Patents by Inventor Katsumi Shibayama

Katsumi Shibayama 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: 11953733
    Abstract: A light source unit includes a plurality of light sources emitting light for irradiating an object, and a holding portion holding the plurality of light sources having an insertion hole for an optical fiber inserted therethrough to propagate the light from the object formed therein. The holding portion holds each of the plurality of light sources such that an irradiation region of the light of each of the plurality of light sources is formed on one side of the holding portion. The insertion hole has a first opening that is an opening facing the irradiation region and a second opening that is an opening different from the first opening, and is formed in the holding portion such that one end surface of the optical fiber is exposed from the first opening and faces the irradiation region when the optical fiber is inserted therethrough.
    Type: Grant
    Filed: October 1, 2021
    Date of Patent: April 9, 2024
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tomofumi Suzuki, Kazuo Iwazaki, Tatsuya Sugimoto, Katsumi Shibayama
  • Publication number: 20240110779
    Abstract: A mirror unit 2 includes a mirror device 20 including a base 21 and a movable mirror 22, an optical function member 13, and a fixed mirror 16 that is disposed on a side opposite to the mirror device 20 with respect to the optical function member 13. The mirror device 20 is provided with a light passage portion 24 that constitutes a first portion of an optical path between the beam splitter unit 3 and the fixed mirror 16. The optical function member 13 is provided with a light transmitting portion 14 that constitutes a second portion of the optical path between the beam splitter unit 3 and the fixed mirror 16. A second surface 21b of the base 21 and a third surface 13a of the optical function member 13 are joined to each other.
    Type: Application
    Filed: December 11, 2023
    Publication date: April 4, 2024
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Tomofumi SUZUKI, Kyosuke KOTANI, Tatsuya SUGIMOTO, Yutaka KURAMOTO, Katsumi SHIBAYAMA, Noburo HOSOKAWA, Hirokazu YAMAMOTO, Takuo KOYAMA
  • Patent number: 11947140
    Abstract: A suction method is provided as a method of performing, by using a suction collet, suction of a Fabry-Perot interference filter including a substrate and a laminated structure that is provided on the substrate and that includes a main surface facing the side opposite to the substrate, the method including a first step of arranging the suction collet so as to face the main surface, a second step of bringing the suction collet into contact with the Fabry-Perot interference filter after the first step, and a third step of suctioning the Fabry-Perot interference filter by using the suction collet after the second step.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: April 2, 2024
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Masaki Hirose, Katsumi Shibayama, Takashi Kasahara, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto
  • Patent number: 11879731
    Abstract: A mirror unit 2 includes a mirror device 20 including a base 21 and a movable mirror 22, an optical function member 13, and a fixed mirror 16 that is disposed on a side opposite to the mirror device 20 with respect to the optical function member 13. The mirror device 20 is provided with a light passage portion 24 that constitutes a first portion of an optical path between the beam splitter unit 3 and the fixed mirror 16. The optical function member 13 is provided with a light transmitting portion 14 that constitutes a second portion of the optical path between the beam splitter unit 3 and the fixed mirror 16. A second surface 21b of the base 21 and a third surface 13a of the optical function member 13 are joined to each other.
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: January 23, 2024
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tomofumi Suzuki, Kyosuke Kotani, Tatsuya Sugimoto, Yutaka Kuramoto, Katsumi Shibayama, Noburo Hosokawa, Hirokazu Yamamoto, Takuo Koyama
  • Publication number: 20240019304
    Abstract: A light detection device includes: a Fabry-Perot interference filter provided with a light transmission region; a light detector configured to detect light transmitted through the light transmission region; a package having an opening and accommodating the Fabry-Perot interference filter and the light detector; and a light transmitting unit arranged on an inner surface of the package so as to close an opening, the light transmitting unit including a band pass filter configured to transmit light incident on the light transmission region. When viewed from a direction parallel to the line, an outer edge of the Fabry-Perot interference filter is positioned outside an outer edge of the opening, and an outer edge of the light transmitting unit is positioned outside the outer edge of the Fabry-Perot interference filter.
    Type: Application
    Filed: September 27, 2023
    Publication date: January 18, 2024
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Masaki HIROSE, Katsumi SHIBAYAMA, Takashi KASAHARA, Toshimitsu KAWAI, Hiroki OYAMA, Yumi TERAMACHI
  • Patent number: 11865701
    Abstract: A suction method is provided as a method of performing, by using a suction collet, suction of a Fabry-Perot interference filter including: a substrate; a laminated structure that is provided on the substrate and that includes a main surface facing a side opposite to the substrate; and a thinned portion that is located outside the laminated structure when viewed in a direction intersecting the main surface and that is recessed to a side of the substrate with respect to the main surface, the method including: a first step of arranging the suction collet so as to face the main surface; a second step of bringing the suction collet into contact with the Fabry-Perot interference filter after the first step; and a third step of suctioning the Fabry-Perot interference filter by using the suction collet after the second step.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: January 9, 2024
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Masaki Hirose, Katsumi Shibayama, Takashi Kasahara, Toshimitsu Kawai, Hiroki Oyama, Yumi Kuramoto
  • Publication number: 20240004144
    Abstract: A light source unit includes a plurality of light sources emitting light for irradiating an object, and a holding portion holding the plurality of light sources having an insertion hole for an optical fiber inserted therethrough to propagate the light from the object formed therein. The holding portion holds each of the plurality of light sources such that an irradiation region of the light of each of the plurality of light sources is formed on one side of the holding portion. The insertion hole has a first opening that is an opening facing the irradiation region and a second opening that is an opening different from the first opening, and is formed in the holding portion such that one end surface of the optical fiber is exposed from the first opening and faces the irradiation region when the optical fiber is inserted therethrough.
    Type: Application
    Filed: October 1, 2021
    Publication date: January 4, 2024
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Tomofumi SUZUKI, Kazuo IWAZAKI, Tatsuya SUGIMOTO, Katsumi SHIBAYAMA
  • Patent number: 11835388
    Abstract: A light detection device includes: a Fabry-Perot interference filter provided with a light transmission region; a light detector configured to detect light transmitted through the light transmission region; a package having an opening and accommodating the Fabry-Perot interference filter and the light detector; and a light transmitting unit arranged on an inner surface of the package so as to close an opening, the light transmitting unit including a band pass filter configured to transmit light incident on the light transmission region. When viewed from a direction parallel to the line, an outer edge of the Fabry-Pert interference filter is positioned outside an outer edge of the opening, and an outer edge of the light transmitting unit is positioned outside the outer edge of the Fabry-Perot interference filter.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: December 5, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Masaki Hirose, Katsumi Shibayama, Takashi Kasahara, Toshimitsu Kawai, Hiroki Oyama, Yumi Teramachi
  • Publication number: 20230378201
    Abstract: A semiconductor substrate including a first main surface and a second main surface opposing each other is provided. The semiconductor substrate includes a first semiconductor region of a first conductivity type. The semiconductor substrate includes a plurality of planned regions where a plurality of second semiconductor regions of a second conductivity type forming pn junctions with the first semiconductor region are going to be formed, in a side of the second main surface. A textured region is formed on surfaces included in the plurality of planned regions, in the second main surface. The plurality of second semiconductor regions are formed in the plurality of planned regions after forming the textured region. The first main surface is a light incident surface of the semiconductor substrate.
    Type: Application
    Filed: July 31, 2023
    Publication date: November 23, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Tomoya TAGUCHI, Yuki Yoshida, Katsumi Shibayama
  • Publication number: 20230358610
    Abstract: A light detection device of the present invention includes: a wiring board; a first support part disposed on a mounting surface of the wiring board; a Fabry-Perot interference filter having a first mirror part and a second mirror part between which a distance is variable and having an outer edge portion disposed in a first support region of the first support part; a light detector disposed on the mounting surface to face the first mirror part and the second mirror part on one side of the first support part; and a temperature detector disposed on the mounting surface, wherein the temperature detector is disposed on the mounting surface such that at least a part of the temperature detector overlaps a part of the Fabry-Perot interference filter when seen in a first direction perpendicular to the mounting surface and such that at least a part of the temperature detector overlaps a part of the first support part when seen in a second direction in which the first support part and the light detector are aligned with
    Type: Application
    Filed: July 18, 2023
    Publication date: November 9, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Takashi KASAHARA, Katsumi SHIBAYAMA, Kei TABATA, Masaki HIROSE, Hiroki OYAMA, Yumi KURAMOTO
  • Patent number: 11796391
    Abstract: A light detection device includes: a first support part disposed on a mounting surface of the wiring board; a Fabry-Perot interference filter disposed in a first support region of the first support part; and a temperature detector, wherein the temperature detector is disposed on the mounting surface such that at least a part of the temperature detector overlaps a part of the Fabry-Perot interference filter when seen in a first direction perpendicular to the mounting surface and such that at least a part of the temperature detector overlaps a part of the first support part when seen in a second direction in which the first support part and the light detector are aligned with each other, and wherein a first distance between the temperature detector and the first support part in the second direction is smaller than a first width of the first support region in the second direction.
    Type: Grant
    Filed: October 6, 2020
    Date of Patent: October 24, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Takashi Kasahara, Katsumi Shibayama, Kei Tabata, Masaki Hirose, Hiroki Oyama, Yumi Kuramoto
  • Patent number: 11764236
    Abstract: A semiconductor substrate including a first main surface and a second main surface opposing each other is provided. The semiconductor substrate includes a first semiconductor region of a first conductivity type. The semiconductor substrate includes a plurality of planned regions where a plurality of second semiconductor regions of a second conductivity type forming pn junctions with the first semiconductor region are going to be formed, in a side of the second main surface. A textured region is formed on surfaces included in the plurality of planned regions, in the second main surface. The plurality of second semiconductor regions are formed in the plurality of planned regions after forming the textured region. The first main surface is a light incident surface of the semiconductor substrate.
    Type: Grant
    Filed: July 29, 2022
    Date of Patent: September 19, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tomoya Taguchi, Yuki Yoshida, Katsumi Shibayama
  • Publication number: 20230221106
    Abstract: In an optical device, a base and a movable unit are constituted by a semiconductor substrate including a first semiconductor layer, an insulating layer, and a second semiconductor layer in this order from one side in a predetermined direction. The base is constituted by the first semiconductor layer, the insulating layer, and the second semiconductor layer. The movable unit includes an arrangement portion that is constituted by the second semiconductor layer. The optical function unit is disposed on a surface of the arrangement portion on the one side. The first semiconductor layer that constitutes the base is thicker than the second semiconductor layer that constitutes the base. A surface of the base on the one side is located more to the one side than the optical function unit.
    Type: Application
    Filed: March 14, 2023
    Publication date: July 13, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Tomofumi Suzuki, Kyosuke Kotani, Tatsuya Gugimoto, Yutaka Kuramoto, Katsumi Shibayama, Noburo Hosokawa
  • Patent number: 11664405
    Abstract: Provided a semiconductor light detection element including: a semiconductor portion having a front surface including a light reception region that receives incident light and photoelectrically converting the incident light incident on the light reception region; a metal portion provided on the front surface; and a carbon nanotube film provided on the light reception region and formed by depositing a plurality of carbon nanotubes. The carbon nanotube film extends over an upper surface of the metal portion from an upper surface of the light reception region.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: May 30, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Kazuto Ofuji, Masashi Ito, Katsumi Shibayama, Akira Sakamoto
  • Publication number: 20230118479
    Abstract: A transportation method for transporting an object including a plurality of Fabry-Perot interference filters, the transportation method including a first step of accommodating the object in an accommodating container, wherein the Fabry-Perot interference filter includes a substrate, a first mirror portion and a second mirror portion provided on the substrate to face each other via a gap and in which a distance from each other is variable, and in the first step, the object is accommodated and supported in the accommodating container in a state where the plurality of Fabry-Perot interference filters is two-dimensionally arranged.
    Type: Application
    Filed: December 16, 2022
    Publication date: April 20, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Hiroki OYAMA, Katsumi SHIBAYAMA, Takashi KASAHARA, Masaki HIROSE, Toshimitsu KAWAI, Yumi KURAMOTO
  • Publication number: 20230122733
    Abstract: A transportation method for transporting an object including a plurality of Fabry-Perot interference filters, the transportation method including a first step of accommodating the object in an accommodating container, wherein the Fabry-Perot interference filter includes a substrate, a first mirror portion and a second mirror portion provided on the substrate to face each other via a gap and in which a distance from each other is variable, and in the first step, the object is accommodated and supported in the accommodating container in a state where the plurality of Fabry-Perot interference filters is two-dimensionally arranged.
    Type: Application
    Filed: December 16, 2022
    Publication date: April 20, 2023
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Hiroki Oyama, Katsumi Shibayama, Takashi Kasahara, Masaki Hirose, Toshimitsu Kawai, Yumi Kuramoto
  • Patent number: 11629947
    Abstract: In an optical device, a base and a movable unit are constituted by a semiconductor substrate including a first semiconductor layer, an insulating layer, and a second semiconductor layer in this order from one side in a predetermined direction. The base is constituted by the first semiconductor layer, the insulating layer, and the second semiconductor layer. The movable unit includes an arrangement portion that is constituted by the second semiconductor layer. The optical function unit is disposed on a surface of the arrangement portion on the one side. The first semiconductor layer that constitutes the base is thicker than the second semiconductor layer that constitutes the base. A surface of the base on the one side is located more to the one side than the optical function unit.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: April 18, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tomofumi Suzuki, Kyosuke Kotani, Tatsuya Sugimoto, Yutaka Kuramoto, Katsumi Shibayama, Noburo Hosokawa
  • Patent number: 11629946
    Abstract: A mirror unit 2 includes a mirror device 20 including a base 21 and a movable mirror 22, an optical function member 13, and a fixed mirror 16 that is disposed on a side opposite to the mirror device 20 with respect to the optical function member 13. The mirror device 20 is provided with a light passage portion 24 that constitutes a first portion of an optical path between the beam splitter unit 3 and the fixed mirror 16. The optical function member 13 is provided with a light transmitting portion 14 that constitutes a second portion of the optical path between the beam splitter unit 3 and the fixed mirror 16. A second surface 21b of the base 21 and a third surface 13a of the optical function member 13 are joined to each other.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: April 18, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tomofumi Suzuki, Kyosuke Kotani, Tatsuya Sugimoto, Yutaka Kuramoto, Katsumi Shibayama, Noburo Hosokawa, Hirokazu Yamamoto, Takuo Koyama
  • Patent number: 11624605
    Abstract: A mirror unit 2 includes a mirror device 20 including a base 21 and a movable mirror 22, an optical function member 13, and a fixed mirror 16 that is disposed on a side opposite to the mirror device 20 with respect to the optical function member 13. The optical function member 13 is provided with a light transmitting portion 14 that constitutes a part of an optical path between the beam splitter unit 3 and the fixed mirror 16. The light transmitting portion 14 is a portion that corrects an optical path difference that occurs between an optical path between the beam splitter unit 3 and the movable mirror 22 and the optical path between the beam splitter unit 3 and the fixed mirror 16. The second surface 21b of the base 21 and the third surface 13a of the optical function member 13 are joined to each other.
    Type: Grant
    Filed: July 6, 2018
    Date of Patent: April 11, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Tomofumi Suzuki, Kyosuke Kotani, Tatsuya Sugimoto, Yutaka Kuramoto, Katsumi Shibayama, Noburo Hosokawa, Hirokazu Yamamoto, Takuo Koyama
  • Patent number: 11624902
    Abstract: A wafer includes a substrate layer, a first mirror layer having a plurality of two-dimensionally arranged first mirror portions, and a second mirror layer having a plurality of two-dimensionally arranged second mirror portions. In the wafer, a gap is formed between the first mirror portion and the second mirror portion so as to form a plurality of Fabry-Perot interference filter portions. A wafer inspection method according to an embodiment includes a step of performing faulty/non-faulty determination of each of the plurality of Fabry-Perot interference filter portions, and a step of applying ink to at least part of a portion overlapping the gap when viewed in a facing direction on the second mirror layer of the Fabry-Perot interference filter portion determined as faulty.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: April 11, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Yumi Kuramoto, Katsumi Shibayama, Takashi Kasahara, Masaki Hirose, Toshimitsu Kawai, Hiroki Oyama