Patents by Inventor Koichi Izu

Koichi Izu 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: 11464097
    Abstract: An electronic device comprises: a detection unit configured to detect movement of a person; and a control unit configured to, in a case where the detection unit detects a first movement of the person, control an operation unit such that the operation unit is changed from a first state to a second state and maintains the second state for a first predetermined period, wherein, in a case where the detection unit detects a second movement of the person in a predetermined detection period spanning from before an end time of the first predetermined period until after the end time, the control unit controls the operation unit such that the operation unit maintains the second state until an end of a second predetermined period changed from the first predetermined period according to an aspect of the second movement.
    Type: Grant
    Filed: September 21, 2020
    Date of Patent: October 4, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Koichi Izu
  • Publication number: 20210176086
    Abstract: A notification control system includes a controller configured to determine a notification execution device for executing a notification, and a storage unit configured to store electronic devices capable of executing the notification. The controller includes a notification data acquisition unit configured to acquire notification data related to the notification. When the notification data acquisition unit has acquired notification data, the controller determines a notification execution device from among the electronic devices stored in the storage unit based on a prescribed condition, and causes the determined notification execution device to execute the notification based on the notification data.
    Type: Application
    Filed: December 7, 2020
    Publication date: June 10, 2021
    Inventor: KOICHI IZU
  • Publication number: 20210105884
    Abstract: An electronic device comprises: a detection unit configured to detect movement of a person; and a control unit configured to, in a case where the detection unit detects a first movement of the person, control an operation unit such that the operation unit is changed from a first state to a second state and maintains the second state for a first predetermined period, wherein, in a case where the detection unit detects a second movement of the person in a predetermined detection period spanning from before an end time of the first predetermined period until after the end time, the control unit controls the operation unit such that the operation unit maintains the second state until an end of a second predetermined period changed from the first predetermined period according to an aspect of the second movement.
    Type: Application
    Filed: September 21, 2020
    Publication date: April 8, 2021
    Inventor: KOICHI IZU
  • Patent number: 10320160
    Abstract: An ion generation apparatus that can facilitate the separation of adhering materials from a discharge electrode and efficiently generate ions includes an induction electrode, and a discharge electrode for generating ions between the discharge electrode and the induction electrode. The discharge electrode has a plurality of filament-like conductors, and a joining portion to tie the bottoms of the conductors together. The induction electrode is arranged at the bottom side of the conductors.
    Type: Grant
    Filed: August 27, 2014
    Date of Patent: June 11, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiromu Nishida, Nobuyuki Ohe, Koichi Izu
  • Patent number: 10096977
    Abstract: In an ion generation apparatus, induction electrodes are formed on a surface of a substrate, holes are provided inside the induction electrodes, respectively, needle electrodes are disposed in a substrate, and tip end portions of the needle electrodes are inserted into the holes, respectively. Furthermore, a part of each of the induction electrodes is removed, thereby reducing the size of the substrate for entire size reduction. By such a configuration, it becomes possible to provide an ion generation apparatus that can stably generate ions even in a high humidity environment and that can be mounted also in small-sized electrical equipment.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: October 9, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiromu Nishida, Koichi Izu, Nobuyuki Ohe
  • Patent number: 9985420
    Abstract: A discharge device capable of maintaining a stable discharge performance even in a highly humid environment or an atmospheric environment containing salt includes a discharge electrode discharging when a voltage is applied thereto, a substrate supporting the discharge electrode, an induction electrode arranged apart from the discharge electrode, and an insulator enclosing all of the substrate and the induction electrode. The discharge electrode has a root portion supported by the substrate, a pointed end protruding from a surface of the insulator, and a taper portion tapering from the root portion toward the pointed end. An outer peripheral surface of the root portion is made of a material having an ionization tendency lower than that of hydrogen.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: May 29, 2018
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yoshinori Sekoguchi, Nobuyuki Ohe, Hiromu Nishida, Koichi Izu, Minako Taniguchi, Keitaro Yamada
  • Patent number: 9922792
    Abstract: A housing, a substrate accommodated in the housing, a needle electrode for generating ions through discharging, which is held by the substrate such that a tip end portion protrudes outside the housing, an insulating sealing portion insulating and sealing the substrate in the housing, and an electrode protection portion for protecting the needle electrode outside the housing are included. The housing is provided with an opening portion through which a side of the tip end portion of the needle electrode is inserted and which is sealed with the insulating sealing portion. The electrode protection portion has a first protection portion and a second protection portion which are provided to protrude from the housing relative to the tip end portion of the needle electrode and opposed to each other at a distance from each other on opposing sides of the needle electrode.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: March 20, 2018
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiromu Nishida, Koichi Izu, Nobuyuki Ohe, Yoshinori Sekoguchi
  • Publication number: 20170316910
    Abstract: A housing, a substrate accommodated in the housing, a needle electrode for generating ions through discharging, which is held by the substrate such that a tip end portion protrudes outside the housing, an insulating sealing portion insulating and sealing the substrate in the housing, and an electrode protection portion for protecting the needle electrode outside the housing are included. The housing is provided with an opening portion through which a side of the tip end portion of the needle electrode is inserted and which is sealed with the insulating sealing portion. The electrode protection portion has a first protection portion and a second protection portion which are provided to protrude from the housing relative to the tip end portion of the needle electrode and opposed to each other at a distance from each other on opposing sides of the needle electrode.
    Type: Application
    Filed: July 19, 2017
    Publication date: November 2, 2017
    Inventors: Hiromu NISHIDA, Koichi IZU, Nobuyuki OHE, Yoshinori SEKOGUCHI
  • Patent number: 9754757
    Abstract: A housing, a substrate accommodated in the housing, a needle electrode for generating ions through discharging, which is held by the substrate such that a tip end portion protrudes outside the housing, an insulating sealing portion insulating and sealing the substrate in the housing, and an electrode protection portion for protecting the needle electrode outside the housing are included. The housing is provided with an opening portion through which a side of the tip end portion of the needle electrode is inserted and which is sealed with the insulating sealing portion. The electrode protection portion has a first protection portion and a second protection portion which are provided to protrude from the housing relative to the tip end portion of the needle electrode and opposed to each other at a distance from each other on opposing sides of the needle electrode.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: September 5, 2017
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hiromu Nishida, Koichi Izu, Nobuyuki Ohe, Yoshinori Sekoguchi
  • Patent number: 9514909
    Abstract: In this ion generation apparatus, tip end portions of needle electrodes are aligned in an X direction with being oriented in a Z direction, and protrude from a casing. A protective cover covers the tip end portions of the needle electrodes. The protective cover is provided with holes opened to allow tip ends of the needle electrodes to be seen from the Z direction, and an opening opened to allow the needle electrodes to be seen from a Y direction. Therefore, ions generated at the tip end portions of the needle electrodes can be emitted efficiently out of the casing. Further, a user can be prevented from touching the tip end portion of the needle electrode and injuring his or her finger or the like.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: December 6, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hiromu Nishida, Koichi Izu
  • Publication number: 20160218490
    Abstract: In an ion generation apparatus, induction electrodes are formed on a surface of a substrate, holes are provided inside the induction electrodes, respectively, needle electrodes are disposed in a substrate, and tip end portions of the needle electrodes are inserted into the holes, respectively. Furthermore, a part of each of the induction electrodes is removed, thereby reducing the size of the substrate for entire size reduction. By such a configuration, it becomes possible to provide an ion generation apparatus that can stably generate ions even in a high humidity environment and that can be mounted also in small-sized electrical equipment.
    Type: Application
    Filed: August 26, 2014
    Publication date: July 28, 2016
    Inventors: Hiromu NISHIDA, Koichi IZU, Nobuyuki OHE
  • Publication number: 20160211654
    Abstract: A discharge device capable of maintaining a stable discharge performance even in a highly humid environment or an atmospheric environment containing salt includes a discharge electrode discharging when a voltage is applied thereto, a substrate supporting the discharge electrode, an induction electrode arranged apart from the discharge electrode, and an insulator enclosing all of the substrate and the induction electrode. The discharge electrode has a root portion supported by the substrate, a pointed end protruding from a surface of the insulator, and a taper portion tapering from the root portion toward the pointed end. An outer peripheral surface of the root portion is made of a material having an ionization tendency lower than that of hydrogen.
    Type: Application
    Filed: September 17, 2014
    Publication date: July 21, 2016
    Inventors: Yoshinori SEKOGUCHI, Nobuyuki OHE, Hiromu NISHIDA, Koichi IZU, Minako TANIGUCHI, Keitaro YAMADA
  • Publication number: 20160204581
    Abstract: An ion generation apparatus that can facilitate the separation of adhering materials from a discharge electrode and efficiently generate ions includes an induction electrode, and a discharge electrode for generating ions between the discharge electrode and the induction electrode. The discharge electrode has a plurality of filament-like conductors, and a joining portion to tie the bottoms of the conductors together. The induction electrode is arranged at the bottom side of the conductors.
    Type: Application
    Filed: August 27, 2014
    Publication date: July 14, 2016
    Inventors: Hiromu NISHIDA, Nobuyuki OHE, Koichi IZU
  • Publication number: 20160104595
    Abstract: A housing, a substrate accommodated in the housing, a needle electrode for generating ions through discharging, which is held by the substrate such that a tip end portion protrudes outside the housing, an insulating sealing portion insulating and sealing the substrate in the housing, and an electrode protection portion for protecting the needle electrode outside the housing are included. The housing is provided with an opening portion through which a side of the tip end portion of the needle electrode is inserted and which is sealed with the insulating sealing portion. The electrode protection portion has a first protection portion and a second protection portion which are provided to protrude from the housing relative to the tip end portion of the needle electrode and opposed to each other at a distance from each other on opposing sides of the needle electrode.
    Type: Application
    Filed: February 27, 2014
    Publication date: April 14, 2016
    Inventors: Hiromu NISHIDA, Koichi IZU, Nobuyuki OHE, Yoshinori SEKOGUCHI
  • Publication number: 20140103793
    Abstract: In this ion generation apparatus, tip end portions of needle electrodes are aligned in an X direction with being oriented in a Z direction, and protrude from a casing. A protective cover covers the tip end portions of the needle electrodes. The protective cover is provided with holes opened to allow tip ends of the needle electrodes to be seen from the Z direction, and an opening opened to allow the needle electrodes to be seen from a Y direction. Therefore, ions generated at the tip end portions of the needle electrodes can be emitted efficiently out of the casing. Further, a user can be prevented from touching the tip end portion of the needle electrode and injuring his or her finger or the like.
    Type: Application
    Filed: April 18, 2012
    Publication date: April 17, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Hiromu Nishida, Koichi Izu