Patents by Inventor Hiroyuki Nagahama
Hiroyuki Nagahama 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).
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Patent number: 10655956Abstract: A displacement measuring apparatus includes an illumination system to obliquely irradiate the target object surface with beams, a sensor to receive a reflected light from the target object surface, an optical system to diverge the reflected light in a Fourier plane with respect to the target object surface, a camera to image a diverged beam in the Fourier plane, a gravity center shift amount calculation circuitry to calculate a gravity center shift amount of the reflected light in the light receiving surface of the sensor, based on a light quantity distribution of the beam imaged by the camera, and a measurement circuitry to measure a heightwise displacement of the target object surface by an optical lever method, using information on a corrected gravity center position obtained by correcting the gravity center position of the reflected light received by the sensor by using the gravity center shift amount.Type: GrantFiled: December 17, 2018Date of Patent: May 19, 2020Assignee: NuFlare Technology, Inc.Inventors: Riki Ogawa, Hiroyuki Nagahama
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Patent number: 10623602Abstract: The image reading apparatus includes: an image reading unit which reads card-like document sheets; a card-image recognition part which recognizes card images corresponding to the document sheets; a circular-area setting part which sets circular areas each containing a card image; a positional-information setting part which sets positional information as to the circular areas; a deviational-angle computation part which determines deviational angles of the card images; a corrected-data acquisition part which acquires corrected image data by turning the circular areas; and an array processing part which generates arrayed image data in which the card images corrected in terms of deviational inclination are disposed in array.Type: GrantFiled: May 18, 2018Date of Patent: April 14, 2020Assignee: KYOCERA Document Solutions Inc.Inventor: Hiroyuki Nagahama
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Publication number: 20190361124Abstract: According to one aspect of the present invention, a displacement measurement device includes a control circuit controlling an optical path movement mechanism so that a first total sum of a plurality of intensity signals output from a first position detection sensor and a second total sum of a plurality of intensity signals output from a second position detection sensor change at the same time in a case in which a first and second lights and a stage are relatively moved to cross a boundary; and a displacement measurement circuit calculating an average value of first displacement of a object surface based on the plurality of intensity signals output from the first position detection sensor and second displacement of the object surface based on the plurality of intensity signals output from the second position detection sensor to measure the average value as the displacement of the object surface.Type: ApplicationFiled: May 21, 2019Publication date: November 28, 2019Applicant: NuFlare Technology, Inc.Inventors: Riki OGAWA, Hiroyuki NAGAHAMA, Michiyo SAITO
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Publication number: 20190195621Abstract: A displacement measuring apparatus includes an illumination system to obliquely irradiate the target object surface with beams, a sensor to receive a reflected light from the target object surface, an optical system to diverge the reflected light in a Fourier plane with respect to the target object surface, a camera to image a diverged beam in the Fourier plane, a gravity center shift amount calculation circuitry to calculate a gravity center shift amount of the reflected light in the light receiving surface of the sensor, based on a light quantity distribution of the beam imaged by the camera, and a measurement circuitry to measure a heightwise displacement of the target object surface by an optical lever method, using information on a corrected gravity center position obtained by correcting the gravity center position of the reflected light received by the sensor by using the gravity center shift amount.Type: ApplicationFiled: December 17, 2018Publication date: June 27, 2019Applicant: NuFlare Technology, Inc.Inventors: Riki OGAWA, Hiroyuki NAGAHAMA
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Publication number: 20180338064Abstract: The image reading apparatus includes: an image reading unit which reads card-like document sheets; a card-image recognition part which recognizes card images corresponding to the document sheets; a circular-area setting part which sets circular areas each containing a card image; a positional-information setting part which sets positional information as to the circular areas; a deviational-angle computation part which determines deviational angles of the card images; a corrected-data acquisition part which acquires corrected image data by turning the circular areas; and an array processing part which generates arrayed image data in which the card images corrected in terms of deviational inclination are disposed in array.Type: ApplicationFiled: May 18, 2018Publication date: November 22, 2018Applicant: KYOCERA Document Solutions Inc.Inventor: Hiroyuki NAGAHAMA
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Patent number: 9423356Abstract: An illumination apparatus comprising, a light source that emits a laser beam, a lens array on which the laser beam is illuminated, a plurality of element lenses having a diameter greater than or equal to the laser beam are arranged in the lens array, the lens array being rotatable around an optical axis of the laser beam, wherein the two lens arrays are arrayed in an optical axis direction of the laser beam, and the element lenses in each lens array are arranged such that a boundary between the element lenses adjacent to each other radiates from a rotation center of the lens array and a direction in which the element lens of one of the lens arrays traverses the optical axis of the laser beam is orthogonal to a direction in which the element lens of the other lens array traverses the optical axis of the laser beam.Type: GrantFiled: March 28, 2014Date of Patent: August 23, 2016Assignees: NuFlare Technology, Inc., Kabushiki Kaisha ToshibaInventors: Riki Ogawa, Hiroyuki Nagahama, Takeshi Fujiwara
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Patent number: 9213001Abstract: In a focal position adjusting method for an inspection apparatus, the inspection apparatus includes an illumination optical system and an imaging optical system configured to perform a defect inspection of a pattern formed in a sample using an image imaged on a first sensor. The focal position adjusting method includes illuminating the light from the first light source on the sample after transmitting the light through a first slit disposed in the illumination optical system. The light from the first light source is condensed into a second sensor disposed in the imaging optical system. A light intensity distribution of a pupil of the illumination optical system is observed. The focal position of the illumination optical system is adjusted by obtaining each light quantity of the front focus and the rear focus of the image of the first slit projected on the sample based on the light intensity distribution.Type: GrantFiled: December 10, 2014Date of Patent: December 15, 2015Assignee: NuFlare Technology, Inc.Inventors: Hiroyuki Nagahama, Riki Ogawa
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Publication number: 20150204796Abstract: In a focal position adjusting method for an inspection apparatus, the inspection apparatus includes an illumination optical system and an imaging optical system configured to perform a defect inspection of a pattern formed in a sample using an image imaged on a first sensor. The focal position adjusting method includes illuminating the light from the first light source on the sample after transmitting the light through a first slit disposed in the illumination optical system. The light from the first light source is condensed into a second sensor disposed in the imaging optical system. A light intensity distribution of a pupil of the illumination optical system is observed. The focal position of the illumination optical system is adjusted by obtaining each light quantity of the front focus and the rear focus of the image of the first slit projected on the sample based on the light intensity distribution.Type: ApplicationFiled: December 10, 2014Publication date: July 23, 2015Applicant: NuFlare Technology, Inc.Inventors: Hiroyuki NAGAHAMA, Riki OGAWA
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Publication number: 20140300893Abstract: An illumination apparatus comprising, a light source that emits a laser beam, a lens array on which the laser beam is illuminated, a plurality of element lenses having a diameter greater than or equal to the laser beam are arranged in the lens array, the lens array being rotatable around an optical axis of the laser beam, wherein the two lens arrays are arrayed in an optical axis direction of the laser beam, and the element lenses in each lens array are arranged such that a boundary between the element lenses adjacent to each other radiates from a rotation center of the lens array and a direction in which the element lens of one of the lens arrays traverses the optical axis of the laser beam is orthogonal to a direction in which the element lens of the other lens array traverses the optical axis of the laser beam.Type: ApplicationFiled: March 28, 2014Publication date: October 9, 2014Applicants: Kabushiki Kaisha Toshiba, NuFlare Technology, Inc.Inventors: Riki OGAWA, Hiroyuki NAGAHAMA, Takeshi FUJIWARA
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Patent number: 8817923Abstract: When a decision is made that receiving performance deterioration due to an interfering wave is present in a digital broadcasting wave, an operating point of an RF AGC amplifier 6 and a time constant of gain control of the RF AGC amplifier 6 are altered.Type: GrantFiled: June 2, 2010Date of Patent: August 26, 2014Assignee: Mitsubishi Electric CorporationInventors: Takanori Kawai, Hiroyuki Nagahama
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Patent number: 8767200Abstract: A luminous flux branching element includes a transparent base member arranged diagonally to an optical axis and having an incidence plane and an emission plane parallel to each other. Incident light from the incidence plane is split into a main luminous flux emitted from an emission position on the emission plane and a branched luminous flux emitted from a branch position apart from the emission position and having a smaller light quantity than of the main luminous flux. A reflecting member is arranged on the incidence plane to cause the incidence plane to reflect reflected light from the emission plane. A non-coat region in which antireflection-treatment is not performed is formed in a region of the emission plane where the incident light from the incidence plane is reached, and antireflection-treatment is performed in the emission plane excluding the non-coat region and the incidence plane.Type: GrantFiled: January 9, 2013Date of Patent: July 1, 2014Assignee: NuFlare Technology, Inc.Inventors: Riki Ogawa, Hiroyuki Nagahama, Tomohiro Nakamura
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Publication number: 20130003902Abstract: When a decision is made that receiving performance deterioration due to an interfering wave is present in a digital broadcasting wave, an operating point of an RF AGC amplifier 6 and a time constant of gain control of the RF AGC amplifier 6 are altered.Type: ApplicationFiled: June 2, 2010Publication date: January 3, 2013Applicant: Mitsubishi Electric CorporationInventors: Takanori Kawai, Hiroyuki Nagahama
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Patent number: 8175183Abstract: A digital broadcasting receiving apparatus is characterized in that the digital broadcasting receiving apparatus is provided with an antenna combination determination processing unit for selecting at least two antennas from among a plurality of antennas which have directivities in different directions and each of which receives a digital broadcasting wave transmitted from outside the digital broadcasting receiving apparatus, and for providing an instruction for switching among the above-mentioned plurality of antennas on the basis of a state of reception of the digital broadcasting waves received by the selected antennas, and switches for switching among the above-mentioned plurality of antennas according to the instruction from the above-mentioned combination determination processing unit.Type: GrantFiled: January 16, 2008Date of Patent: May 8, 2012Assignee: Mitsubishi Electric CorporationInventors: Hiroyuki Nagahama, Mitsuru Takeuchi, Eiji Arita, Jun Ido
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Patent number: 8019308Abstract: A receiving apparatus 10 includes a stereo blend control unit 21 for carrying out a stereo blend process according to the reception state of a broadcast wave, a pilot detecting unit 18 for detecting a pilot signal included in the broadcast wave, and a high cut control unit 22 for carrying out high cut control according to the reception state of the broadcast wave and for carrying out the high cut control when the pilot signal is not detected by the pilot detecting unit.Type: GrantFiled: October 23, 2006Date of Patent: September 13, 2011Assignee: Mitsubishi Electric CorporationInventors: Takayuki Endo, Hiroyuki Nagahama
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Publication number: 20110038907Abstract: The present invention provides an organic-coated synthetic mica powder excellent in feeling in use and water-repellent property by an organic coating layer from an organic surface treatment agent, which is firmly and chemically bound to the surface of the synthetic mica powder, and further provides, when an organosilicone having Si—H groups is used as the organic surface treatment agent, an organic-coated synthetic mica powder having very little hydrogen evolution due to residual Si—H groups. The organic-coated synthetic mica powder can be obtained by a producing method comprising a pretreatment process and a coating process, said pretreatment process comprising: contacting synthetic mica powder and an ammonium ion in water; carrying out solid-liquid separation to remove the liquid phase; and drying the solid phase at 200° C.Type: ApplicationFiled: April 16, 2009Publication date: February 17, 2011Applicant: TOPY KOGYO KABUSHIKI KAISHAInventors: Masahiro Abiko, Hiroyuki Nagahama, Shun-ichi Ohta
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Publication number: 20100172429Abstract: A digital broadcasting receiving apparatus is characterized in that the digital broadcasting receiving apparatus is provided with an antenna combination determination processing unit for selecting at least two antennas from among a plurality of antennas which have directivities in different directions and each of which receives a digital broadcasting wave transmitted from outside the digital broadcasting receiving apparatus, and for providing an instruction for switching among the above-mentioned plurality of antennas on the basis of a state of reception of the digital broadcasting waves received by the selected antennas, and switches for switching among the above-mentioned plurality of antennas according to the instruction from the above-mentioned combination determination processing unit.Type: ApplicationFiled: January 16, 2008Publication date: July 8, 2010Inventors: Hiroyuki Nagahama, Mitsuru Takeuchi, Eiji Arita, Jun Ido
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Patent number: 7623890Abstract: A receiver accepts a digital signal having an upper side digital signal located in a higher frequency range on a frequency axis than an analog signal, and a lower side digital signal located in a lower frequency range on the frequency axis than the analog signal. A BPF (15) allows the analog signal to pass therethrough and a BPF (16) allows the analog signal and the digital signal to pass therethrough. BPFs (18) and (19) accept the output of the BPF (16) and output the upper side digital signal and the lower side digital signal, respectively. A digital receive level determining unit (20) and a selection SW (17) select either of the outputs of the BPFs (15) and (16) according to the receive levels of the upper side digital signal and the lower side digital signal, and output the selected output as a selected signal. The receiver then demodulates this selected signal.Type: GrantFiled: April 15, 2005Date of Patent: November 24, 2009Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Soichi Nagano, Hiroyuki Nagahama
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Publication number: 20090275303Abstract: A receiving apparatus 10 includes a stereo blend control unit 21 for carrying out a stereo blend process according to the reception state of a broadcast wave, a pilot detecting unit 18 for detecting a pilot signal included in the broadcast wave, and a high cut control unit 22 for carrying out high cut control according to the reception state of the broadcast wave and for carrying out the high cut control when the pilot signal is not detected by the pilot detecting unit.Type: ApplicationFiled: October 23, 2006Publication date: November 5, 2009Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Takayuki Endo, Hiroyuki Nagahama
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Patent number: 7388660Abstract: A device for measuring the intensity of incoming light is disclosed. This device includes a rotatable light blocking unit which interrupts incident signal light at short regular intervals. The device also includes a light source which emits certain light different from the signal light while the signal light is interrupted by the block unit, and a measurement unit for measuring intensity values of the signal light and the certain light. A correction unit is provided for correcting the measured signal light intensity based on the certain light intensity. A calculator unit calculates a correction value through comparison of the intensity of the certain light to a reference value. The correction unit uses this correction value to correct the signal light intensity.Type: GrantFiled: February 1, 2006Date of Patent: June 17, 2008Assignees: Advanced Mask Inspection Technology Inc., Kabushiki Kaisha TopconInventors: Noboru Kobayashi, Riki Ogawa, Masayuki Hideshima, Hiroyuki Nagahama, Koji Nakajima
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Patent number: D811477Type: GrantFiled: August 31, 2016Date of Patent: February 27, 2018Assignee: PLUS CORPORATIONInventors: Hayato Horie, Hiroyuki Nagahama, Hideyuki Kitamura