Patents by Inventor Susumu Sato

Susumu Sato 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: 11031752
    Abstract: A surface-emitting laser according to an embodiment of the present disclosure includes a current constriction region having an opening and formed by impurities injected into a laminate from side of a second semiconductor layer; and a first DBR layer on side of a first semiconductor layer and a second DBR layer on the side of the second semiconductor layer having the laminate interposed therebetween at a position facing the opening. At the opening, an opening diameter close to the first DBR layer is larger than an opening diameter close to the second DBR layer.
    Type: Grant
    Filed: October 19, 2017
    Date of Patent: June 8, 2021
    Assignee: Sony Corporation
    Inventors: Tatsushi Hamaguchi, Jugo Mitomo, Hiroshi Nakajima, Masamichi Ito, Susumu Sato, Noriyuki Futagawa
  • Publication number: 20210151955
    Abstract: A method of manufacturing a light emitting element includes, at least: (A) forming a stacked structure 20 which includes a GaN-based compound semiconductor and in which a first compound semiconductor layer 21, an active layer 23, and a second compound semiconductor layer 22 are stacked, and forming a concave mirror section 43 on a first surface side of the first compound semiconductor layer 21; then (B) forming a photosensitive material layer 35 over the second compound semiconductor layer 22; and thereafter (C) exposing the photosensitive material layer 35 to light from the concave mirror section side through the stacked structure 20, to obtain a treatment mask layer including the photosensitive material layer 35, and then processing the second compound semiconductor layer 22 by use of the treatment mask layer.
    Type: Application
    Filed: April 27, 2018
    Publication date: May 20, 2021
    Inventors: Tatsushi HAMAGUCHI, Jugo MITOMO, Susumu SATO, Hiroshi NAKAJIMA, Masamichi ITO, Hidekazu KAWANISHI
  • Patent number: 11011888
    Abstract: A light-emitting device according to an embodiment of the present disclosure includes a laminate. The laminate includes an active layer, a first semiconductor layer, and a second semiconductor layer. The first semiconductor layer and the second semiconductor layer sandwich the active layer in between. The light-emitting device further includes a current confining layer, a concave-shaped first reflecting mirror provided on side of the first semiconductor layer, and a second reflecting mirror provided on side of the second semiconductor layer. The current confining layer has an opening. The first reflecting mirror and the second reflecting mirror sandwich the laminate and the opening in between. The light-emitting device further includes a first reflecting layer and a phosphor layer. The first reflecting layer is disposed at a position opposed to the first reflecting mirror with a predetermined gap in between.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: May 18, 2021
    Assignee: SONY CORPORATION
    Inventors: Jugo Mitomo, Tatsushi Hamaguchi, Hiroshi Nakajima, Masamichi Ito, Susumu Sato, Hidekazu Kawanishi
  • Publication number: 20210135428
    Abstract: A light emitting element according to the present disclosure includes a first light reflecting layer 41, a laminated structure 20, and a second light reflecting layer 42 laminated to each other. The laminated structure 20 includes a first compound semiconductor layer 21, a light emitting layer 23, and a second compound semiconductor layer 22 laminated to each other from a side of the first light reflecting layer. Light from the laminated structure 20 is emitted to an outside via the first light reflecting layer 41 or the second light reflecting layer 42. The first light reflecting layer 41 has a structure in which at least two types of thin films 41A and 41B are alternately laminated to each other in plural numbers. A film thickness modulating layer 80 is provided between the laminated structure 20 and the first light reflecting layer 41.
    Type: Application
    Filed: October 13, 2017
    Publication date: May 6, 2021
    Inventors: Tatsushi HAMAGUCHI, Jugo MITOMO, Hiroshi NAKAJIMA, Masamichi ITO, Susumu SATO
  • Publication number: 20210104870
    Abstract: A light-emitting element includes: a laminated structure body 20 which is formed from a GaN-based compound semiconductor and in which a first compound semiconductor layer 21 including a first surface 21a and a second surface 21b that is opposed to the first surface 21a, an active layer 23 that faces the second surface 21b of the first compound semiconductor layer 21, and a second compound semiconductor layer 22 including a first surface 22a that faces the active layer 23 and a second surface 22b that is opposed to the first surface 22a are laminated; a first light reflection layer 41 that is provided on the first surface 21a side of the first compound semiconductor layer 21; and a second light reflection layer 42 that is provided on the second surface 22b side of the second compound semiconductor layer 22. The first light reflection layer 41 includes a concave mirror portion 43, and the second light reflection layer 42 has a flat shape.
    Type: Application
    Filed: December 18, 2020
    Publication date: April 8, 2021
    Inventors: Susumu SATO, Tatsushi HAMAGUCHI, Shoichiro IZUMI, Noriyuki FUTAGAWA, Masamichi ITO, Jugo MITOMO, Hiroshi NAKAJIMA
  • Publication number: 20210009735
    Abstract: An acrylic rubber containing acrylate monomer units, methacrylate monomer units, and crosslinkable monomer units, wherein a glass transition temperature is ?20° C. or less, a change ratio in volume after a crosslinked rubber of the acrylic rubber is immersed in IRM903 oil at 150±2° C. for 72 hours is 0 to 100%, and a change ratio in weight after a crosslinked rubber of the acrylic rubber is immersed in hot water at 150±2° C. for 96 hours and dried is ?5.0 to 0%.
    Type: Application
    Filed: March 18, 2019
    Publication date: January 14, 2021
    Applicant: ZEON CORPORATION
    Inventors: Fumiaki BANDO, Susumu SATO
  • Publication number: 20210006040
    Abstract: A light emitting element includes a laminated structure formed by laminating a first light reflecting layer 41, a light emitting structure 20, and a second light reflecting layer 42. The light emitting structure 20 is formed by laminating, from the first light reflecting layer side, a first compound semiconductor layer 21, an active layer 23, and a second compound semiconductor layer 22. In the laminated structure 20, at least two light absorbing material layers 51 are formed in parallel to a virtual plane occupied by the active layer 23.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 7, 2021
    Inventors: TATSUSHI HAMAGUCHI, SHOICHIRO IZUMI, SUSUMU SATO, NORIYUKI FUTAGAWA
  • Patent number: 10873174
    Abstract: A light-emitting element includes: a laminated structure body 20 which is formed from a GaN-based compound semiconductor and in which a first compound semiconductor layer 21 including a first surface 21a and a second surface 21b that is opposed to the first surface 21a, an active layer 23 that faces the second surface 21b of the first compound semiconductor layer 21, and a second compound semiconductor layer 22 including a first surface 22a that faces the active layer 23 and a second surface 22b that is opposed to the first surface 22a are laminated; a first light reflection layer 41 that is provided on the first surface 21a side of the first compound semiconductor layer 21; and a second light reflection layer 42 that is provided on the second surface 22b side of the second compound semiconductor layer 22. The first light reflection layer 41 includes a concave mirror portion 43, and the second light reflection layer 42 has a flat shape.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: December 22, 2020
    Assignee: Sony Corporation
    Inventors: Susumu Sato, Tatsushi Hamaguchi, Shoichiro Izumi, Noriyuki Futagawa, Masamichi Ito, Jugo Mitomo, Hiroshi Nakajima
  • Patent number: 10826275
    Abstract: A light emitting element includes a laminated structure formed by laminating a first light reflecting layer 41, a light emitting structure 20, and a second light reflecting layer 42. The light emitting structure 20 is formed by laminating, from the first light reflecting layer side, a first compound semiconductor layer 21, an active layer 23, and a second compound semiconductor layer 22. In the laminated structure 20, at least two light absorbing material layers 51 are formed in parallel to a virtual plane occupied by the active layer 23.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: November 3, 2020
    Assignee: SONY CORPORATION
    Inventors: Tatsushi Hamaguchi, Shoichiro Izumi, Susumu Sato, Noriyuki Futagawa
  • Patent number: 10806273
    Abstract: A mattress including: a support surface to support a user; a mattress main body that constitutes the support surface; at least one pressure sensor having a flexible sheet shape to detect a pressure acting on the support surface; a support surface cover positioned with respect to the mattress main body and arranged so as to cover the support surface; and at least one positioning member provided to the support surface cover to permit a movement of the pressure sensor with respect to the support surface cover in a planar direction while limiting an amount of the movement of the pressure sensor with respect to the support surface cover in the planar direction such that the pressure sensor is positioned on the support surface by the positioning member.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: October 20, 2020
    Assignee: SUMITOMO RIKO COMPANY LIMITED
    Inventors: Yasuhiro Nakamura, Susumu Sato, Akitsugu Misaki, Tomonori Hayakawa
  • Publication number: 20200176952
    Abstract: A surface emitting laser includes: a semiconductor layer containing a nitride semiconductor, and including a first semiconductor layer, an active layer, and a second semiconductor layer that are stacked in this order, in which the semiconductor layer includes a light emitting region; and a first light reflecting layer and a second light reflecting layer that are opposed to each other with the semiconductor layer being disposed therebetween. The first semiconductor layer has a high dislocation portion disposed outside the light emitting region. The high dislocation portion has an average dislocation density higher than an average dislocation density of the light emitting region.
    Type: Application
    Filed: April 17, 2018
    Publication date: June 4, 2020
    Inventors: HIROSHI NAKAJIMA, TATSUSHI HAMAGUCHI, JUGO MITOMO, SUSUMU SATO, MASAMICHI ITO, HIDEKAZU KAWANISHI
  • Publication number: 20200169061
    Abstract: A light emitting element includes: a laminated structure 20 obtained by laminating a first compound semiconductor layer 21, an active layer 23, and a second compound semiconductor layer 22; a first light reflecting layer 41 disposed on a first surface side of the first compound semiconductor layer 21; a second light reflecting layer 42 disposed on a second surface side of the second compound semiconductor layer 22; and light convergence/divergence changing means 50. The first light reflecting layer 41 is formed on a concave mirror portion 43. The second light reflecting layer 42 has a flat shape. When light generated in the active layer 23 is emitted to the outside, a light convergence/divergence state before the light is incident on the light convergence/divergence changing means 50 is different from a light convergence/divergence state after the light passes through the light convergence/divergence changing means 50.
    Type: Application
    Filed: May 9, 2018
    Publication date: May 28, 2020
    Inventors: Jugo MITOMO, Tatsushi HAMAGUCHI, Hiroshi NAKAJIMA, Masamichi ITO, Susumu SATO
  • Publication number: 20200112141
    Abstract: A light-emitting device according to an embodiment of the present disclosure includes a laminate. The laminate includes an active layer, and a first semiconductor layer and a second semiconductor layer sandwiching the active layer. This light-emitting device further includes a current constriction layer having an opening and a vertical resonator including a first reflecting mirror having a concave-curved shape on the first semiconductor layer side and a second reflecting mirror on the second semiconductor side. The first reflecting mirror and the second reflecting mirror sandwich the laminate and the opening. This light-emitting device further includes an optically transparent substrate between the first reflecting mirror and the laminate. The optically transparent substrate has a first convex portion having a convex-curved shape and one or more second convex portions on a surface on the side opposite to the laminate. The first convex portion is in contact with the first reflecting mirror.
    Type: Application
    Filed: April 16, 2018
    Publication date: April 9, 2020
    Inventors: Susumu SATO, Tatsushi HAMAGUCHI, Jugo MITOMO, Hiroshi NAKAJIMA, Masamichi ITO, Hidekazu KAWANISHI
  • Patent number: 10587786
    Abstract: An imaging device (10) is configured by being provided with an image pickup element (40) where an imaging surface (41) having a concave surface facing an object side is formed, an imaging optical system (20) which forms an image on the imaging surface (41) in a range smaller than the imaging surface (41), and an oscillating drive section (30) which oscillating-drives the imaging optical system (20) so that a direction of an optical axis Z of the imaging optical system changes. The imaging element (40) captures a first formed by the imaging optical system (20) with a direction of the optical axis Z set to a first direction and a 2nd formed by the imaging optical system (20) with a direction of the optical axis Z set to a 2nd direction, in different regions in the imaging surfaces (41).
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: March 10, 2020
    Assignee: NIKON CORPORATION
    Inventors: Norio Murayama, Susumu Sato, Daisaku Arai, Misa Kawamura, Marie Shimoyama
  • Publication number: 20200028325
    Abstract: A light-emitting device according to an embodiment of the present disclosure includes a laminate. The laminate includes an active layer, a first semiconductor layer, and a second semiconductor layer. The first semiconductor layer and the second semiconductor layer sandwich the active layer in between. The light-emitting device further includes a current confining layer, a concave-shaped first reflecting mirror provided on side of the first semiconductor layer, and a second reflecting mirror provided on side of the second semiconductor layer. The current confining layer has an opening. The first reflecting mirror and the second reflecting mirror sandwich the laminate and the opening in between. The light-emitting device further includes a first reflecting layer and a phosphor layer. The first reflecting layer is disposed at a position opposed to the first reflecting mirror with a predetermined gap in between.
    Type: Application
    Filed: March 5, 2018
    Publication date: January 23, 2020
    Inventors: JUGO MITOMO, TATSUSHI HAMAGUCHI, HIROSHI NAKAJIMA, MASAMICHI ITO, SUSUMU SATO, HIDEKAZU KAWANISHI
  • Publication number: 20200020933
    Abstract: The negative electrode active material has a core portion containing at least one of silicon, tin, or germanium and a covering portion covering at least a part of a surface of the core portion and the covering portion contains a phosphoric acid-containing compound.
    Type: Application
    Filed: June 21, 2019
    Publication date: January 16, 2020
    Inventors: Daisuke ITO, Susumu SATO, Kenji KATORI
  • Publication number: 20200001460
    Abstract: A safety device is provided to prevent danger caused by collisions between a moving part of an automatic device and a detection target, and includes a collision detection member, detecting approach or contact of the moving part and the detection target; a moving part control device, accelerating, decelerating or stopping movements of the moving part based on a detection signal from the collision detection member; a dangerous state detection member, setting a danger region where the moving part and the detection target can collide, and detecting whether the moving part or the detection target is located in the danger region; and a collision detection control device, enabling or disabling, based on the detection signal from the dangerous state detection member, the detections of the approach or contact of the moving part and the detection target by the collision detection member.
    Type: Application
    Filed: September 9, 2019
    Publication date: January 2, 2020
    Applicant: Sumitomo Riko Company Limited
    Inventors: Susumu SATO, Tomohiro FUJIKAWA
  • Publication number: 20190368950
    Abstract: Provided is a sensor device having a structure, with which the use of a simple structure enables accurate detection of a worker, etc. approaching or contacting a moving part of an automatic device. This sensor device detects the approach or contact of a detection target with a mobile moving part that is provided in an automatic device. The moving part is provided with a first sensor and second sensor for detecting the approach or contact of the detection target. The first sensor and second sensor have the same detection principle and the detection circuit of the first sensor and the detection circuit of the second sensor have the same structure.
    Type: Application
    Filed: August 16, 2019
    Publication date: December 5, 2019
    Applicant: Sumitomo Riko Company Limited
    Inventors: Junya KAWAGUCHI, Tomohiro FUJIKAWA, Susumu SATO, Shota YAMAMOTO
  • Publication number: 20190368658
    Abstract: A sensor device is provided which detects approach or in contact of a detection target with a moving part of an automatic device, and comprises a first sensor that detects the detection target at a position away from the moving part, a second sensor that detects the detection target at a position closer to the moving part than the first sensor, and a third sensor that detects the detection target at a position closer to the moving part than the first sensor. The approach of the detection target to the moving part is detected by both the second sensor and the third sensor at a position closer to the moving part than a position that can be detected by the first sensor.
    Type: Application
    Filed: August 16, 2019
    Publication date: December 5, 2019
    Applicant: Sumitomo Riko Company Limited
    Inventors: Susumu SATO, Junya KAWAGUCHI, Tomohiro FUJIKAWA, Shota YAMAMOTO
  • Publication number: 20190334318
    Abstract: A surface-emitting laser according to an embodiment of the present disclosure includes a current constriction region having an opening and formed by impurities injected into a laminate from side of a second semiconductor layer; and a first DBR layer on side of a first semiconductor layer and a second DBR layer on the side of the second semiconductor layer having the laminate interposed therebetween at a position facing the opening. At the opening, an opening diameter close to the first DBR layer is larger than an opening diameter close to the second DBR layer.
    Type: Application
    Filed: October 19, 2017
    Publication date: October 31, 2019
    Inventors: Tatsushi HAMAGUCHI, Jugo MITOMO, Hiroshi NAKAJIMA, Masamichi ITO, Susumu SATO, Noriyuki FUTAGAWA