Patents by Inventor Koji Takayama
Koji Takayama 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: 11971668Abstract: An electrophotographic roller comprising a substrate and a foam layer on an outer peripheral surface of the substrate, the foam layer constituting an outer surface of the electrophotographic roller, the foam layer comprising cells each of which opens on the outer surface, and the foam layer having a zero-point charge measured using a standard carrier of 40 ?C/g or more.Type: GrantFiled: April 6, 2023Date of Patent: April 30, 2024Assignee: CANON KABUSHIKI KAISHAInventors: Ryosuke Takayama, Hiroaki Komatsu, Koji Yatsu, Seiji Tsuru
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Patent number: 11076233Abstract: Provided is a sound generation device wherein noise can be reduced in accordance with a predetermined frequency band. An elastic member (8) is provided to obtain a sound pressure characteristic having a sub-peak at a predetermined frequency on the lower side than a lowest resonance frequency, and a phase characteristic such that a change rate of phase difference is lowered around the predetermined frequency. When the phase characteristic is calculated by simulation or actually measured in advance and an input signal is controlled such that the generated sound has an opposite phase to the noise, the generated sound can be made less prone to deviate from the opposite phase to the noise even if a time difference is caused between noise sound collection and sound generation at around the predetermined frequency, with the result that the noise can be effectively reduced.Type: GrantFiled: September 13, 2016Date of Patent: July 27, 2021Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATIONInventors: Satoru Hiwatari, Hiroyuki Dohi, Koji Takayama, Hiroyuki Kobayashi
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Patent number: 10623631Abstract: Imaging apparatus includes storage that records registration information, including face information, for personal authentication, setting unit that selects a security mode from a plurality of security modes, imaging unit that generates first image data from optical information, detector that detects a face of a subject within the first image data and detects the security-protection target according to a result from a comparison between the face detected and the face information recorded, image processor that executes the security-protection process on the security-protection target detected by detector to generate second image data, and controller that controls detector and image processor in accordance with the security mode selected. The plurality of security modes include a first security mode and a second security mode.Type: GrantFiled: June 15, 2018Date of Patent: April 14, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Koji Takayama
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Patent number: 10277976Abstract: Provided is a speaker device achieving thinning and cost reduction. The speaker device includes a first speaker unit and a second speaker unit. An outer peripheral side of the speaker unit is provided with a folded portion protruding to an opposite side of a sound emission direction P. A flat portion is provided inside the folded portion. An opening is provided inside the flat portion. A voice coil bobbin is secured to the opening. A speaker unit is arranged in the voice coil bobbin. An external-magnet-type magnetic circuit is provided in the speaker unit. As a magnet of the magnetic circuit, a ferrite magnet having a large volume is used.Type: GrantFiled: December 8, 2015Date of Patent: April 30, 2019Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATIONInventors: Kenichi Oshima, Koji Takayama, Hirohito Ohno, Hiroyuki Dohi, Hayami Kondo
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Patent number: 10264347Abstract: Provided is a speaker device achieving thinning and cost reduction. The speaker device includes a first speaker unit having a first diaphragm connected to a voice coil bobbin, and a second speaker unit having a second diaphragm provided inside the voice coil bobbin. When a sound emission direction P of the first speaker unit and the second speaker unit is upward and an opposite direction of the sound emission direction P is downward, a position of an upper end A of the first diaphragm is substantially equal to an upper end B of the second diaphragm.Type: GrantFiled: December 8, 2015Date of Patent: April 16, 2019Assignees: PIONEER CORPORATION, TOHOKU PIONEER CORPORATIONInventors: Kenichi Oshima, Koji Takayama, Hirohito Ohno, Hiroyuki Dohi, Hayami Kondo
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Patent number: 10148844Abstract: An imaging apparatus includes an optical system, an imaging unit that captures a subject image which is input via the optical system and generates an image signal, an image processor that performs predetermined processing on the image signal generated by the imaging unit and generates image data, a display unit that displays an image represented by the image data, and a control unit that controls the image processor and the display unit. The control unit records moving image data and generates, from all or a part of a plurality of frame images composing recorded moving image data, a still image based on user's specifying of an image or an area of the image. The display unit displays one frame image among the plurality of frame images composing the recorded moving image data, as a setting image for the user to specify an image or an area of the image, and adds highlighting to an in-focus portion in the setting image.Type: GrantFiled: November 3, 2016Date of Patent: December 4, 2018Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Mitsuyoshi Okamoto, Tomohiro Oogami, Kohei Fukugawa, Koji Takayama
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Publication number: 20180295280Abstract: Imaging apparatus includes storage that records registration information, including face information, for personal authentication, setting unit that selects a security mode from a plurality of security modes, imaging unit that generates first image data from optical information, detector that detects a face of a subject within the first image data and detects the security-protection target according to a result from a comparison between the face detected and the face information recorded, image processor that executes the security-protection process on the security-protection target detected by detector to generate second image data, and controller that controls detector and image processor in accordance with the security mode selected. The plurality of security modes include a first security mode and a second security mode.Type: ApplicationFiled: June 15, 2018Publication date: October 11, 2018Inventor: KOJI TAKAYAMA
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Publication number: 20180270579Abstract: Provided is a sound generation device wherein noise can be reduced in accordance with a predetermined frequency band. An elastic member (8) is provided to obtain a sound pressure characteristic having a sub-peak at a predetermined frequency on the lower side than a lowest resonance frequency, and a phase characteristic such that a change rate of phase difference is lowered around the predetermined frequency. When the phase characteristic is calculated by simulation or actually measured in advance and an input signal is controlled such that the generated sound has an opposite phase to the noise, the generated sound can be made less prone to deviate from the opposite phase to the noise even if a time difference is caused between noise sound collection and sound generation at around the predetermined frequency, with the result that the noise can be effectively reduced.Type: ApplicationFiled: September 13, 2016Publication date: September 20, 2018Inventors: Satoru HIWATARI, Hiroyuki DOHI, Koji TAKAYAMA, Hiroyuki KOBAYASHI
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Publication number: 20170359647Abstract: Provided is a speaker device achieving thinning and cost reduction. The speaker device includes a first speaker unit having a first diaphragm connected to a voice coil bobbin, and a second speaker unit having a second diaphragm provided inside the voice coil bobbin. When a sound emission direction P of the first speaker unit and the second speaker unit is upward and an opposite direction of the sound emission direction P is downward, a position of an upper end A of the first diaphragm is substantially equal to an upper end B of the second diaphragm.Type: ApplicationFiled: December 8, 2015Publication date: December 14, 2017Inventors: Kenichi OSHIMA, Koji TAKAYAMA, Hirohito OHNO, Hiroyuki DOHI, Hayami KONDO
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Publication number: 20170347184Abstract: Provided is a speaker device achieving thinning and cost reduction. The speaker device includes a first speaker unit and a second speaker unit. An outer peripheral side of the speaker unit is provided with a folded portion protruding to an opposite side of a sound emission direction P. A flat portion is provided inside the folded portion. An opening is provided inside the flat portion. A voice coil bobbin is secured to the opening. A speaker unit is arranged in the voice coil bobbin. An external-magnet-type magnetic circuit is provided in the speaker unit. As a magnet of the magnetic circuit, a ferrite magnet having a large volume is used.Type: ApplicationFiled: December 8, 2015Publication date: November 30, 2017Inventors: Kenichi OSHIMA, Koji TAKAYAMA, Hirohito OHNO, Hiroyuki DOHI, Hayami KONDO
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Publication number: 20170264773Abstract: An imaging apparatus includes an optical system, an imaging unit that captures a subject image which is input via the optical system and generates an image signal, an image processor that performs predetermined processing on the image signal generated by the imaging unit and generates image data, a display unit that displays an image represented by the image data, and a control unit that controls the image processor and the display unit. The control unit records moving image data and generates, from all or a part of a plurality of frame images composing recorded moving image data, a still image based on user's specifying of an image or an area of the image. The display unit displays one frame image among the plurality of frame images composing the recorded moving image data, as a setting image for the user to specify an image or an area of the image, and adds highlighting to an in-focus portion in the setting image.Type: ApplicationFiled: November 3, 2016Publication date: September 14, 2017Inventors: Mitsuyoshi OKAMOTO, Tomohiro OOGAMI, Kohei FUKUGAWA, Koji TAKAYAMA
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Patent number: 9438790Abstract: The present technique has a face detection unit configured to detect a face region which is determined as a face in an image, a position specifying unit configured to specify a particular position in the image, a range specifying unit configured to set a hue range which has a first range containing a hue at a position specified by the position specifying unit in a case where the position specified by the position specifying unit is not contained in the face region and to set a hue range which has a second range containing a hue at a position specified by the position specifying unit and wider than the first range in a case where the position specified by the position specifying unit contains the face region, and image processing unit for performing image conversion processing based on color information contained in the hue range.Type: GrantFiled: March 12, 2014Date of Patent: September 6, 2016Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Koji Takayama
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Patent number: 9118836Abstract: An imaging device which can more reliably guide eye lines of a subject to a lens even when the subject is a child or an infant is provided. The imaging device according to the present disclosure includes: an optical system; an imaging sensor which captures a subject image condensed by the optical system; a monitor which displays the captured subject image; and a controller which displays an on-screen display (OSD), which moves in a center direction of the optical system, on a display surface of the monitor oriented toward a subject before start of shooting a still image of a subject or during shooting of a moving image.Type: GrantFiled: September 4, 2014Date of Patent: August 25, 2015Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventor: Koji Takayama
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Patent number: 9100628Abstract: The present technique has a face detection unit configured to detect a face region which is determined as a face in an image, a position specifying unit configured to specify a particular position in the image, a range specifying unit configured to determine a first range as a range for calculating an evaluation value of a hue and to set a hue at a position specified by the position specifying unit in a case where the position is not contained in the face region, and to determine a second range as a range for calculating an evaluation value of a hue and to set a hue at a position specified by the position specifying unit in a case where the position contains the face region, and image processing unit for performing image conversion processing based on color information contained in the hue range.Type: GrantFiled: March 12, 2014Date of Patent: August 4, 2015Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Koji Takayama
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Patent number: 9030574Abstract: An imaging apparatus includes an imaging sensor operable to capture a subject image and output image information, a gain setting unit operable to set a value of an output signal amplification gain according to a value of ISO sensitivity for amplifying the image information output from the imaging sensor, a determination unit operable to determine a value of white balance gain to be used for white balance correction according to the value of the output signal amplification gain set by the gain setting unit, and a white balance correcting unit operable to perform white balance correction on the image information output from the imaging sensor based on the value of the output signal amplification gain set by the setting unit and the value of the white balance gain determined by the determination unit.Type: GrantFiled: October 25, 2011Date of Patent: May 12, 2015Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Koji Takayama, Mariko Yamazaki
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Publication number: 20150098001Abstract: An imaging device which can more reliably guide eye lines of a subject to a lens even when the subject is a child or an infant is provided. The imaging device according to the present disclosure includes: an optical system; an imaging sensor which captures a subject image condensed by the optical system; a monitor which displays the captured subject image; and a controller which displays an on-screen display (OSD), which moves in a center direction of the optical system, on a display surface of the monitor oriented toward a subject before start of shooting a still image of a subject or during shooting of a moving image.Type: ApplicationFiled: September 4, 2014Publication date: April 9, 2015Inventor: Koji TAKAYAMA
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Publication number: 20140285674Abstract: The present technique has a face detection unit configured to detect a face region which is determined as a face in an image, a position specifying unit configured to specify a particular position in the image, a range specifying unit configured to set a hue range which has a first range containing a hue at a position specified by the position specifying unit in a case where the position specified by the position specifying unit is not contained in the face region and to set a hue range which has a second range containing a hue at a position specified by the position specifying unit and wider than the first range in a case where the position specified by the position specifying unit contains the face region, and image processing unit for performing image conversion processing based on color information contained in the hue range.Type: ApplicationFiled: March 12, 2014Publication date: September 25, 2014Applicant: PANASONIC CORPORATIONInventor: Koji TAKAYAMA
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Publication number: 20140285682Abstract: The present technique has a face detection unit configured to detect a face region which is determined as a face in an image, a position specifying unit configured to specify a particular position in the image, a range specifying unit configured to determine a first range as a range for calculating an evaluation value of a hue and to set a hue at a position specified by the position specifying unit in a case where the position is not contained in the face region, and to determine a second range as a range for calculating an evaluation value of a hue and to set a hue at a position specified by the position specifying unit in a case where the position contains the face region, and image processing unit for performing image conversion processing based on color information contained in the hue range.Type: ApplicationFiled: March 12, 2014Publication date: September 25, 2014Applicant: PANASONIC CORPORATIONInventor: Koji TAKAYAMA
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Patent number: 8235167Abstract: A speaker vibrating body vibrated by a driving part includes a plurality of diaphragms vibratably supported by a static part supporting said driving part and a diaphragm connecting part, provided between a first diaphragm and a second diaphragm among said plurality of diaphragms, coupling said first diaphragm and said second diaphragm and synchronously moving said first diaphragm and said second diaphragm toward or away from each other.Type: GrantFiled: December 25, 2009Date of Patent: August 7, 2012Assignees: Pioneer Corporation, Tohoku Pioneer CorporationInventors: Hiroyuki Kobayashi, Toshihiro Hikichi, Takuei Nagasawa, Koji Takayama, Koji Maekawa, Kenichi Oshima, Yasuhisa Abe, Minoru Horigome
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Publication number: 20120105669Abstract: An imaging apparatus includes an imaging sensor operable to capture a subject image and output image information, a gain setting unit operable to set a value of an output signal amplification gain according to a value of ISO sensitivity for amplifying the image information output from the imaging sensor, a determination unit operable to determine a value of white balance gain to be used for white balance correction according to the value of the output signal amplification gain set by the gain setting unit, and a white balance correcting unit operable to perform white balance correction on the image information output from the imaging sensor based on the value of the output signal amplification gain set by the setting unit and the value of the white balance gain determined by the determination unit.Type: ApplicationFiled: October 25, 2011Publication date: May 3, 2012Applicant: PANASONIC CORPORATIONInventors: KOJI TAKAYAMA, MARIKO YAMAZAKI