Patents by Inventor Hiroki Okuno

Hiroki Okuno 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: 11432394
    Abstract: An accelerator (30, 40, 50) includes: a plurality of acceleration cavities (31, 41, 51) having one or two acceleration gaps; and a plurality of first control means (33, 43, 53) provided with respect to each of the plurality of acceleration cavities, each of the plurality of first control means independently generating an oscillating electric field and controlling a motion of an ion beam inside a corresponding acceleration cavity. In addition, M-number of multipole magnets (32, 42, 52) which generate a magnetic field and which control a motion of an ion beam may be provided downstream to N-number of acceleration cavities. The first control means independently controls acceleration voltage and a phase thereof and supplies radiofrequency power. Accordingly, particularly in a front stage of acceleration, a DC beam from an ion generation source can be adiabatically captured.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: August 30, 2022
    Assignee: RIKEN
    Inventors: Hiroyoshi Sakurai, Hiroki Okuno, Yoshiharu Mori, Reiko Fujita, Masatoshi Kawashima
  • Publication number: 20220165446
    Abstract: A beam target for generating a nuclear reaction product by irradiation with a beam obtained from a beam generation source includes a cone body which has a tapered inner surface which is reduced in diameter toward a tip, and supply means for supplying liquid metal to the inner surface of the cone body to form a liquid film of the liquid metal on the inner surface. It is possible to form the liquid film of the liquid metal on a cone body surface to increase an irradiation area of the beam, and also dispose a target substance such as LLFP around the cone body, and hence it is possible to efficiently use the nuclear reaction product (e.g., a neutron) generated by beam irradiation of the liquid metal.
    Type: Application
    Filed: February 3, 2020
    Publication date: May 26, 2022
    Applicant: RIKEN
    Inventors: Hiroki OKUNO, Naoya FURUTACHI, Yoshiharu MORI
  • Publication number: 20210076482
    Abstract: An accelerator (30, 40, 50) includes: a plurality of acceleration cavities (31, 41, 51) having one or two acceleration gaps; and a plurality of first control means (33, 43, 53) provided with respect to each of the plurality of acceleration cavities, each of the plurality of first control means independently generating an oscillating electric field and controlling a motion of an ion beam inside a corresponding acceleration cavity. In addition, M-number of multipole magnets (32, 42, 52) which generate a magnetic field and which control a motion of an ion beam may be provided downstream to N-number of acceleration cavities. The first control means independently controls acceleration voltage and a phase thereof and supplies radiofrequency power. Accordingly, particularly in a front stage of acceleration, a DC beam from an ion generation source can be adiabatically captured.
    Type: Application
    Filed: August 31, 2018
    Publication date: March 11, 2021
    Applicant: RIKEN
    Inventors: Hiroyoshi SAKURAI, Hiroki OKUNO, Yoshiharu MORI, Reiko FUJITA, Masatoshi KAWASHIMA
  • Patent number: 9700920
    Abstract: A cleaning tool for a collection member includes a brush unit and a mount portion. The brush unit includes a bristle and a woven portion into which a root of the bristle is woven so as to be held by the woven portion. The mount portion includes a placement surface on which the woven portion is placed and a securing portion to which the brush unit is bonded. In the cleaning tool for the collection member, the woven portion includes two first outer surfaces that are located at respective ends of the placement surface and that extend parallel to a direction in which the bristle extends. In the cleaning tool for the collection member, the brush unit is secured to the mount portion by bonding a region that includes at least part of each of the two first outer surfaces to the securing portion with an adhesive.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: July 11, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Tomonori Kamo, Hideaki Fujita, Kazushi Fujioka, Hiroki Okuno
  • Patent number: 9612200
    Abstract: There is provided a particle detector that can increase a detection sensitivity to fluorescence emitted from biogenic particles. A particle detector for detecting biogenic particles includes a substrate having a principal surface and configured to collect the biogenic particles on the principal surface, a light emitting element configured to irradiate particles collected on the principal surface with excitation light, and a light receiving element configured to receive fluorescence emitted from the particles when the particles are irradiated with the excitation light from the light emitting element. An optical axis of the Fresnel lens and a ray direction of the excitation light intersect with each other. The principal surface is a mirror surface.
    Type: Grant
    Filed: October 24, 2014
    Date of Patent: April 4, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hideaki Fujita, Haruki Kamiyama, Kazushi Fujioka, Hiroki Okuno
  • Publication number: 20160332169
    Abstract: There is provided an electric dust collection device which can effectively capture fine particles while avoiding a pressure loss. The electric dust collection device is provided with a charging electrode, a dust collection electrode, and a repulsive electrode. Along a flowing direction of an airflow, the dust collection electrode is disposed downstream of the charging electrode, and the repulsive electrode is disposed downstream of the dust collection electrode. The dust collection electrode is formed of a conductive material which partitions a ventilation passage through the airflow pass in the flowing direction. The repulsive electrode forms an electric barrier which has the same polarity as that of the charging electrode with a posture that intersects the airflow in the flowing direction.
    Type: Application
    Filed: March 6, 2015
    Publication date: November 17, 2016
    Applicants: FUJITSU GENERAL LIMITED, FUJITSU GENERAL LIMITED
    Inventors: Syun IWANO, Hiroki OKUNO
  • Publication number: 20150321227
    Abstract: A cleaning tool for a collection member includes a brush unit and a mount portion. The brush unit includes a bristle and a woven portion into which a root of the bristle is woven so as to be held by the woven portion. The mount portion includes a placement surface on which the woven portion is placed and a securing portion to which the brush unit is bonded. In the cleaning tool for the collection member, the woven portion includes two first outer surfaces that are located at respective ends of the placement surface and that extend parallel to a direction in which the bristle extends. In the cleaning tool for the collection member, the brush unit is secured to the mount portion by bonding a region that includes at least part of each of the two first outer surfaces to the securing portion with an adhesive.
    Type: Application
    Filed: June 26, 2013
    Publication date: November 12, 2015
    Inventors: Tomonori KAMO, Hideaki FUJITA, Kazushi FUJIOKA, Hiroki OKUNO
  • Publication number: 20150276257
    Abstract: A filter for an electric dust collector includes: a conductive filter frame for surrounding a passage of airflow along a transverse plane that traverses the passage by being supported by a casing of the electric duct collector; and a mesh sheet arranged along the transverse plane, coupled to the filter frame, and having a conductive material at least partially on a surface of the mesh sheet, the conductive material being connected to the filter frame.
    Type: Application
    Filed: March 27, 2015
    Publication date: October 1, 2015
    Inventors: Syun IWANO, Hiroki OKUNO, Yusuke HAYASHI, Yasuaki HIROKAWA, Hironori AOKI
  • Patent number: 9057703
    Abstract: A particle detection device detects a biological particle. The particle detection device includes a collection unit that collects a particle to a collection substrate, a fluorescence detection unit that emits excitation light toward the particle collected on the collection substrate and receives fluorescence emitted from the particle, and a cleaning unit that removes the particle from the collection substrate at a refreshing position separated from a collection/heating position and a detection position. At the collection/heating position, the particle is collected onto the collection substrate by the collection unit. At the detection position, fluorescence is received by the fluorescence detection unit. With such a structure, the particle detection device in which the particle is highly accurately detected is provided.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: June 16, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Akihiro Suzuki, Hideaki Fujita, Seiichi Nagatome, Kazushi Fujioka, Hiroki Okuno
  • Publication number: 20150041681
    Abstract: There is provided a particle detector that can increase a detection sensitivity to fluorescence emitted from biogenic particles. A particle detector for detecting biogenic particles includes a substrate having a principal surface and configured to collect the biogenic particles on the principal surface, a light emitting element configured to irradiate particles collected on the principal surface with excitation light, and a light receiving element configured to receive fluorescence emitted from the particles when the particles are irradiated with the excitation light from the light emitting element. An optical axis of the Fresnel lens and a ray direction of the excitation light intersect with each other. The principal surface is a mirror surface.
    Type: Application
    Filed: October 24, 2014
    Publication date: February 12, 2015
    Inventors: Hideaki FUJITA, Haruki KAMIYAMA, Kazushi FUJIOKA, Hiroki OKUNO
  • Patent number: 8941932
    Abstract: A Fresnel lens includes an incident surface that is flat, and a prism-forming surface that has a plurality of prisms, the prism-forming surface being provided on the side of the Fresnel lens opposite to the incident surface. Each of the prisms has a converging surface that is located on the side away from the optical axis of the Fresnel lens.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: January 27, 2015
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Haruki Kamiyama, Hideaki Fujita, Kazushi Fujioka, Hiroki Okuno
  • Patent number: 8901512
    Abstract: There is provided a particle detector that can increase a detection sensitivity to fluorescence emitted from biogenic particles. A particle detector for detecting biogenic particles includes a substrate having a principal surface and configured to collect the biogenic particles on the principal surface, a light emitting element configured to irradiate particles collected on the principal surface with excitation light, and a light receiving element configured to receive fluorescence emitted from the particles when the particles are irradiated with the excitation light from the light emitting element. An optical axis of the Fresnel lens and a ray direction of the excitation light intersect with each other. The principal surface is a mirror surface.
    Type: Grant
    Filed: June 15, 2012
    Date of Patent: December 2, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Hideaki Fujita, Haruki Kamiyama, Kazushi Fujioka, Hiroki Okuno
  • Patent number: 8872653
    Abstract: An air purifier includes a detection apparatus, calculates a relative value of the number of microorganisms detected from airborne particles by the detection apparatus to a prescribed total value, and determines a central angle ? corresponding to the relative value. Further, regarding the number of airborne particles other than microorganisms detected by the detection apparatus as the number of dusts, relative value of dust particles to a prescribed total value is calculated, and the central angle ? corresponding to the relative value is determined. On a display panel, the amount of microorganisms is displayed as a bacteria meter by the area from the start position to the angle ?, and by the following area to the angle ?, the number of dusts is displayed as a dust meter, in a circle graph.
    Type: Grant
    Filed: August 17, 2010
    Date of Patent: October 28, 2014
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Hiroki Okuno
  • Publication number: 20140218810
    Abstract: A Fresnel lens includes an incident surface that is flat, and a prism-forming surface that has a plurality of prisms, the prism-forming surface being provided on the side of the Fresnel lens opposite to the incident surface. Each of the prisms has a converging surface that is located on the side away from the optical axis of the Fresnel lens.
    Type: Application
    Filed: June 15, 2012
    Publication date: August 7, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Haruki Kamiyama, Hideaki Fujita, Kazushi Fujioka, Hiroki Okuno
  • Publication number: 20140175304
    Abstract: A particle detection device detects a biological particle. The particle detection device includes a collection unit that collects a particle to a collection substrate, a fluorescence detection unit that emits excitation light toward the particle collected on the collection substrate and receives fluorescence emitted from the particle, and a cleaning unit that removes the particle from the collection substrate at a refreshing position separated from a collection/heating position and a detection position. At the collection/heating position, the particle is collected onto the collection substrate by the collection unit. At the detection position, fluorescence is received by the fluorescence detection unit. With such a structure, the particle detection device in which the particle is highly accurately detected is provided.
    Type: Application
    Filed: June 15, 2012
    Publication date: June 26, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Akihiro Suzuki, Hideaki Fujita, Seiichi Nagatome, Kazushi Fujioka, Hiroki Okuno
  • Publication number: 20140166903
    Abstract: There is provided a particle detector that can increase a detection sensitivity to fluorescence emitted from biogenic particles. A particle detector for detecting biogenic particles includes a substrate having a principal surface and configured to collect the biogenic particles on the principal surface, a light emitting element configured to irradiate particles collected on the principal surface with excitation light, and a light receiving element configured to receive fluorescence emitted from the particles when the particles are irradiated with the excitation light from the light emitting element. An optical axis of the Fresnel lens and a ray direction of the excitation light intersect with each other. The principal surface is a mirror surface.
    Type: Application
    Filed: June 15, 2012
    Publication date: June 19, 2014
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: Hideaki Fujita, Haruki Kamiyama, Kazushi Fujioka, Hiroki Okuno
  • Publication number: 20120315666
    Abstract: In a detection apparatus, an inlet and an outlet are opened and an air introducing mechanism is driven to introduce air to a case, and airborne particles are electrically attracted and held on a collecting jig 12. After introduction, the inlet and outlet are closed, and amount of fluorescence received by a light receiving element resulting from irradiation with light emitted from a light emitting element is measured by a measuring unit. Thereafter, the collecting jig is heated by a heater and the amount of fluorescence after heating is measured by the measuring unit. Based on the amount of change in the amount of fluorescence before and after heating, the amount of microorganisms collected by the collecting jig is calculated at the measuring unit.
    Type: Application
    Filed: July 7, 2010
    Publication date: December 13, 2012
    Inventors: Kazushi Fujioka, Kazuo Ban, Norie Matsui, Hiroki Okuno
  • Publication number: 20120154348
    Abstract: An air purifier includes a detection apparatus, calculates a relative value of the number of microorganisms detected from airborne particles by the detection apparatus to a prescribed total value, and determines a central angle ? corresponding to the relative value. Further, regarding the number of airborne particles other than microorganisms detected by the detection apparatus as the number of dusts, relative value of dust particles to a prescribed total value is calculated, and the central angle ? corresponding to the relative value is determined. On a display panel, the amount of microorganisms is displayed as a bacteria meter by the area from the start position to the angle ?, and by the following area to the angle ?, the number of dusts is displayed as a dust meter, in a circle graph.
    Type: Application
    Filed: August 17, 2010
    Publication date: June 21, 2012
    Inventor: Hiroki Okuno
  • Publication number: 20120136584
    Abstract: A light receiving element provides a current signal corresponding to an amount of received light scattered by suspended particles moving at a predetermined speed to a pulse width measurement circuit and a current-voltage conversion circuit via a filter circuit. A pulse width measured from the current signal is converted into a voltage value based on a predetermined relationship by a pulse width-voltage conversion circuit, and is provided to a voltage comparison circuit. The current-voltage conversion circuit converts a peak value of the current signal into a voltage value, and an amplifier circuit amplifies the signal at a predetermined amplification factor and provides the same to the voltage comparison circuit. The voltage comparison circuit uses the voltage value converted from the pulse width as a boundary value, and the suspended particles causing the scattered light are detected as microorganisms when the peak voltage value is smaller than the boundary value.
    Type: Application
    Filed: July 26, 2010
    Publication date: May 31, 2012
    Inventors: Kazuo Ban, Kazushi Fujioka, Norie Matsui, Shuhji Nishiura, Hiroki Okuno, Katsutoshi Takao
  • Publication number: 20120120379
    Abstract: An apparatus for controlling the distortion of a reticle (28) includes a temperature adjuster (258) and a control system (226). The temperature adjuster (258) includes a plurality of adjuster elements (258E) that individually adjust the temperature of a plurality of regions (28R) of the reticle (28). The control system (226) includes a state observer (250) and a controller (260). The state observer (250) estimates an estimated physical condition (250C) of the reticle (28). The controller (260) controls the adjuster elements (258E) of the temperature adjuster (258) based at least in part on the estimated physical condition (250C).
    Type: Application
    Filed: April 19, 2011
    Publication date: May 17, 2012
    Inventors: Alton H. Phillips, Douglas C. Watson, Hiromitsu Yoshimoto, Hiroki Okuno