, 2015
    Date of Patent: May 28, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Hirotaka Oka, Kenji Muta, Tatsuyuki Nishimiya, Kohei Kawazoe
  • Publication number: 20190025409
    Abstract: A laser radar device includes a radiation shape control unit. The radiation shape control unit performs control such that the radiation shape of laser light L can be changed between a first radiation shape having a small radiation surface area, and a second radiation shape having a large radiation surface area. In accordance with the radiation shape controlled by the radiation shape control unit, the laser radar device causes the laser light to scan and irradiate an area to be measured, receives reflected light from the area to be measured, and generates three-dimensional information relating to the area to be measured on the basis of the received reflected light.
    Type: Application
    Filed: August 3, 2016
    Publication date: January 24, 2019
    Inventors: Kohei KAWAZOE, Takahiro KUBOTA
  • Publication number: 20180080869
    Abstract: A gas analysis system includes: a laser light source for emitting a laser light to be transmitted through an analysis target gas; a photodetector configured to receive the laser light transmitted through the analysis target gas, for outputting a signal corresponding to an emission intensity of the received laser light; a gas analysis apparatus for analyzing the analysis target gas on the basis of the signal outputted from the photodetector; a variable light attenuator disposed between the analysis target gas and the laser light source; a transmitted-light amount detector configured to evaluate a transmitted light amount of the laser light transmitted through the analysis target gas on the basis of the signal outputted from the photodetector; and an attenuation amount controller configured to control an attenuation amount of the variable light attenuator on the basis of the transmitted light amount of the laser light evaluated by the transmitted-light amount detector.
    Type: Application
    Filed: September 25, 2015
    Publication date: March 22, 2018
    Inventors: Hirotaka OKA, Kenji MUTA, Tatsuyuki NISHIMIYA, Kohei KAWAZOE
  • Publication number: 20180038958
    Abstract: The invention comprises: a light-transmission-side lens 12 that shapes a laser beam L emitted from a laser light source 11 into a line shape extending along a horizontal direction X; a scanner 13 that projects the line-shaped laser beam L while scanning the same in a vertical direction Y of a measurement-target area A; a light-reception-side lens 16 that receives reflected light R reflected from the measurement-target area A; a light reception line sensor 18 including a plurality of light reception cells lined up along the horizontal direction X; a light-reception-side optical system 17 that gathers the reflected light R received by the light-reception-side lens 16 toward the light reception line sensor 18, and in which the light-gathering ratio in the vertical direction Y is set so as to be greater than the light-gathering ratio in the horizontal direction X; and an information generation unit 21 that generates three-dimensional information of the measurement-target area A on the basis of a reception signal
    Type: Application
    Filed: November 19, 2015
    Publication date: February 8, 2018
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kohei KAWAZOE, Takahiro KUBOTA
  • Publication number: 20180038957
    Abstract: A laser light source; a light sending lens configured to form laser light emitted from the laser light source into a spot shape; a scanner configured to perform irradiation while performing scanning, with the laser light formed into the spot shape, in a horizontal direction and a vertical direction of an area to be measured; a light receiving lens configured to receive reflected light reflected from the area to be measured; a light receiving optical system configured to condense the reflected light received by the light receiving lens, in each of the horizontal direction and vertical direction; and an information generating unit configured to generate, based on a received signal output by the light receiving element, three dimensional information of the area to be measured.
    Type: Application
    Filed: November 19, 2015
    Publication date: February 8, 2018
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kohei KAWAZOE, Takahiro KUBOTA
  • Publication number: 20180031233
    Abstract: A gas analysis device includes: a measurement part configured to measure an absorption amount of a laser light including an absorption wavelength corresponding to at least two electronic level transitions having the same component contained in the combustion gas, by emitting the laser light on a plurality of measurement paths disposed to pass through the combustion gas; a standard setting part configured to set a standard gas concentration distribution and a standard temperature distribution on the basis of a measurement result of the measurement part; and an analysis part configured to obtain the gas concentration distribution and the temperature distribution by solving a function including the gas concentration distribution and the temperature distribution as variables so as to minimize a difference between the absorption amount measured by the measurement part and a standard absorption amount obtained on the basis of the standard gas concentration distribution and the standard temperature distribution.
    Type: Application
    Filed: November 25, 2015
    Publication date: February 1, 2018
    Inventors: Hirotaka OKA, Tatsuyuki NISHIMIYA, Kohei KAWAZOE
  • Publication number: 20150263396
    Abstract: A battery state monitoring device (3) is provided with: a substrate (100) that is provided with a terminal insertion hole (111B) into which an electrode terminal (75) of a battery (2) is inserted; a stator (141B) which is formed of a heat conductive material, is provided around the terminal insertion hole (111B), and is fitted to the electrode terminal (75) so as to be in contact with the electrode terminal (75) in a state where the electrode terminal (75) is inserted into the terminal insertion hole (111B); and a temperature measuring element (151) which is affixed to the substrate (100) and measures the temperature of the electrode terminal (75) through the stator (141B).
    Type: Application
    Filed: December 5, 2013
    Publication date: September 17, 2015
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tsuyoshi Kitamura, Mitsufumi Goto, Tetsuro Shigemizu, Kohei Kawazoe, Naohiko Matsuda, Hideyasu Takatsuji, Takehiko Nishida
  • Patent number: 8835253
    Abstract: Provided is a photoelectric conversion device fabrication method in which current leakage from an intermediate contact layer via an intermediate-contact-layer separating groove is prevented as much as possible. Included are a step of film-forming a top layer having amorphous silicon as a main component; a step of film-forming, on the top layer, an intermediate contact layer electrically and optically connected thereto; a step of separating the intermediate contact layer by removing the intermediate contact layer by irradiating it with a pulsed laser, forming an intermediate-contact-layer separating groove that reaches the top layer; and a step of film-forming, on the intermediate contact layer and inside the intermediate-contact-layer separating groove, a bottom layer electrically and optically connected thereto and having microcrystalline silicon as a main component. A pulsed laser having a pulse width of 10 ps to 750 ps, inclusive, is used as the pulsed laser for separating the intermediate contact layer.
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: September 16, 2014
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Tatsuyuki Nishimiya, Kazutaka Uda, Kohei Kawazoe, Tomoyoshi Baba, Takashi Ishide
  • Patent number: 8692153
    Abstract: Provided is a method for manufacturing a photoelectric-conversion-device capable of controlling the groove depth of a processed groove to a desired value. The method for manufacturing a photoelectric conversion device (10) includes a groove forming step of irradiating an intermediate-contact-layer separating groove (15) constituting a photoelectric conversion device (10) with a picosecond laser and of moving the picosecond laser relative to the intermediate-contact-layer separating groove (93), thereby forming a processed groove (15) in a predetermined scanning direction. In the groove forming step, interference fringes arranged in parallel in one direction are formed in an irradiated area corresponding to a beam diameter of the picosecond laser, and the picosecond laser is relatively moved such that the interference fringes are joined in the scanning direction.
    Type: Grant
    Filed: August 25, 2009
    Date of Patent: April 8, 2014
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Kohei Kawazoe, Kazutaka Uda, Tomoyoshi Baba, Takashi Ishide, Sachiko Nakao
  • Patent number: 8497991
    Abstract: An object is to reduce the effect of a film thickness variation on the substrate surface of a thin film and improve the measuring accuracy. Provided are a light source that radiates single-wavelength light to an inspection-target substrate (W), which is formed by forming a thin film on a glass substrate from the glass substrate side; a light receiving element that is disposed such that the light receiving axis intersects with the optical axis of illumination light emitted from the light source at a predetermined inclination angle and that receives diffused transmitted light that has been transmitted through the inspection-target substrate W; and a computer (7) that obtains a haze ratio of the thin film on the basis of the intensity of the light received by the light receiving element.
    Type: Grant
    Filed: July 2, 2009
    Date of Patent: July 30, 2013
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Satoshi Sakai, Kohei Kawazoe, Kengo Yamaguchi, Akemi Takano
  • Patent number: 8477322
    Abstract: A desired search area is efficiently monitored. A surveillance device that is installed in a flying aircraft in the sky and that monitors the situation at the sea surface from the sky, including a light-transmitting portion that is provided with a light source and that radiates a plurality of slit-like beams from the sky toward a search area at the sea surface, a light-receiving portion that receives a plurality of reflected beams that have been reflected at an object at the sea surface, and a processor that determines whether or not the object at the sea surface that has reflected the beams is a target object from information about the reflected beams obtained by the light-receiving portion.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: July 2, 2013
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Kohei Kawazoe, Tomoyoshi Baba, Katsutoshi Ochiai, Kiyotoshi Nishimura, Toshiyuki Yamada
  • Patent number: 8184303
    Abstract: Objects are to reduce the burden on an operator and to improve fabrication efficiency. A transparent conductive film or a transparent optical film formed on a substrate W is irradiated with line illumination light by means of a line illumination device 3, line reflected light reflected at the transparent conductive film or the transparent optical film is detected with a camera, a color evaluation value of the detected reflected light is measured, and a film thickness corresponding to the measured color evaluation value is obtained using a film-thickness characteristic in which the color evaluation value is associated with the film thickness.
    Type: Grant
    Filed: October 31, 2007
    Date of Patent: May 22, 2012
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Satoshi Sakai, Yoichiro Tsumura, Masami Iida, Kohei Kawazoe
  • Publication number: 20120092548
    Abstract: A needless irradiation region in an image-acquisition apparatus is reduced. Provided is a light-transmitting portion that radiates light and a light-receiving portion that receives reflected light, which is the light emitted from the light-transmitting portion being reflected upon reaching a target, and that converts the obtained reflected light to an image signal and outputs the image signal. The light-transmitting portion includes an irradiation scanning section that makes an irradiation region for a field of view smaller than the size of the entire field of view and that irradiates the entire field of view with light by scanning the irradiation region for the field of view.
    Type: Application
    Filed: December 18, 2009
    Publication date: April 19, 2012
    Inventors: Kohei Kawazoe, Tomoyoshi Baba, katsutoshi Ochiai, Kiyotoshi Nishimura, Toshiyuki Yamada
  • Publication number: 20110249273
    Abstract: A desired search area is efficiently monitored. A surveillance device that is installed in a flying aircraft in the sky and that monitors the situation at the sea surface from the sky, including a light-transmitting portion that is provided with a light source and that radiates a plurality of slit-like beams from the sky toward a search area at the sea surface, a light-receiving portion that receives a plurality of reflected beams that have been reflected at an object at the sea surface, and a processor that determines whether or not the object at the sea surface that has reflected the beams is a target object from information about the reflected beams obtained by the light-receiving portion.
    Type: Application
    Filed: December 11, 2009
    Publication date: October 13, 2011
    Inventors: Kohei Kawazoe, Tomoyoshi Baba, Katsutoshi Ochiai, Kiyotoshi Nishimura, Toshiyuki Yamada
  • Publication number: 20110226748
    Abstract: Provided is a method for manufacturing a photoelectric-conversion-device capable of controlling the groove depth of a processed groove to a desired value. The method for manufacturing a photoelectric conversion device (10) includes a groove forming step of irradiating an intermediate-contact-layer separating groove (15) constituting a photoelectric conversion device (10) with a picosecond laser and of moving the picosecond laser relative to the intermediate-contact-layer separating groove (93), thereby forming a processed groove (15) in a predetermined scanning direction. In the groove forming step, interference fringes arranged in parallel in one direction are formed in an irradiated area corresponding to a beam diameter of the picosecond laser, and the picosecond laser is relatively moved such that the interference fringes are joined in the scanning direction.
    Type: Application
    Filed: August 25, 2009
    Publication date: September 22, 2011
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kohei Kawazoe, Kazutaka Uda, Tomoyoshi Baba, Takashi Ishide, Sachiko Nakao
  • Publication number: 20110194113
    Abstract: An object is to reduce the effect of a film thickness variation on the substrate surface of a thin film and improve the measuring accuracy. Provided are a light source that radiates single-wavelength light to an inspection-target substrate (W), which is formed by forming a thin film on a glass substrate from the glass substrate side; a light receiving element that is disposed such that the light receiving axis intersects with the optical axis of illumination light emitted from the light source at a predetermined inclination angle and that receives diffused transmitted light that has been transmitted through the inspection-target substrate W; and a computer (7) that obtains a haze ratio of the thin film on the basis of the intensity of the light received by the light receiving element.
    Type: Application
    Filed: July 2, 2009
    Publication date: August 11, 2011
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Satoshi Sakai, Kohei Kawazoe, Kengo Yamaguchi, Akemi Takano
  • Publication number: 20110166770
    Abstract: A diesel engine fuel soundness control system includes: a density measuring instrument 11 that measures a density of a fuel F of a diesel engine (D/E) in real time; a micro carbon residue (MCR) measuring instrument 12 that measures an MCR in the fuel F of the diesel engine (D/E) in real time; and a control device (CPU) 13 that changes an operation mode of the diesel engine when values of the density and the micro carbon residue (MCR) of the fuel F are obtained and an obtained result is out of a range of soundness of a density-to-MCR characteristic map obtained in advance.
    Type: Application
    Filed: December 8, 2009
    Publication date: July 7, 2011
    Inventors: Yoshihiro Deguchi, Kohei Kawazoe, Taketoshi Yamaura, Shinnosuke Osafune, Kei Watanabe
  • Publication number: 20110126894
    Abstract: Provided is a photoelectric conversion device fabrication method in which current leakage from an intermediate contact layer via an intermediate-contact-layer separating groove is prevented as much as possible. Included are a step of film-forming a top layer having amorphous silicon as a main component; a step of film-forming, on the top layer, an intermediate contact layer electrically and optically connected thereto; a step of separating the intermediate contact layer by removing the intermediate contact layer by irradiating it with a pulsed laser, forming an intermediate-contact-layer separating groove that reaches the top layer; and a step of film-forming, on the intermediate contact layer and inside the intermediate-contact-layer separating groove, a bottom layer electrically and optically connected thereto and having microcrystalline silicon as a main component. A pulsed laser having a pulse width of 10 ps to 750 ps, inclusive, is used as the pulsed laser for separating the intermediate contact layer.
    Type: Application
    Filed: October 2, 2009
    Publication date: June 2, 2011
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Tatsuyuki Nishimiya, Kazutaka Uda, Kohei Kawazoe, Tomoyoshi Baba, Takashi Ishide