Patents by Inventor Toru Kohei

Toru Kohei 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: 10423702
    Abstract: A character input device includes a memory that stores one or more conversion candidates, and a processor that executes a process including receiving input of a first character of a word and the number of characters of the word, extracting a conversion candidate including the first character from the one or more conversion candidates stored in the memory according to the number of characters of the word, and displaying the extracted conversion candidate.
    Type: Grant
    Filed: February 21, 2017
    Date of Patent: September 24, 2019
    Assignee: FUJITSU CONNECTED TECHNOLOGIES LIMITED
    Inventors: Shimpei Sendai, Toru Kohei
  • Patent number: 10078369
    Abstract: A terminal device includes a touch panel and excitation piezoelectric elements. The excitation piezoelectric elements are attached to a touch panel, and generate standing-wave vibration in the touch panel to give a user a tactile sensation when the user has performed a touch operation on the touch panel. The terminal device further includes a pressurization piezoelectric element that is attached to the inner side of the touch panel than the excitation piezoelectric elements, and pressurizes the touch panel thereby changing the vibration mode of the standing-wave vibration including the position of antinodes of the standing-wave vibration.
    Type: Grant
    Filed: August 29, 2016
    Date of Patent: September 18, 2018
    Assignee: FUJITSU LIMITED
    Inventors: Keiji Kohata, Toru Kohei
  • Publication number: 20180018022
    Abstract: An electronic device includes a display part; a top panel having a manipulation surface; a coordinate detector configured to detect coordinates of a manipulation input performed on the manipulation surface; a vibrating element configured to generate a vibration at the manipulation surface; a drive controlling part configured to drive the vibrating element such that an intensity of the natural vibration changes in accordance with a position of the manipulation input performed on the manipulation surface and in accordance with a degree of time change of the position; and a housing to which the top panel is attached, wherein the top panel is fixed to the housing along an edge side of the top panel, and a first fixing force at first positions where antinodes of the natural vibration occur is smaller than a second fixing force at second positions where nodes of the natural vibration occur.
    Type: Application
    Filed: September 27, 2017
    Publication date: January 18, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Masahiko Hoshi, Toru Kohei
  • Publication number: 20170255598
    Abstract: A character input device includes a memory that stores one or more conversion candidates, and a processor that executes a process including receiving input of a first character of a word and the number of characters of the word, extracting a conversion candidate including the first character from the one or more conversion candidates stored in the memory according to the number of characters of the word, and displaying the extracted conversion candidate.
    Type: Application
    Filed: February 21, 2017
    Publication date: September 7, 2017
    Applicant: FUJITSU LIMITED
    Inventors: Shimpei Sendai, Toru Kohei
  • Publication number: 20170220135
    Abstract: There is provided a display device includes: a memory; and a processor coupled with the memory and the processor configured to: detect a tilt of the display device; detect a touch position touched on a touch panel of the display device; and point a position different from the touch position detected, based on the tilt detected, the touch position detected, and a first distance from a reference position on the touch panel to the touch position detected.
    Type: Application
    Filed: December 14, 2016
    Publication date: August 3, 2017
    Applicant: FUJITSU LIMITED
    Inventors: Shuichi ABE, Akira SHINOZAWA, Toru KOHEI
  • Publication number: 20160034069
    Abstract: An information processing apparatus detects contact of a finger with a capacitive panel. The information processing apparatus, when the contact of the finger is detected, measures a midpoint at an equal distance from either end of a contact region where the finger is in contact with the capacitive panel, and measures a centroid of an area of the contact region. The information processing apparatus executes operation depending on a distance between the measured midpoint of the contact region and the measured centroid of the area of the contact region.
    Type: Application
    Filed: July 22, 2015
    Publication date: February 4, 2016
    Inventors: Toru Kohei, Yuji Takahashi, TAKASHI YAMASAKI
  • Patent number: 7730763
    Abstract: An apparatus that corrects a weight imbalance around an axis of a spindle motor that rotates a disc in a disc drive includes an impact applicator that applies an impact to a housing that houses the spindle motor and the disc, a plate that supports the housing and impact applicator, a spring member that supports the plate, and enables the plate and the housing to vibrate together when the spindle motor rotates, and a detector that detects a vibration of the housing when the spindle motor rotates.
    Type: Grant
    Filed: January 9, 2007
    Date of Patent: June 8, 2010
    Assignee: Toshiba Storage Device Corporation
    Inventors: Toru Kohei, Nobuyoshi Nakayama, Shigeyuki Kotake, Keiji Aruga
  • Publication number: 20100097725
    Abstract: According to one embodiment, a carriage assembly includes a carriage block body, a carriage arm, a coil, a pair of support arms, and a frame body. The carriage block body is rotatably connected to a spindle. The carriage arm extends forward from the front of the carriage block body. The coil is located behind the carriage block body, and defines a linear region extending along a reference straight line extending radially from the center of the spindle. The support arms extend in parallel to the linear region from a back surface of the carriage block body. The frame body is made of a resin material, and fills between the coil and the support arms to couple the coil and the support arms. The support arms extend more outside than the external end of the linear region of the coil in the radial direction.
    Type: Application
    Filed: December 22, 2009
    Publication date: April 22, 2010
    Applicant: TOSHIBA STORAGE DEVICE CORPORATION
    Inventors: Toru KOHEI, Kei FUNABASHI, Yoshihiro ARIKAWA
  • Publication number: 20100014190
    Abstract: According to one embodiment, a recording medium drive includes a stator, a rotor, recording disks, an annular spacer, and an annular thin plate. The rotor is rotatably supported by the stator. The recording disks are mounted on the rotor. The annular spacer is mounted on the rotor between the recording disks. The annular thin plate is mounted on the rotor between one of the recording disks and the annular spacer. The thin plate includes a first thin plate, a second thin plate, and a viscoelastic body. The first and second thin plates are formed of a hard resin plate or a metal plate. The first thin plate is adjacent to either the one of the recording disks or the annular spacer, and the second thin plate is adjacent to the other. The viscoelastic body is interposed between the first thin plate and the second thin plate.
    Type: Application
    Filed: September 28, 2009
    Publication date: January 21, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Toru Kohei, Kei Funabashi
  • Publication number: 20100007991
    Abstract: According to one embodiment, a carriage assembly includes a carriage block main body, a carriage arm, a head suspension, a flexible printed circuit board, and a viscoelastic adhesive. The carriage block main body is rotatably supported by a shaft. The carriage arm extends from the carriage block main body. The head suspension is attached to an end of the carriage arm, and supports a head slider at an end. The flexible printed circuit board is partially fixed to the head suspension, extends from the head suspension toward the carriage block main body, and is affixed to a surface of the carriage arm. The viscoelastic adhesive is sandwiched between the carriage arm and the flexible printed circuit board.
    Type: Application
    Filed: September 15, 2009
    Publication date: January 14, 2010
    Applicant: FUJITSU LIMITED
    Inventor: Toru Kohei
  • Patent number: 7602587
    Abstract: A disc drive includes a motor that drives a disc, a slider that accesses the disc, a carriage that moves the slider, a housing that houses the disc, motor, slider, and carriage, and includes a rotating part that has an engagement part with the carriage at one end, and a first magnetic member at another end, and a printed board being provided on and approximately parallel to a bottom surface of the housing. The printed board includes a second magnetic member that extends from the inside of the housing to the printed board, and the printed board further includes a coil that forms an electromagnet with the second magnetic member, and is arranged in accordance with a shape of the bottom surface of the housing.
    Type: Grant
    Filed: November 30, 2006
    Date of Patent: October 13, 2009
    Assignee: Fujitsu Limited
    Inventor: Toru Kohei
  • Publication number: 20090244764
    Abstract: A balance correction apparatus is configured to correct weight imbalance around an axis of a spindle motor, and includes a piezoelectric actuator configured to apply an impact to a housing, a controller configured to generate as a rectangular wave a force profile that represents an acceleration applied to the housing by the piezoelectric actuator, and a waveform generator configured to generate a voltage waveform configured to drive the piezoelectric actuator, by integrating the force profile twice. The rectangular wave has a first acceleration after a leading edge and a second acceleration after a trailing edge. The first acceleration enables the disc to move relative to the spindle motor and the housing. The second acceleration enables the disc to move together with the spindle motor and the housing.
    Type: Application
    Filed: June 10, 2009
    Publication date: October 1, 2009
    Applicant: FUJITSU LIMITED
    Inventors: Shigeyuki Kotake, Nobuyoshi Nakayama, Toru Kohei
  • Publication number: 20080037163
    Abstract: A clamp device that clamps a disc onto a spindle motor that rotates the disc includes a clamp ring stacked on the disc and clamps the disc onto the spindle motor, a screw that fixes the clamp ring onto the spindle motor, and an axial force adjuster that nonlinearly changes a relationship between a tightening force of the screw and an axial force actually applied to the disc, and includes an elastic part that has a spring constant smaller than that of the clamp ring.
    Type: Application
    Filed: December 29, 2006
    Publication date: February 14, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Toru Kohei, Keiji Aruga
  • Publication number: 20080034838
    Abstract: An apparatus that corrects a weight imbalance around an axis of a spindle motor that rotates a disc in a disc drive includes an impact applicator that applies an impact to a housing that houses the spindle motor and the disc, a plate that supports the housing and impact applicator, a spring member that supports the plate, and enables the plate and the housing to vibrate together when the spindle motor rotates, and a detector that detects a vibration of the housing when the spindle motor rotates.
    Type: Application
    Filed: January 9, 2007
    Publication date: February 14, 2008
    Applicant: FUJITSU LIMITED
    Inventors: Toru Kohei, Nobuyoshi Nakayama, Shigeyuki Kotake, Keiji Aruga
  • Publication number: 20080019052
    Abstract: A disc drive includes a motor that drives a disc, a slider that accesses the disc, a carriage that moves the slider, a housing that houses the disc, motor, slider, and carriage, and includes a rotating part that has an engagement part with the carriage at one end, and a first magnetic member at another end, and a printed board being provided on and approximately parallel to a bottom surface of the housing. The printed board includes a second magnetic member that extends from the inside of the housing to the printed board, and the printed board further includes a coil that forms an electromagnet with the second magnetic member, and is arranged in accordance with a shape of the bottom surface of the housing.
    Type: Application
    Filed: November 30, 2006
    Publication date: January 24, 2008
    Inventor: Toru Kohei
  • Patent number: 6477017
    Abstract: Each arm module includes plate-shaped arms which lie on top of each other. A head slider is supported by the extending end of each arm module and faces a data recording surface of a magnetic disk. An actuator drives each arm module. Each arm module has a structure in which the plate-shaped arms which lie on top of each other are integrated with each other.
    Type: Grant
    Filed: February 5, 1999
    Date of Patent: November 5, 2002
    Assignee: Fujitsu Limited
    Inventors: Toru Kohei, Yasumasa Kuroba
  • Patent number: 6327120
    Abstract: An actuator having a simple configuration requiring no high dimensional accuracy, high in positioning accuracy and low in cost, and a head-positioning mechanism using the actuator are disclosed. An actuator according to a first application comprises a shear-type piezoelectric element of predetermined thickness and an opposed electrode formed on two electrodes in spaced relationship on a base member. The opposed electrode is displaced in accordance with the direction of polarization of the shear-type piezoelectric element upon applying a voltage between the two electrodes. The opposed electrode thus constitutes an operating section of the actuator. An actuator according to a second application comprises a movable member arranged on a drive member including a shear-type piezoelectric element on a base member. The drive member includes a plurality of layers of piezoelectric elements polarized in alternately opposite directions perpendicular to the thickness of the devices.
    Type: Grant
    Filed: April 8, 1998
    Date of Patent: December 4, 2001
    Assignees: Fujitsu Limited, FDX Corporation
    Inventors: Shinji Koganezawa, Toru Kohei, Tomoyoshi Yamada, Yukihiro Uematsu, Tadayoshi Noguchi, Hisashi Nakano, Ryuma Sakamoto, Junichi Inoue, Tetsuya Suzuki
  • Publication number: 20010040771
    Abstract: Each arm module includes a plurality of plate-shaped arms which lie on top of each other. A head slider is supported by the extending end of each arm module and faces a data recording surface of a magnetic disk. An actuator drives each arm module. Each arm module has a structure in which the plurality of plate-shaped arms which lie on top of each other are integrated with each other.
    Type: Application
    Filed: February 5, 1999
    Publication date: November 15, 2001
    Applicant: Fujitsu Limited
    Inventors: TORU KOHEI, YASUMASA KUROBA
  • Patent number: 6081990
    Abstract: A method for incorporating a disk medium into a magnetic disk drive, in which the rotation center of the disk medium when a servo track information is written onto the disk medium (STW) coincides with the rotation center thereof when the disk medium is incorporated into the disk apparatus. A reference marker is provided as a positioning reference on a part of the disk medium. The disk medium is incorporated into a STW apparatus so that STW is performed on the disk medium. The disk medium is also incorporated into the magnetic disk drive in such a manner that a distance from an axis of rotation center of the disk medium to the reference marker is the same as when the STW was performed onto the disk medium.
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: July 4, 2000
    Assignee: Fujitsu Limited
    Inventors: Yasumasa Kuroba, Tomoyoshi Yamada, Toru Kohei, Shinji Koganezawa, Mitsuaki Yoshida, Hiroyuki Iwahara
  • Patent number: 6074283
    Abstract: A compact and simple lapping apparatus in which, even if projections and depressions are formed in the circumferential direction on the top surface of a lapping plate, a workpiece and a bar are hard to damage and the polished surface of the workpiece is kept in good condition. This apparatus is provided with at least one lapping jig in which a workpiece is placed on the rotating top surface of the lapping plate. Further, a lapping head adapted to be able to rotate only in a direction on the lapping plate is attached to this lapping jig. This lapping head is equipped with a workpiece and at least two dummy work materials (or stock) so that these dummy works compose (as-polished) surfaces, which should be polished, together with the workpiece. Moreover, a device for detecting the remaining part of the workpiece to be lapped is provided on the workpiece.
    Type: Grant
    Filed: March 19, 1998
    Date of Patent: June 13, 2000
    Assignee: Fujitsu Limited
    Inventors: Hiroshi Maeda, Yoshifumi Mizoshita, Toshiyuki Satoh, Takahiro Imamura, Toru Kohei