Patents by Inventor Katsuhiro Hashimoto

Katsuhiro Hashimoto 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: 11949310
    Abstract: A vibration actuator includes: a movable body including a core around which a coil is wound in a state in which a tip part of the core is exposed; a fixed body including one or more magnets disposed away from and facing the tip part of the core; and a shaft part rotatably supporting the movable body on a side of a base end part of the core, and generates vibration by oscillation of the tip part of the core around the shaft part with respect to the one or more magnets by cooperation among the coil, the core and the one or more magnets.
    Type: Grant
    Filed: January 14, 2021
    Date of Patent: April 2, 2024
    Assignee: Minebea Mitsumi Inc.
    Inventors: Katsuhiro Hashimoto, Takanori Kato, Yuki Takahashi
  • Publication number: 20210218324
    Abstract: A vibration actuator includes: a movable body including a core around which a coil is wound in a state in which a tip part of the core is exposed; a fixed body including one or more magnets disposed away from and facing the tip part of the core; and a shaft part rotatably supporting the movable body on a side of a base end part of the core, and generates vibration by oscillation of the tip part of the core around the shaft part with respect to the one or more magnets by cooperation among the coil, the core and the one or more magnets.
    Type: Application
    Filed: January 14, 2021
    Publication date: July 15, 2021
    Applicant: Minebea Mitsumi Inc.
    Inventors: Katsuhiro HASHIMOTO, Takanori KATO, Yuki TAKAHASHI
  • Patent number: 11031856
    Abstract: A vibration actuator, includes: a movable body including a magnet; a fixing body including a coil; and an elastic support portion supporting the movable body, in which: the fixing body includes: a first fixing body disposed on one side of a vibration direction so as to cover the movable body, and a second fixing body that is bonded to the first fixing body and being configured to accommodate the movable body in such a way that the movable body is capable of vibrating, in which: the elastic support portion is a plate-shaped elastic body that includes one end portion fixed to the movable body and is provided to protrude from an outer periphery of the movable body in a radial direction, and another end portion of the elastic support portion is fixed while being sandwiched between the first fixing body and the second fixing body.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: June 8, 2021
    Assignee: MINEBEA MITSUMI, INC.
    Inventors: Takanori Matsuyama, Shinya Tashima, Koichi Azumai, Katsuhiro Hashimoto
  • Patent number: 10855156
    Abstract: A vibration actuator has a movable body including a magnet, a fixing body including a coil, and an elastic support portion. The movable body vibrates in a magnetization direction of the magnet in cooperation with the coil to which power is supplied and the magnet. The fixing body has a peripheral wall portion that is disposed to surround the movable body in a direction intersecting the magnetization direction. The elastic support portion is a plate spring which has one end portion fixed to an outer periphery of the movable body opposing an inner surface of the peripheral wall portion and the other end portion fixed to the peripheral wall portion and is disposed in a radial direction from the outer periphery of the movable body. The one end portion of the elastic support portion is bonded by a fixing portion provided in the movable body.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: December 1, 2020
    Assignee: MITSUMI ELECTRIC CO., LTD.
    Inventors: Takanori Matsuyama, Shinya Tashima, Koichi Azumai, Katsuhiro Hashimoto
  • Publication number: 20190267882
    Abstract: A vibration actuator has a movable body including a magnet, a fixing body including a coil, and an elastic support portion. The movable body vibrates in a magnetization direction of the magnet in cooperation with the coil to which power is supplied and the magnet. The fixing body has a peripheral wall portion that is disposed to surround the movable body in a direction intersecting the magnetization direction. The elastic support portion is a plate spring which has one end portion fixed to an outer periphery of the movable body opposing an inner surface of the peripheral wall portion and the other end portion fixed to the peripheral wall portion and is disposed in a radial direction from the outer periphery of the movable body. The one end portion of the elastic support portion is bonded by a fixing portion provided in the movable body.
    Type: Application
    Filed: February 28, 2019
    Publication date: August 29, 2019
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Takanori MATSUYAMA, Shinya TASHIMA, Koichi AZUMAI, Katsuhiro HASHIMOTO
  • Publication number: 20190267881
    Abstract: A vibration actuator, includes: a movable body including a magnet; a fixing body including a coil; and an elastic support portion supporting the movable body, in which: the fixing body includes: a first fixing body disposed on one side of a vibration direction so as to cover the movable body, and a second fixing body that is bonded to the first fixing body and being configured to accommodate the movable body in such a way that the movable body is capable of vibrating, in which: the elastic support portion is a plate-shaped elastic body that includes one end portion fixed to the movable body and is provided to protrude from an outer periphery of the movable body in a radial direction, and another end portion of the elastic support portion is fixed while being sandwiched between the first fixing body and the second fixing body.
    Type: Application
    Filed: February 28, 2019
    Publication date: August 29, 2019
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventors: Takanori MATSUYAMA, Shinya TASHIMA, Koichi AZUMAI, Katsuhiro HASHIMOTO
  • Patent number: 7929244
    Abstract: A magnetic tape recording/reproducing apparatus is disclosed that selectively loads a first tape cassette accommodating a first magnetic tape or a second tape cassette accommodating a second magnetic tape having a width greater than the width of the first tape. The apparatus includes a rotating drum unit including a lower stationary drum and an upper rotating drum, and a loading mechanism that, if the first tape cassette is loaded, pulls the first magnetic tape out of the first tape cassette and winds it onto the rotating drum unit through a first winding angle so as to form a first tape path and, if the second tape cassette is loaded, pulls the second magnetic tape out of the second tape cassette and winds it onto the rotating drum unit through a second winding angle greater than the first winding angle so as to form a second tape path.
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: April 19, 2011
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Katsuhiro Hashimoto, Keisuke Horii, Shinji Muta
  • Publication number: 20070279798
    Abstract: A magnetic tape recording/reproducing apparatus is disclosed that selectively loads a first tape cassette accommodating a first magnetic tape or a second tape cassette accommodating a second magnetic tape having a width greater than the width of the first tape. The apparatus includes a rotating drum unit including a lower stationary drum and an upper rotating drum, and a loading mechanism that, if the first tape cassette is loaded, pulls the first magnetic tape out of the first tape cassette and winds it onto the rotating drum unit through a first winding angle so as to form a first tape path and, if the second tape cassette is loaded, pulls the second magnetic tape out of the second tape cassette and winds it onto the rotating drum unit through a second winding angle greater than the first winding angle so as to form a second tape path.
    Type: Application
    Filed: May 16, 2007
    Publication date: December 6, 2007
    Inventors: Katsuhiro HASHIMOTO, Keisuke HORII, Shinji MUTA
  • Patent number: 7120808
    Abstract: Performing power saving control which can be inherited and standardized easily, and which keeps power devices from having to become larger is made possible. A current In flowing through an electrical path is detected as a voltage Vs by a current detection section, and is outputted as a voltage Vout by an amplifying section. When a level corresponding to the voltage Vout exceeds a limit level, a power limit detection section outputs a power limit detection signal. When a controller receives the power limit detection signal via a detection signal holding section, the controller outputs a throttle control command signal. When a chip set receives the throttle control command signal, the chip set initiates throttle control that lowers the clock frequency of a CPU. The present invention may be applied to laptop personal computers.
    Type: Grant
    Filed: October 3, 2003
    Date of Patent: October 10, 2006
    Assignee: Sony Corporation
    Inventors: Atsushi Miyairi, Shinichi Numata, Katsuhiro Hashimoto, Shojiro Sato, Takaaki Morimura, Masataka Suzuki, Soichi Sato, Tamaki Kojima, Hidenori Yamaji
  • Patent number: 7102857
    Abstract: A rotary head drum apparatus includes a stator drum. A rotary drum is provided with a plurality of magnetic heads and rotates the magnetic heads. The rotary drum is mounted for rotational movement with respect to the stator drum. A rotary transformer includes a stator-side rotary transformer provided on the stator drum and a rotating-side rotary transformer fixed to the rotary drum. The stator-side rotary transformer and the rotating-side rotary transformer are adapted to send and receive signals to each other. An adhesive providing gap is disposed between the rotating-side rotary transformer and the rotary drum for receiving an adhesive for bonding the rotating-side rotary transformer to the rotary drum. An adhesive splashing prevention part is provided on the rotating-side rotary transformer and receives adhesive splashing from the adhesive providing gap.
    Type: Grant
    Filed: March 2, 2004
    Date of Patent: September 5, 2006
    Assignee: Mitsumi Electric Co., Ltd.
    Inventor: Katsuhiro Hashimoto
  • Publication number: 20040228040
    Abstract: A rotary head drum apparatus includes a stator drum. A rotary drum is provided with a plurality of magnetic heads and rotates the magnetic heads. The rotary drum is mounted for rotational movement with respect to the stator drum. A rotary transformer includes a stator-side rotary transformer provided on the stator drum and a rotating-side rotary transformer fixed to the rotary drum. The stator-side rotary transformer and the rotating-side rotary transformer are adapted to send and receive signals to each other. An adhesive providing gap is disposed between the rotating-side rotary transformer and the rotary drum for receiving an adhesive for bonding the rotating-side rotary transformer to the rotary drum. An adhesive splashing prevention part is provided on the rotating-side rotary transformer and receives adhesive splashing from the adhesive providing gap.
    Type: Application
    Filed: March 2, 2004
    Publication date: November 18, 2004
    Applicant: MITSUMI ELECTRIC CO., LTD.
    Inventor: Katsuhiro Hashimoto
  • Publication number: 20040133816
    Abstract: Performing power saving control which can be inherited and standardized easily, and which keeps power devices from having to become larger is made possible. A current In flowing through an electrical path is detected as a voltage Vs by a current detection section, and is outputted as a voltage Vout by an amplifying section. When a level corresponding to the voltage Vout exceeds a limit level, a power limit detection section outputs a power limit detection signal. When a controller receives the power limit detection signal via a detection signal holding section, the controller outputs a throttle control command signal. When a chip set receives the throttle control command signal, the chip set initiates throttle control that lowers the clock frequency of a CPU. The present invention may be applied to laptop personal computers.
    Type: Application
    Filed: October 3, 2003
    Publication date: July 8, 2004
    Applicant: Sony Corporation
    Inventors: Atsushi Miyairi, Shinichi Numata, Katsuhiro Hashimoto, Shojiro Sato, Takaaki Morimura, Masataka Suzuki, Soichi Sato, Tamaki Kojima, Hidenori Yamaji
  • Patent number: 6690550
    Abstract: A rotation balance control mechanism controlling a rotation balance of a rotary head drum apparatus comprising a fixed drum and a rotary drum and a drum motor unit urging the rotary drum, the rotation balance control mechanism comprising a rotor plate mounted on a shaft mount of the drum motor, the rotor plate capable of mounting a balance weight for controlling the rotation balance of the rotary head drum apparatus.
    Type: Grant
    Filed: December 15, 1999
    Date of Patent: February 10, 2004
    Assignee: Mitsumi Electric Co., Ltd.
    Inventors: Katsuhiro Hashimoto, Masato Hiramatsu
  • Patent number: 6667859
    Abstract: A rotational balance adjustment mechanism for a rotary head drum device includes a fixed drum, a shaft rotatably driven by a motor provided on the fixed drum, a rotary drum mounting a magnetic head, the rotary drum rotating atop the fixed drum, and a rotary transducer having a fixed transducer member provided on the fixed drum and a rotating transducer member provided on the rotary drum, the rotating transducer member adapted to mount a balance weight for adjusting the rotational balance of the rotary drum.
    Type: Grant
    Filed: July 5, 2000
    Date of Patent: December 23, 2003
    Assignee: Mitsumi Electric Co., Ltd.
    Inventor: Katsuhiro Hashimoto
  • Patent number: 6633930
    Abstract: Disclosed herein are an information processing apparatus, an information processing method, and information providing medium, more particularly, the present invention provides an information processing apparatus having a first executing means for executing a predetermined processing in response to a rotational operation; and a second executing means for executing another predetermined processing in response to a pushing operation. Accordingly, repeated, complicated operations required in a related art operating systems to select a desired application program on a taskbar having a start menu button to activating the selected application program is eliminated.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: October 14, 2003
    Assignee: Sony Corporation
    Inventors: Takashi Sonehara, Katsuhiro Hashimoto, Yoshihiro Yamaguchi, Yamamoto Ryou
  • Publication number: 20030115384
    Abstract: Disclosed herein are an information processing apparatus, an information processing method, and information providing medium, more particularly, the present invention provides an information processing apparatus having a first executing means for executing a predetermined processing in response to a rotational operation; and a second executing means for executing another predetermined processing in response to a pushing operation. Accordingly, repeated, complicated operations required in a related art operating systems to select a desired application program on a taskbar having a start menu button to activating the selected application program is eliminated.
    Type: Application
    Filed: December 3, 1999
    Publication date: June 19, 2003
    Inventors: TAKASHI SONEHARA, KATSUHIRO HASHIMOTO, YOSHIHIRO YAMAGUCHI, YAMAMOTO RYOU
  • Publication number: 20030098386
    Abstract: A reel for winding a magnetic recording tape used to record/reproduce information or data. The reel comprises a hub and a pair of flanges extending from axial ends of the hub in a direction perpendicular to an axis of the hub. The hub has a taper in shape such that the outer diameter of the hub is gradually reduced form an axial end to the other axial end thereof.
    Type: Application
    Filed: November 29, 2002
    Publication date: May 29, 2003
    Applicant: Mitsumi Electric Co. Ltd.
    Inventor: Katsuhiro Hashimoto
  • Patent number: 6062123
    Abstract: Within a valve housing of a power steering system, an object ring portion formed of a magnetic material and with ridges and troughs at its outer circumference is mounted to an input shaft, and a sensor including a Hall element is disposed in opposed relation to the object ring portion.
    Type: Grant
    Filed: July 20, 1998
    Date of Patent: May 16, 2000
    Assignee: Koyo Seiko Co., Ltd.
    Inventors: Yoshifumi Obata, Katsuhiro Hashimoto, Osamu Miyazaki
  • Patent number: 5415808
    Abstract: A flocculant for water treatment containing a highly polymerized silicic acid solution having a high concentration of SiO.sub.2 and an extremely low concentration of alkali metal substance, and a method for producing such flocculant. The silicic acid solution is prepared by treating an aqueous solution of an alkali metal silicate such as water glass to remove alkali metal and allowing the solution to liquefy after once gelling. The flocculant may further contain a water soluble metal salt such as ferric chloride or ferric nitrate.
    Type: Grant
    Filed: April 23, 1993
    Date of Patent: May 16, 1995
    Assignee: Suido Kiko Kabushiki Kaisha
    Inventors: Takao Hasegawa, Takuya Onitsuka, Yasuhiro Ehara, Katsuhiro Hashimoto, Hiroshi Akazawa
  • Patent number: 5227089
    Abstract: A flocculant for water treatment containing a highly polymerized silicic acid solution having a high concentration of SiO.sub.2 and an extremely low concentration of alkali metal substance, and a method for producing such flocculant. The silicic acid solution is prepared by treating an aqueous solution of an alkali metal silicate such as water glass to remove alkali metal and allowing the solution to liquefy after once gelling. The flocculant may further contain a water soluble metal salt such as ferric chloride or ferric nitrate.
    Type: Grant
    Filed: September 30, 1991
    Date of Patent: July 13, 1993
    Assignee: Suido Kiko Kabushiki Kaisha
    Inventors: Takao Hasegawa, Takuya Onitsuka, Yasuhiro Ehara, Katsuhiro Hashimoto, Hiroshi Akazawa