Patents by Inventor Hiroto Katsura

Hiroto Katsura 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: 11969919
    Abstract: Provided is a method of manufacturing a sensor. The sensor has a casing having an opening portion, a clamp having a recessed part on its outer periphery and having one end inserted into the opening portion, and a sealing ring attached to the recessed part and disposed between the casing and the clamp. The method includes using a first divided mold to form a first component of the clamp, the first component including a main body portion and a first part located at one end side of the main body portion and forming a part of the recessed part. The first divided mold is divided so that a dividing surface intersects the main body portion and separates in an axial direction of the main body portion.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: April 30, 2024
    Assignee: OMRON Corporation
    Inventors: Yusuke Nakayama, Daisuke Inoue, Yuki Ushiro, Takaaki Sanda, Hiroto Katsura
  • Patent number: 11855621
    Abstract: A sensor is provided with a cylindrical-shaped housing which has an opening formed at one end, an electronic component which is housed in the housing, a cylindrical-shaped clamp of which one end is inserted into the housing from the opening, and a sealing resin which seals the gap between the inner wall of the housing and the outer wall of the clamp. On the outer wall, the clamp has a rib which rises towards the inner wall of the housing. The rib includes an apex and a sloped surface which extends from the apex towards another end of the clamp and which intersects the outer wall of the clamp. The sealing resin, which exudes from between the inner wall of the housing and the apex and which is positioned on the sloped surface, has a recess resulting from surface tension.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: December 26, 2023
    Assignee: OMRON Corporation
    Inventors: Yusuke Nakayama, Daisuke Inoue, Yuki Ushiro, Takaaki Sanda, Hiroto Katsura, Naomi Uehara, Masaki Nakamura, Toyohiro Imaizumi
  • Patent number: 11664802
    Abstract: Provided is a proximity sensor that can limit degradation in voltage resistance. A proximity sensor includes: a housing; a coil portion that is accommodated in one end of the housing; a clamp portion that is connected to the other end of the housing; a substrate which is accommodated inside the housing and the clamp portion, and on which a circuit electrically connected to the coil portion is mounted; a shield that covers a part of the substrate located on a side of the housing; and a resin portion which is arranged inside the housing and the clamp portion, and covers at least a part of the substrate. The shield has an extension portion which extends to an inside of the clamp portion and covers at least a part of the circuit located inside the clamp portion.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: May 30, 2023
    Assignee: OMRON Corporation
    Inventors: Yuki Ushiro, Daisuke Inoue, Yusuke Nakayama, Hiroto Katsura
  • Patent number: 11467310
    Abstract: This proximity sensor includes: a cylindrical housing having an opening at one end in the axial direction; a detection part housed at the other end of the housing and detecting the presence or absence of a detection target contactlessly; a substrate housed in the housing and mounted with a control circuit for controlling the detection part; a detection part shield preventing external noise from entering the detection part and including a first face part adhered to the front surface on the other side of the detection part, and a side face part configured from multiple side pieces connected to the outer periphery of the first face part and bent from the first face part to cover the side surface of the detection part; and a resin provided around the detection part and the detection part shield.
    Type: Grant
    Filed: October 30, 2019
    Date of Patent: October 11, 2022
    Assignee: OMRON Corporation
    Inventors: Yusuke Nakayama, Daisuke Inoue, Yuki Ushiro, Takaaki Sanda, Hiroto Katsura
  • Patent number: 11346691
    Abstract: The sensor adaptor includes a case body of which a front end is closed and a rear end is open, a cap body being engageable with the rear end of the case body, a seal member interposed between the case body and the cap body, and a fixing portion configured to fix the case body to the mounting portion. A part of the sensor is inserted into an accommodation space of the case body, and the remaining portion of the sensor is drawn out to the outside via an opening of the cap body. The seal member is disposed on a rear end side of the case body to surround the sensor. The seal member is brought into close contact with the case body and the sensor. Accordingly, a gap between the part of the sensor and the case body is sealed from an external space by the seal member.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: May 31, 2022
    Assignee: OMRON Corporation
    Inventors: Yuki Ushiro, Hiroto Katsura, Makoto Iwai, Hiroyuki Tsuchida, Yusuke Nakayama
  • Publication number: 20220094359
    Abstract: Provided is a proximity sensor that can limit degradation in voltage resistance. A proximity sensor includes: a housing; a coil portion that is accommodated in one end of the housing; a clamp portion that is connected to the other end of the housing; a substrate which is accommodated inside the housing and the clamp portion, and on which a circuit electrically connected to the coil portion is mounted; a shield that covers a part of the substrate located on a side of the housing; and a resin portion which is arranged inside the housing and the clamp portion, and covers at least a part of the substrate. The shield has an extension portion which extends to an inside of the clamp portion and covers at least a part of the circuit located inside the clamp portion.
    Type: Application
    Filed: March 9, 2020
    Publication date: March 24, 2022
    Applicant: OMRON Corporation
    Inventors: Yuki USHIRO, Daisuke INOUE, Yusuke NAKAYAMA, Hiroto KATSURA
  • Publication number: 20210394402
    Abstract: Provided is a method of manufacturing a sensor. The sensor has a casing having an opening portion, a clamp having a recessed part on its outer periphery and having one end inserted into the opening portion, and a sealing ring attached to the recessed part and disposed between the casing and the clamp. The method includes using a first divided mold to form a first component of the clamp, the first component including a main body portion and a first part located at one end side of the main body portion and forming a part of the recessed part. The first divided mold is divided so that a dividing surface intersects the main body portion and separates in an axial direction of the main body portion.
    Type: Application
    Filed: November 6, 2019
    Publication date: December 23, 2021
    Applicant: OMRON Corporation
    Inventors: Yusuke NAKAYAMA, Daisuke INOUE, Yuki USHIRO, Takaaki SANDA, Hiroto KATSURA
  • Publication number: 20210356618
    Abstract: This proximity sensor includes: a cylindrical housing having an opening at one end in the axial direction; a detection part housed at the other end of the housing and detecting the presence or absence of a detection target contactlessly; a substrate housed in the housing and mounted with a control circuit for controlling the detection part; a detection part shield preventing external noise from entering the detection part and including a first face part adhered to the front surface on the other side of the detection part, and a side face part configured from multiple side pieces connected to the outer periphery of the first face part and bent from the first face part to cover the side surface of the detection part; and a resin provided around the detection part and the detection part shield.
    Type: Application
    Filed: October 30, 2019
    Publication date: November 18, 2021
    Applicant: OMRON Corporation
    Inventors: Yusuke NAKAYAMA, Daisuke INOUE, Yuki USHIRO, Takaaki SANDA, Hiroto KATSURA
  • Publication number: 20210359680
    Abstract: A sensor is provided with a cylindrical-shaped housing which has an opening formed at one end, an electronic component which is housed in the housing, a cylindrical-shaped clamp of which one end is inserted into the housing from the opening, and a sealing resin which seals the gap between the inner wall of the housing and the outer wall of the clamp. On the outer wall, the clamp has a rib which rises towards the inner wall of the housing. The rib includes an apex and a sloped surface which extends from the apex towards another end of the clamp and which intersects the outer wall of the clamp. The sealing resin, which exudes from between the inner wall of the housing and the apex and which is positioned on the sloped surface, has a recess resulting from surface tension.
    Type: Application
    Filed: October 24, 2019
    Publication date: November 18, 2021
    Applicant: OMRON Corporation
    Inventors: Yusuke NAKAYAMA, Daisuke INOUE, Yuki USHIRO, Takaaki SANDA, Hiroto KATSURA, Naomi UEHARA, Masaki Nakamura, Toyohiro IMAIZUMI
  • Patent number: 10466073
    Abstract: A proximity sensor in which generation of voids in a resin sealing portion sealing an inside of a housing can be suppressed and thus a yield is improved. The proximity sensor includes a housing, a detection coil, a circuit board and a resin sealing portion. The circuit board is accommodated in the housing to partition an internal space of the housing, and the resin sealing portion covers at least a part of the circuit board by filling the internal space of the housing and thus seals a covered portion of the circuit board. A resin injection port configured to inject a liquid resin forming the resin sealing portion by curing the liquid resin is provided in the housing, and a cutout portion having a notch shape or an opening shape is provided in the circuit board to include at least a part of a portion facing the resin injection port.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: November 5, 2019
    Assignee: OMRON Corporation
    Inventors: Hiroto Katsura, Yuki Ushiro, Takaaki Sanda
  • Publication number: 20180348022
    Abstract: The sensor adaptor includes a case body of which a front end is closed and a rear end is open, a cap body being engageable with the rear end of the case body, a seal member interposed between the case body and the cap body, and a fixing portion configured to fix the case body to the mounting portion. A part of the sensor is inserted into an accommodation space of the case body, and the remaining portion of the sensor is drawn out to the outside via an opening of the cap body. The seal member is disposed on a rear end side of the case body to surround the sensor. The seal member is brought into close contact with the case body and the sensor. Accordingly, a gap between the part of the sensor and the case body is sealed from an external space by the seal member.
    Type: Application
    Filed: February 8, 2018
    Publication date: December 6, 2018
    Applicant: OMRON Corporation
    Inventors: Yuki USHIRO, Hiroto KATSURA, Makoto IWAI, Hiroyuki TSUCHIDA, Yusuke NAKAYAMA
  • Publication number: 20180324965
    Abstract: To provide an electronic apparatus which enables manufacturing costs to be reduced and a range of selection of materials for resin components to be widened. An electronic apparatus (1A) includes a case (10), a cable (30) drawn out from the case (10), a bonding intermediating member (40) that is made of a resin and joined to the cable (30), a cylindrical clamp (50) holding the cable (30), and a sealing resin part (60) filling an internal space defined by the case (10) and the clamp (50). The cable (30) has a core wire (31) and a sheath (33) that is made of a resin covering the core wire (31) and the core wire (31) is exposed not to be covered by the sheath (33) at an end of the cable (30). The bonding intermediating member (40) has a cylindrical base (41) covering an outer circumferential face of the sheath (33) and an extension part (42) extending from the base (41) and bonding to the sealing resin part (60).
    Type: Application
    Filed: May 2, 2017
    Publication date: November 8, 2018
    Applicant: OMRON Corporation
    Inventors: Takaaki SANDA, Makoto SUGIMOTO, Daisuke INOUE, Yusuke HAYASHI, Yuki USHIRO, Hiroto KATSURA, Naomi UEHARA
  • Patent number: 10123438
    Abstract: To provide an electronic apparatus which enables manufacturing costs to be reduced and a range of selection of materials for resin components to be widened. An electronic apparatus includes a case, a cable drawn out from the case, a bonding intermediating member that is made of a resin and joined to the cable, a cylindrical clamp holding the cable, and a sealing resin part filling an internal space defined by the case and the clamp. The cable has a core wire and a sheath that is made of a resin covering the core wire and the core wire is exposed not to be covered by the sheath at an end of the cable. The bonding intermediating member has a cylindrical base covering an outer circumferential face of the sheath and an extension part extending from the base and bonding to the sealing resin part. The bonding intermediating part is fixed to the cable by welding the base onto the sheath.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: November 6, 2018
    Assignee: OMRON Corporation
    Inventors: Takaaki Sanda, Makoto Sugimoto, Daisuke Inoue, Yusuke Hayashi, Yuki Ushiro, Hiroto Katsura, Naomi Uehara
  • Publication number: 20180266851
    Abstract: A proximity sensor in which generation of voids in a resin sealing portion sealing an inside of a housing can be suppressed and thus a yield is improved. The proximity sensor includes a housing, a detection coil, a circuit board and a resin sealing portion. The circuit board is accommodated in the housing to partition an internal space of the housing, and the resin sealing portion covers at least a part of the circuit board by filling the internal space of the housing and thus seals a covered portion of the circuit board. A resin injection port configured to inject a liquid resin forming the resin sealing portion by curing the liquid resin is provided in the housing, and a cutout portion having a notch shape or an opening shape is provided in the circuit board to include at least a part of a portion facing the resin injection port.
    Type: Application
    Filed: December 13, 2017
    Publication date: September 20, 2018
    Applicant: OMRON Corporation
    Inventors: Hiroto KATSURA, Yuki USHIRO, Takaaki SANDA
  • Patent number: 10045453
    Abstract: To provide an electronic apparatus having particularly excellent environmental resistance. An electronic apparatus includes a case, a cable drawn out from the case, a bonding intermediating member that is made of a resin and joined to the cable, a cylindrical clamp holding the cable, and a sealing resin part filling an internal space defined by the case and the clamp. The cable has a core wire and a sheath that is made of a resin covering the core wire and the core wire is exposed not to be covered by the sheath at an end of the cable. The bonding intermediating member has a cylindrical base covering an outer circumferential face of the sheath and a cylindrical protrusion protruding toward a tip side of the cable. All of an inner circumferential face and an outer circumferential face of the protrusion and an end face at a tip side of the protrusion in an axial direction are covered by the sealing resin part.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: August 7, 2018
    Assignee: OMRON Corporation
    Inventors: Takaaki Sanda, Daisuke Inoue, Yusuke Hayashi, Yuki Ushiro, Hiroto Katsura
  • Publication number: 20100154434
    Abstract: Disclosed is a gas turbine enabling turn down operation, of which the system and the operation can be simplified, and also the production cost and the maintenance cost can be reduced. Specifically disclosed is a gas turbine comprising: a compressor section (2); a combustor section (3); a turbine section (4); a gas turbine casing which houses the compressor section (2), the combustor section (3), and the turbine section (4) therein; a stator cooling air system (5) for leading compressed air extracted from midstream of the compressor section (2) into stator vanes which constitute the turbine section (4); and an air bleeding system (6) for extracting compressed air from the exit of the compressor section (2) to the outside of the gas turbine casing, wherein midstream of the stator cooling air system (5) and midstream of the air bleeding system (6) are connected via a connecting path (12), and at midstream of this connecting path (12), there is a flow rate control part (13) connected.
    Type: Application
    Filed: December 1, 2009
    Publication date: June 24, 2010
    Inventors: Tetsuro Kubota, Tatsuji Takahashi, Keita Fujii, Hiroto Katsura