Patents by Inventor Kenzo Ichikawa
Kenzo Ichikawa 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).
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Publication number: 20240153477Abstract: A keyboard instrument having a key and a link mechanism provided on a lower side of the key, and the link mechanism has a first member having a first fixing fulcrum, a first link pivotally supported on the first fixing fulcrum on one end side, a second member having a second fixing fulcrum provided further forwards and further downwards than the first fixing fulcrum, a second link pivotally supported on the second fixing fulcrum on one end side and a coupling link configured such that a distance between the other end side of the first link rotating about the first fixing fulcrum in response to a key operation and the other end side of the second link rotating about the second fixing fulcrum in response to the key operation is fixed and remains unchanged, and the second link has a counterweight provided further forwards than the second fixing fulcrum.Type: ApplicationFiled: November 1, 2023Publication date: May 9, 2024Applicant: CASIO COMPUTER CO., LTD.Inventors: Kenzo ICHIKAWA, Takahiro MIZUSHINA, Wataru NIMURA
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Publication number: 20240153476Abstract: A keyboard apparatus has a hammer supported rotatably on a fulcrum, including a weight disposed further backwards than the fulcrum, and including an extending member configured to extend further forwards than the fulcrum, a key including a hammer press rod configured to move towards and away from the extending member, and a switch, and the extending member includes a press-down area configured to protrude further forwards than the hammer press rod to press down the switch, and the extending member is configured to press down the switch without contacting the hammer press rod.Type: ApplicationFiled: November 1, 2023Publication date: May 9, 2024Applicant: CASIO COMPUTER CO., LTD.Inventors: Kenzo ICHIKAWA, Takahiro MIZUSHINA, Wataru NIMURA
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Publication number: 20230306932Abstract: A keyboard instrument has a first member having a first fixation fulcrum, a first link rotatably fixed to the first fixation fulcrum at one end side thereof, a second member having a second fixation fulcrum provided further forwards and downwards than the first fixation fulcrum, a second link rotatably fixed to the second fixation fulcrum at one end side thereof, and a coupling link fixed to a key so as to couple the other end side of the first link and the other end side of the second link together.Type: ApplicationFiled: May 31, 2023Publication date: September 28, 2023Applicant: CASIO COMPUTER CO., LTD.Inventors: Kenzo ICHIKAWA, Takahiro MIZUSHINA, Wataru NIMURA
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Patent number: 10852770Abstract: An electronic device having a waterproof structure includes a housing having a sound hole waterproofed by a waterproof membrane; an barometer which is arranged in the housing, determines data variable in response to a state of the waterproof membrane, and outputs the determined data; and a central controller which detects an abnormal state of the waterproof membrane based on atmospheric pressure data outputted from the barometer.Type: GrantFiled: May 29, 2018Date of Patent: December 1, 2020Assignee: CASIO COMPUTER CO., LTD.Inventors: Kenzo Ichikawa, Toshiya Kuno, Hiroyuki Fujiwara
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Publication number: 20180356861Abstract: An electronic device having a waterproof structure includes a housing having a sound hole waterproofed by a waterproof membrane; an barometer which is arranged in the housing, determines data variable in response to a state of the waterproof membrane, and outputs the determined data; and a central controller which detects an abnormal state of the waterproof membrane based on atmospheric pressure data outputted from the barometer.Type: ApplicationFiled: May 29, 2018Publication date: December 13, 2018Applicant: CASIO COMPUTER CO., LTD.Inventors: Kenzo ICHIKAWA, Toshiya KUNO, Hiroyuki FUJIWARA
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Publication number: 20180033118Abstract: A display device equipped with a display section which has a display area extending in a direction and has a shape curved in the direction of the display area, and a control section which functions as a viewing direction setting section which sets a viewing direction of a user with respect to the display section, and an information correcting section which makes correction such that at least part of an image to be displayed in the display area is enlarged in the direction in the display area, in accordance with the set viewing direction and a curved status of the display section in the display area.Type: ApplicationFiled: February 5, 2016Publication date: February 1, 2018Applicant: CASIO COMPUTER CO., LTD.Inventor: Kenzo ICHIKAWA
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Patent number: 9693731Abstract: An electronic device including a body case which has an accommodating section at least partially in a curved shape, a frame which has a first frame section and a second frame section having a width shorter than a width of the first frame section, and is accommodated in the accommodating section, and a circuit board which is accommodated in the accommodating section so as to be laminated on the frame, and provided so as not to overlap with the second frame section when viewed from a laminated direction of the frame.Type: GrantFiled: October 16, 2015Date of Patent: July 4, 2017Assignee: CASIO COMPUTER CO., LTD.Inventor: Kenzo Ichikawa
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Publication number: 20160174399Abstract: An electronic device including a body case which has an accommodating section at least partially in a curved shape, a frame which has a first frame section and a second frame section having a width shorter than a width of the first frame section, and is accommodated in the accommodating section, and a circuit board which is accommodated in the accommodating section so as to be laminated on the frame, and provided so as not to overlap with the second frame section when viewed from a laminated direction of the frame.Type: ApplicationFiled: October 16, 2015Publication date: June 16, 2016Applicant: CASIO COMPUTER CO., LTD.Inventor: Kenzo ICHIKAWA
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Patent number: 8422246Abstract: An electronic apparatus includes a front case, a rear case whose peripheral portion is brought into engagement with a peripheral portion of the front case and an electrostatic capacity type sensor portion which is encompassed by the front case and the rear case. A primary conductive portion, which is brought into engagement with the sensor portion for electrical connection, is formed on part of an inner surface of the peripheral portion of one of the cases which extends to the engagement portion. By adopting this configuration, the electronic apparatus can be fabricated easily and the operation of a touch switch provided in the electronic apparatus can be stabilized.Type: GrantFiled: September 14, 2010Date of Patent: April 16, 2013Assignee: Casio Computer Co., Ltd.Inventors: Wataru Nimura, Kenzo Ichikawa
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Publication number: 20110063814Abstract: An electronic apparatus includes a front case, a rear case whose peripheral portion is brought into engagement with a peripheral portion of the front case and an electrostatic capacity type sensor portion which is encompassed by the front case and the rear case. A primary conductive portion, which is brought into engagement with the sensor portion for electrical connection, is formed on part of an inner surface of the peripheral portion of one of the cases which extends to the engagement portion. By adopting this configuration, the electronic apparatus can be fabricated easily and the operation of a touch switch provided in the electronic apparatus can be stabilized.Type: ApplicationFiled: September 14, 2010Publication date: March 17, 2011Applicant: CASIO COMPUTER CO., LTD.Inventors: Wataru NIMURA, Kenzo Ichikawa
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Patent number: 6644455Abstract: A rental system contains a plurality of rental digital cameras, and comprises a rental-item providing machine which provides users with digital cameras, respectively, and a management center which manages the digital cameras. The rental-item providing machine makes a credit inquiry about the users. The rental-item providing machine provides the users with the respective digital cameras, in accordance with a result of the credit inquiry. The rental-item providing machine sends identification information for identifying each of the contained digital cameras, to the management center. The management center manages the digital cameras, using the identification information sent from the rental-item providing machine.Type: GrantFiled: April 30, 2001Date of Patent: November 11, 2003Assignee: Casio Computer Co., Ltd.Inventor: Kenzo Ichikawa
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Publication number: 20010041987Abstract: A rental system contains a plurality of rental digital cameras, and comprises a rental-item providing machine which provides users with digital cameras, respectively, and a management center which manages the digital cameras. The rental-item providing machine makes a credit inquiry about the users. The rental-item providing machine provides the users with the respective digital cameras, in accordance with a result of the credit inquiry. The rental-item providing machine sends identification information for identifying each of the contained digital cameras, to the management center. The management center manages the digital cameras, using the identification information sent from the rental-item providing machine.Type: ApplicationFiled: April 30, 2001Publication date: November 15, 2001Applicant: Casio Computer Co., Ltd.Inventor: Kenzo Ichikawa