Patents by Inventor Kenji Ishii

Kenji Ishii 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).

  • Patent number: 11696007
    Abstract: An imaging apparatus, having an imaging element has top, bottom, front, and rear sides, includes exterior members, a control circuit on a control circuit board to control the imaging apparatus, a display panel on the rear side as one of the exterior members, and a heat release fan. The control circuit board and the display panel are arranged sequentially in a direction of an optical axis from the front side to the rear side. A duct having a vent formed on the duct rear side as one of the exterior members extends from the rear side to the front side and from the top side to the bottom side and connects to a bottom side vent formed on the bottom side as one of the exterior members. The heat release fan is inside the duct near the bottom side below the control circuit board as one of the exterior members.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: July 4, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takashi Yoshida, Kenji Ishii, Koji Tamura
  • Publication number: 20230183450
    Abstract: A foam molding composition from which a foam molded body and a foamed electric wire can be produced having excellent heat resistance, a small average cell size, a high foaming ratio, and good outer diameter stability. The foam molding composition includes a resin (A) having a pyrolysis temperature of 330° C. or higher and at least one compound (B) selected from phosphoric acid esters and salts thereof and phosphoric acid ester complex compounds. Also disclosed is a foam molded body obtained from the foam molding composition, an electric wire including a core wire and a covering material covering the core wire obtained from the foam molding composition, and a method for producing the foam molded body.
    Type: Application
    Filed: February 2, 2023
    Publication date: June 15, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Hideki KOUNO, Kenji ISHII, Masato TOKUDA, Takahiro KITAHARA
  • Publication number: 20230167258
    Abstract: A foam molding composition containing a fluororesin (A) and a compound (B) having a pyrolysis temperature of 300° C. or higher and a solubility parameter (SP value) of 8 to 15. Also disclosed is a foamed electric wire including a core wire, and a fluororesin layer or a fluororesin composition layer covering the core wire, a foam molded body, a method for producing a foam molded body, and a method for producing an electric wire.
    Type: Application
    Filed: January 24, 2023
    Publication date: June 1, 2023
    Applicant: DAIKIN INDUSTRIES, LTD.
    Inventors: Kenji ISHII, Masato TOKUDA
  • Patent number: 11656535
    Abstract: A shoe device of an accessory that secures necessary functions and mechanical strength when the accessory is used with attaching to an electronic apparatus and that improves convenience during use when the accessory is used without attaching to an electronic apparatus. An engagement member is attachable to and detachable from an accessory shoe device of an electronic apparatus by sliding in a first direction. A holding member holds the engagement member. An attachment part is provided in the engagement member or the holding member and allows attachment of a member different from the accessory shoe device. A connection member has connection terminals arranged in a second direction that intersects perpendicularly with the first direction and is arranged in a front of the holding member in the first direction. The attachment part is provided behind the connection terminals in the first direction.
    Type: Grant
    Filed: September 27, 2021
    Date of Patent: May 23, 2023
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Yoshinobu Okano, Kenji Ishii, Keita Hirayama
  • Patent number: 11637950
    Abstract: An image capturing apparatus, including an image capturing element and having an optical axis, includes a control circuit to control the image capturing apparatus, a display panel arranged on a rear surface side of an exterior member, and a heat dissipation fan arranged on a bottom surface side of the exterior member. An image capturing element board, a control circuit board, and the display panel are arranged in a direction of the optical axis. A duct, extending from a first ventilation hole to a second ventilation hole formed to face the first ventilation hole across the optical axis, passes through an area among the image capturing element board, the control circuit board, and the bottom surface side of the exterior member. The heat dissipation fan is arranged inside the duct arranged in the area, the control circuit board, and the bottom surface side of the exterior member.
    Type: Grant
    Filed: February 15, 2022
    Date of Patent: April 25, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kenji Ishii, Takashi Yoshida, Koji Tamura
  • Patent number: 11601573
    Abstract: An image pickup apparatus, having a grip portion, an image sensor, and a mount portion receives attachment of an interchangeable lens, includes a control circuit, a display panel disposed on a rear face side of an exterior member, and a heat dissipation fan disposed on a bottom surface side of the exterior member. The image sensor, control circuit, and display panel are arranged in an optical axis direction. A duct, having a first vent, is disposed between the grip and mount portions of a front face of the exterior member, extends in the optical axis direction from a top toward a bottom surface side between substrates of the image sensor and the control circuit, and connects to a second vent formed across an optical axis. The heat dissipation fan is disposed inside the duct and is located on bottom surface sides of the image sensor and the control circuit substrates.
    Type: Grant
    Filed: February 16, 2022
    Date of Patent: March 7, 2023
    Assignee: Canon Kabushiki Kaisha
    Inventors: Koji Tamura, Takashi Yoshida, Kenji Ishii
  • Publication number: 20230037909
    Abstract: An electronic apparatus to which an accessory is to be detachably attached includes a plurality of contacts electrically connectable to the accessory and arranged in a first direction orthogonal to an attachment direction of the accessory. The plurality of contacts include an attachment detection contact that is used to detect an attachment of the accessory to the electronic apparatus, and a first clock contact that is used to communicate a first clock signal in communication between the electronic apparatus and the accessory. A potential of the attachment detection contact changes from a predetermined potential to a reference potential different from the predetermined potential after the accessory is attached to the electronic apparatus. The attachment detection contact is disposed next to the first clock contact.
    Type: Application
    Filed: October 6, 2022
    Publication date: February 9, 2023
    Inventors: Kouji Ikeda, Kei Tohyama, Hiromichi Sakamoto, Takayuki Shu, Hiromi Hayasaki, Yuhei Hattori, Kenji Ishii, Yoshinobu Okano
  • Publication number: 20230029937
    Abstract: An electronic apparatus includes an accessory shoe via which an accessory is to be detachably attached to the electronic apparatus. The accessory shoe includes a plurality of contacts that is electrically connectable to the accessory and arranged in a row, and include an attachment detection contact, a power supply contact, and a first reference potential contact that is connected to a reference potential. A potential of the attachment detection contact becomes the reference potential in a case where the accessory is attached to the electronic apparatus. The attachment detection contact is disposed on one of both sides of the power supply contact, and the first reference potential contact is disposed on another side. The first reference potential contact is disposed outside the power supply contact in an arrangement direction of the plurality of contacts.
    Type: Application
    Filed: October 6, 2022
    Publication date: February 2, 2023
    Inventors: Hiromichi Sakamoto, Kei Tohyama, Takayuki Shu, Hiromi Hayasaki, Kouji Ikeda, Yuhei Hattori, Kenji Ishii, Yoshinobu Okano
  • Publication number: 20230034017
    Abstract: An electronic apparatus to which an accessory is to be detachably attached includes a plurality of contacts electrically connectable to the accessory and arranged in a first direction orthogonal to an attachment direction of the accessory. The plurality of contacts include first reference potential contacts that are contacts disposed at both ends of the plurality of contacts and are connected to a reference potential, and second reference potential contacts that are connected to the reference potential and are contacts disposed at both ends of part of the plurality of contacts other than the first reference potential contacts in a case where the accessory is connected to the part of the plurality of contacts.
    Type: Application
    Filed: October 6, 2022
    Publication date: February 2, 2023
    Inventors: Hiromichi Sakamoto, Kei Tohyama, Takayuki Shu, Hiromi Hayasaki, Kouji Ikeda, Yuhei Hattori, Kenji Ishii, Yoshinobu Okano
  • Publication number: 20230034671
    Abstract: An electronic apparatus to which an accessory is to be detachably attached includes a plurality of contacts electrically connectable to the accessory and arranged in a row. The contacts include a plurality of functional signal contacts to which signals having functions that are different functions according to a type of the accessory are connected, reference potential contacts, to each of which a reference potential is connected, and contacts that are used to supply power to the accessory or to communicate with the accessory. The functional signal contacts include a first functional signal contact and a second functional signal contact. A distance from the first functional signal contact to a reference potential contact closest to the first functional signal contact and a distance from the second functional signal contact to a reference potential contact closest to the second functional signal contact are different from each other.
    Type: Application
    Filed: October 6, 2022
    Publication date: February 2, 2023
    Inventors: Hiromi Hayasaki, Kei Tohyama, Hiromichi Sakamoto, Takayuki Shu, Kouji Ikeda, Yuhei Hattori, Kenji Ishii, Yoshinobu Okano
  • Publication number: 20220393398
    Abstract: A shoe apparatus attachable to and detachable from an accessory shoe apparatus of an electronic apparatus in a first direction includes a plurality of connection terminals arranged in a second direction orthogonal to the first direction, a shoe engagement portion engageable with the accessory shoe apparatus, and a terminal protecting portion configured to project from the shoe engagement portion toward a tip side in the first direction and to protect the plurality of connection terminals. The plurality of connection terminals are exposed in a direction orthogonal to the first and second directions from the terminal protecting portion, and include slopes that tilt in an exposed direction from inside to outside in the second direction on both sides in the second direction of the terminal protecting portion.
    Type: Application
    Filed: May 20, 2022
    Publication date: December 8, 2022
    Inventors: Yoshinobu Okano, Kenji Ishii, Hiromichi Sakamoto, Takayuki Shu, Hiromi Hayasaki, Kouji Ikeda, Yuhei Hattori, Kei Tohyama
  • Patent number: 11522562
    Abstract: Provided is an error correction decoding device including an inner code iterative decoding circuit, a parameter generation circuit, and a first control circuit. The first control circuit is configured to: receive, as parameters, a threshold and a maximum iteration count which are generated by the parameter generation circuit; and compare, when an iteration count does not reach the maximum iteration count, a non-zero-value count sequentially output from the inner code iterative decoding circuit and the threshold set for each iteration count, and stop an iterative operation by the inner code iterative decoding circuit when a result of the comparison satisfies a stopping condition set in advance.
    Type: Grant
    Filed: July 1, 2021
    Date of Patent: December 6, 2022
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hideo Yoshida, Yoshiaki Konishi, Kenji Ishii, Takashi Sugihara
  • Publication number: 20220350228
    Abstract: An electronic apparatus that is capable of reducing occurrence of malfunction when an accessory is attached without enlarging an accessory shoe device. The electronic apparatus includes an accessory shoe device and a controller. The accessory shoe device is electrically connectable with an accessory and has terminals that are arranged in a line in a first direction that intersects perpendicularly with an attaching direction of the accessory. The controller is electrically connected to the terminals. At least one of the terminals differs from the other terminals in a length of an externally exposed part in a second direction that intersects perpendicularly with both the attaching direction and the first direction.
    Type: Application
    Filed: April 15, 2022
    Publication date: November 3, 2022
    Inventors: Yoshinobu Okano, Kenji Ishii, Yuichi Ariga
  • Publication number: 20220294956
    Abstract: An image pickup apparatus, having a grip portion, an image sensor, and a mount portion receives attachment of an interchangeable lens, includes a control circuit, a display panel disposed on a rear face side of an exterior member, and a heat dissipation fan disposed on a bottom surface side of the exterior member. The image sensor, control circuit, and display panel are arranged in an optical axis direction. A duct, having a first vent, is disposed between the grip and mount portions of a front face of the exterior member, extends in the optical axis direction from a top toward a bottom surface side between substrates of the image sensor and the control circuit, and connects to a second vent formed across an optical axis. The heat dissipation fan is disposed inside the duct and is located on bottom surface sides of the image sensor and the control circuit substrates.
    Type: Application
    Filed: February 16, 2022
    Publication date: September 15, 2022
    Inventors: Koji Tamura, Takashi Yoshida, Kenji Ishii
  • Publication number: 20220294954
    Abstract: An image capturing apparatus, including an image capturing element and having an optical axis, includes a control circuit to control the image capturing apparatus, a display panel arranged on a rear surface side of an exterior member, and a heat dissipation fan arranged on a bottom surface side of the exterior member. An image capturing element board, a control circuit board, and the display panel are arranged in a direction of the optical axis. A duct, extending from a first ventilation hole to a second ventilation hole formed to face the first ventilation hole across the optical axis, passes through an area among the image capturing element board, the control circuit board, and the bottom surface side of the exterior member. The heat dissipation fan is arranged inside the duct arranged in the area, the control circuit board, and the bottom surface side of the exterior member.
    Type: Application
    Filed: February 15, 2022
    Publication date: September 15, 2022
    Inventors: Kenji Ishii, Takashi Yoshida, Koji Tamura
  • Publication number: 20220294955
    Abstract: An imaging apparatus, having an imaging element has top, bottom, front, and rear sides, includes exterior members, a control circuit on a control circuit board to control the imaging apparatus, a display panel on the rear side as one of the exterior members, and a heat release fan. The control circuit board and the display panel are arranged sequentially in a direction of an optical axis from the front side to the rear side. A duct having a vent formed on the duct rear side as one of the exterior members extends from the rear side to the front side and from the top side to the bottom side and connects to a bottom side vent formed on the bottom side as one of the exterior members. The heat release fan is inside the duct near the bottom side below the control circuit board as one of the exterior members.
    Type: Application
    Filed: February 15, 2022
    Publication date: September 15, 2022
    Inventors: Takashi Yoshida, Kenji Ishii, Koji Tamura
  • Publication number: 20220100055
    Abstract: A shoe device of an accessory that secures necessary functions and mechanical strength when the accessory is used with attaching to an electronic apparatus and that improves convenience during use when the accessory is used without attaching to an electronic apparatus. An engagement member is attachable to and detachable from an accessory shoe device of an electronic apparatus by sliding in a first direction. A holding member holds the engagement member. An attachment part is provided in the engagement member or the holding member and allows attachment of a member different from the accessory shoe device. A connection member has connection terminals arranged in a second direction that intersects perpendicularly with the first direction and is arranged in a front of the holding member in the first direction. The attachment part is provided behind the connection terminals in the first direction.
    Type: Application
    Filed: September 27, 2021
    Publication date: March 31, 2022
    Inventors: Yoshinobu Okano, Kenji Ishii, Keita Hirayama
  • Publication number: 20220094371
    Abstract: A decoder that is a decoding apparatus includes an error-correction decoder that executes error correction decoding processing of iteratively performing decoding processing with a window size and the number of decoding iterations indicated by decoding parameters, on received data converted into a spatially coupled low-density parity-check code, and a decoding parameter control unit that updates the decoding parameters on the basis of a decoding result obtained by the iteratively executed decoding processing.
    Type: Application
    Filed: December 7, 2021
    Publication date: March 24, 2022
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Kenji ISHII, Hideo YOSHIDA
  • Publication number: 20220082911
    Abstract: A shoe apparatus includes an engagement portion with an accessory shoe apparatus included in an electronic apparatus, a plurality of connection terminals, where a first direction is an attachment direction to the accessory shoe apparatus, which are arranged in a second direction orthogonal to the first direction, and located on a front side of the engagement portion in the attachment direction, and a connector that includes protrusion portions that protrude in a third direction orthogonal to the first and second directions on both outer sides of the plurality of connection terminals in the second direction. The protrusion portion includes a slope portion on a side that does not face the plurality of connection terminals such that a width in the second direction at a position of a tip in the third direction is narrower than a width at a position away from the tip.
    Type: Application
    Filed: November 23, 2021
    Publication date: March 17, 2022
    Inventors: Yoshinobu Okano, Kenji Ishii
  • Publication number: 20220082910
    Abstract: An electronic apparatus detachably attached to an accessory via an accessory shoe includes contacts electrically connectable to the accessory via the accessory shoe and arranged in a row. The contacts include a first signal contact used to transmit a data signal in a communication between the electronic apparatus and accessory, a second signal contact used to transmit a clock signal in synchronization with the data signal in the communication, and a third signal contact used to receive a communication request signal from the accessory. The first and second signal contacts are arranged next to each other. The third signal contact is disposed on an opposite side of the second signal contact with respect to the first signal contact. A transmission of the data signal via the first signal contact is executed in response to a reception of the communication request signal via the third signal contact.
    Type: Application
    Filed: November 23, 2021
    Publication date: March 17, 2022
    Inventors: Yuhei Hattori, Hiromichi Sakamoto, Kei Tohyama, Takayuki Shu, Hiromi Hayasaki, Kouji Ikeda, Kenji Ishii, Yoshinobu Okano