Patents by Inventor Hirokazu Taniguchi

Hirokazu Taniguchi 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).

  • Publication number: 20220076648
    Abstract: A method for assembling a keyboard instrument includes installing a keyboard unit on a lower case such that an insertion hole of a key-connecting part of the keyboard unit is positioned corresponding to a lower side installation part of the lower case; thereafter, placing a upper case on the keyboard unit such that an upper side installation part of the upper case is positioned inside the insertion hole of the key-connecting part of the keyboard unit and mates with the lower side installation part of the lower case; and while the upper side installation part of the upper case is positioned inside the insertion hole of the key-connecting part of the keyboard unit and mates with the lower side installation part, inserting a fastening member into the upper side installation part and the lower side installation part to fix the upper case to the lower case via the fastening member.
    Type: Application
    Filed: November 18, 2021
    Publication date: March 10, 2022
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Hirokazu TANIGUCHI, Atsushi OSHIRO, Daisuke NOTO
  • Patent number: 11195499
    Abstract: A keyboard instrument includes an upper case having an upper side installation part; a lower case having a lower side installation part at a position corresponding to the upper side installation part of the upper case; a keyboard unit including a key-connecting part to which a plurality of keys are connected, the key-connecting part having an insertion hole to which at least one of the upper side installation part and the lower side installation part is inserted; and a fastening member fastening the upper side installation part and the lower side installation part together.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: December 7, 2021
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Hirokazu Taniguchi, Atsushi Oshiro, Daisuke Noto
  • Publication number: 20210020146
    Abstract: A keyboard instrument includes an upper case having an upper side installation part; a lower case having a lower side installation part at a position corresponding to the upper side installation part of the upper case; a keyboard unit including a key-connecting part to which a plurality of keys are connected, the key-connecting part having an insertion hole to which at least one of the upper side installation part and the lower side installation part is inserted; and a fastening member fastening the upper side installation part and the lower side installation part together.
    Type: Application
    Filed: July 16, 2020
    Publication date: January 21, 2021
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Hirokazu TANIGUCHI, Atsushi OSHIRO, Daisuke NOTO
  • Publication number: 20210020151
    Abstract: A keyboard instrument includes a keyboard unit including a key-connecting part to which a plurality of keys are connected; and a lower case having a pedestal and a supporting part on the pedestal, the supporting part vertically protruding from an upper surface of the pedestal, wherein the key-connecting part is directly mounted on an upper portion of the supporting part.
    Type: Application
    Filed: July 16, 2020
    Publication date: January 21, 2021
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Hirokazu TANIGUCHI, Atsushi OSHIRO, Daisuke NOTO
  • Patent number: 10692474
    Abstract: A keyboard instrument includes a plurality of key blocks, each including key main bodies, connecting sections, and a supporting section. Each key main body has a top surface that can be pressed by a user to play the keyboard instrument. Each connecting section extends from a key main body and deforms in response to pressing at the top surface of the key main body. The supporting section supports the key main bodies as one key block through the connecting sections. The key blocks are stacked at the supporting section in an instrument case so that a plurality of connecting sections of one key block and a plurality of connecting sections of another key block overlap each other. In at least one key block, each connecting section extends from a top surface side of the corresponding key main body.
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: June 23, 2020
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Toshiya Kuno, Hirokazu Taniguchi, Yuichi Nishimura
  • Patent number: 10593306
    Abstract: A keyboard instrument including a plurality of keys and a keyboard chassis, in which each key has a shaft or a shaft hole provided on one end side thereof. The keyboard chassis is provided with shafts when the plurality of keys has shaft holes, and is provided with shaft holes when the plurality of keys has shafts. This keyboard chassis supports the plurality of keys by the shafts being arranged in the shaft holes. Also, first spaces and second spaces are formed between an inner surface of the shaft hole and the shaft. The first spaces are positioned in a vertical direction of the key, and the second spaces are positioned in a longitudinal direction of the key. In addition, the second spaces are larger than the first spaces.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: March 17, 2020
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Hirokazu Taniguchi, Akihito Akaishi, Akihisa Hoshino
  • Patent number: 10580390
    Abstract: A keyboard instrument including a hammer unit which includes a plurality of hammer members each of which has an effort point provided on one end side, a load point provided on an other end side, and a fulcrum provided between the effort point and the load point, and a hammer holder which rotatably holds the plurality of hammer members, and a keyboard chassis which includes a restriction member for restricting rotations of the plurality of hammer members performed in response to key depression operations within a restriction range and in which the hammer unit is mounted, in which the hammer holder has a plurality of contact points on the effort point side which comes in contact with portions of the plurality of hammer members on the effort point side when the hammer unit is in a vertically inverted state.
    Type: Grant
    Filed: August 5, 2019
    Date of Patent: March 3, 2020
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Akihito Akaishi, Hirokazu Taniguchi
  • Publication number: 20200043446
    Abstract: A keyboard instrument including a hammer unit which includes a plurality of hammer members each of which has an effort point provided on one end side, a load point provided on an other end side, and a fulcrum provided between the effort point and the load point, and a hammer holder which rotatably holds the plurality of hammer members, and a keyboard chassis which includes a restriction member for restricting rotations of the plurality of hammer members performed in response to key depression operations within a restriction range and in which the hammer unit is mounted, in which the hammer holder has a plurality of contact points on the effort point side which comes in contact with portions of the plurality of hammer members on the effort point side when the hammer unit is in a vertically inverted state.
    Type: Application
    Filed: August 5, 2019
    Publication date: February 6, 2020
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Akihito AKAISHI, Hirokazu TANIGUCHI
  • Publication number: 20200043445
    Abstract: A keyboard instrument includes a plurality of key blocks, each including key main bodies, connecting sections, and a supporting section. Each key main body has a top surface that can be pressed by a user to play the keyboard instrument. Each connecting section extends from a key main body and deforms in response to pressing at the top surface of the key main body. The supporting section supports the key main bodies as one key block through the connecting sections. The key blocks are stacked at the supporting section in an instrument case so that a plurality of connecting sections of one key block and a plurality of connecting sections of another key block overlap each other. In at least one key block, each connecting section extends from a top surface side of the corresponding key main body.
    Type: Application
    Filed: October 11, 2019
    Publication date: February 6, 2020
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Toshiya KUNO, Hirokazu TANIGUCHI, Yuichi NISHIMURA
  • Publication number: 20190392787
    Abstract: A keyboard instrument including a plurality of keys and a keyboard chassis, in which each key has a shaft or a shaft hole provided on one end side thereof. The keyboard chassis is provided with shafts when the plurality of keys has shaft holes, and is provided with shaft holes when the plurality of keys has shafts. This keyboard chassis supports the plurality of keys by the shafts being arranged in the shaft holes. Also, first spaces and second spaces are formed between an inner surface of the shaft hole and the shaft. The first spaces are positioned in a vertical direction of the key, and the second spaces are positioned in a longitudinal direction of the key. In addition, the second spaces are larger than the first spaces.
    Type: Application
    Filed: June 19, 2019
    Publication date: December 26, 2019
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Hirokazu TANIGUCHI, Akihito AKAISHI, Akihisa HOSHINO
  • Patent number: 10482851
    Abstract: A keyboard instrument includes a plurality of key blocks, and an instrument case. Each key block includes, a plurality of key main bodies, an area of the top surface abutting one edge side of the key main body in a longitudinal direction is pressed by a user; a plurality of connecting sections, the connecting section is deformed in response to be pressed by the user; and a supporting section which supports the plurality of key main bodies as one key block through the plurality of connecting sections. The plurality of supporting sections included in the plurality of key blocks are piled up in a direction intersecting with the longitudinal direction in the instrument case. The plurality of connecting sections included in one key block and the plurality of connecting sections included in another key block are overlapped each other in the instrument case.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: November 19, 2019
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Toshiya Kuno, Hirokazu Taniguchi, Yuichi Nishimura
  • Patent number: 10424281
    Abstract: A hammer unit for use in a keyboard device or the like includes a plurality of hammer arms which are respectively operated in response to key depression operations on a plurality of keys, and a hammer connecting section which has a length corresponding to array of the plurality of keys, is connected to the plurality of hammer arms to support the plurality of hammer arms in an arrayed state, and has mounting sections which are provided in a direction of the array in areas where the hammer arms are not connected, and by which the hammer connecting section is mounted to a keyboard chassis. As a result, the assembling workability is improved.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: September 24, 2019
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Hirokazu Taniguchi, Toshiya Kuno
  • Patent number: 10418003
    Abstract: A keyboard device is provided whose entire device body can be compactified even if a hammer member length in its front and rear direction is increased and a keyboard instrument including the keyboard device. The keyboard device includes a plurality of keys, a transmission member which is rotated in response to a key depression operation performed on a key among the plurality of keys, and a hammer member which is rotated in response to rotation of the transmission member and applies an action load to the key, in which the hammer member includes a hammer arm and a hammer head provided on a front side of the hammer arm, and the hammer arm is rotated around a hammer rotation center located on a rear side of the hammer arm in response to the key depression operation performed on the key.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: September 17, 2019
    Assignee: CASIO COMPUTER CO., LTD.
    Inventor: Hirokazu Taniguchi
  • Patent number: 10380985
    Abstract: A keyboard device includes at least one key and an action mechanism corresponding to the at least one key. The action mechanism includes a transmitter which moves in response to key depression to the at least one key, a hammer member which operates, in response to movement of the transmitter, to apply a load to the depressed key, a first abutting part which is arranged on one of the hammer member and a member which the hammer member abuts, and an elastic part which is arranged on another of the hammer member and the member which the hammer member abuts. At least one part of the elastic part gets over the first abutting part in a process of deforming of the elastic part, thereby a let-off feeling is given to the depressed key.
    Type: Grant
    Filed: July 11, 2018
    Date of Patent: August 13, 2019
    Assignee: CASIO COMPUTER CO., LTD.
    Inventors: Hirokazu Taniguchi, Toshiya Kuno
  • Patent number: 10347223
    Abstract: A keyboard device where at least one of a transmission rail and a hammer rail is favorably supported, and a keyboard instrument including the keyboard device are provided. A transmission support pole for supporting the transmission rail and a hammer support pole for supporting the hammer rail are each arranged in a gap between two keys adjacent to each other among a plurality of keys, arranged in a hole provided in at least one of the plurality of keys, or arranged at a position corresponding to a key support shaft which supports at least one of the plurality of keys. As a result, at least one of the transmission support rail and the hammer support rail is favorably supported.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: July 9, 2019
    Assignee: CASIO COMPUTER CO., LTD.
    Inventor: Hirokazu Taniguchi
  • Publication number: 20190096370
    Abstract: A keyboard instrument includes a plurality of key blocks, and an instrument case. Each key block includes, a plurality of key main bodies, an area of the top surface abutting one edge side of the key main body in a longitudinal direction is pressed by a user; a plurality of connecting sections, the connecting section is deformed in response to be pressed by the user; and a supporting section which supports the plurality of key main bodies as one key block through the plurality of connecting sections. The plurality of supporting sections included in the plurality of key blocks are piled up in a direction intersecting with the longitudinal direction in the instrument case. The plurality of connecting sections included in one key block and the plurality of connecting sections included in another key block are overlapped each other in the instrument case.
    Type: Application
    Filed: September 19, 2018
    Publication date: March 28, 2019
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Toshiya KUNO, Hirokazu TANIGUCHI, Yuichi NISHIMURA
  • Publication number: 20190019484
    Abstract: A keyboard device includes at least one key and an action mechanism corresponding to the at least one key. The action mechanism includes a transmitter which moves in response to key depression to the at least one key, a hammer member which operates, in response to movement of the transmitter, to apply a load to the depressed key, a first abutting part which is arranged on one of the hammer member and a member which the hammer member abuts, and an elastic part which is arranged on another of the hammer member and the member which the hammer member abuts. At least one part of the elastic part gets over the first abutting part in a process of deforming of the elastic part, thereby a let-off feeling is given to the depressed key.
    Type: Application
    Filed: July 11, 2018
    Publication date: January 17, 2019
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Hirokazu TANIGUCHI, Toshiya KUNO
  • Patent number: 10139290
    Abstract: Provided is an optical temperature sensor including a temperature sensing element having light transmission characteristics that vary with temperature, a hollow holding member that holds the temperature sensing element, and an optical fiber that is arranged inside the holding member, the optical fiber including a tip face that is disposed to face the temperature sensing element at a position separated from the temperature sensing element by a predetermined distance. The temperature sensing element allows light emitted from the tip face of the optical fiber to be incident thereon, allows the incident light to be transmitted therethrough, and allows reflected light of the transmitted light that has been reflected by a measuring object to be transmitted therethrough.
    Type: Grant
    Filed: March 2, 2015
    Date of Patent: November 27, 2018
    Assignee: Tokyo Electron Limited
    Inventors: Takari Yamamoto, Kenichiro Yamada, Yoshiki Yamakawa, Yuji Mizuma, Hirokazu Taniguchi, Masatoshi Tabira
  • Publication number: 20180277081
    Abstract: A hammer unit for use in a keyboard device or the like includes a plurality of hammer arms which are respectively operated in response to key depression operations on a plurality of keys, and a hammer connecting section which has a length corresponding to array of the plurality of keys, is connected to the plurality of hammer arms to support the plurality of hammer arms in an arrayed state, and has mounting sections which are provided in a direction of the array in areas where the hammer arms are not connected, and by which the hammer connecting section is mounted to a keyboard chassis. As a result, the assembling workability is improved.
    Type: Application
    Filed: March 14, 2018
    Publication date: September 27, 2018
    Applicant: CASIO COMPUTER CO., LTD.
    Inventors: Hirokazu TANIGUCHI, Toshiya KUNO
  • Publication number: 20180268786
    Abstract: A keyboard device where at least one of a transmission rail and a hammer rail is favorably supported, and a keyboard instrument including the keyboard device are provided. A transmission support pole for supporting the transmission rail and a hammer support pole for supporting the hammer rail are each arranged in a gap between two keys adjacent to each other among a plurality of keys, arranged in a hole provided in at least one of the plurality of keys, or arranged at a position corresponding to a key support shaft which supports at least one of the plurality of keys. As a result, at least one of the transmission support rail and the hammer support rail is favorably supported.
    Type: Application
    Filed: March 13, 2018
    Publication date: September 20, 2018
    Applicant: CASIO COMPUTER CO., LTD.
    Inventor: Hirokazu TANIGUCHI