Patents by Inventor Masahiro Ieda

Masahiro Ieda 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: 7385666
    Abstract: A liquid crystal display device with a pair of substrates which are arranged to face each other with liquid crystal therebetween, columnar spacers having the substantially equal height formed on a liquid-crystal-side surface of one substrate, and the columnar spacers include the columnar spacer which is contact with a liquid-crystal-side surface of another substrate and the columnar spacer which is not contact with the liquid-crystal-side surface of another substrate.
    Type: Grant
    Filed: October 21, 2004
    Date of Patent: June 10, 2008
    Assignee: Hitachi Displays, Ltd.
    Inventors: Keiichiro Ashizawa, Mitsuo Nakatani, Hiroaki Miwa, Takao Tanaka, Sadafumi Hirai, Shinichi Kawabe, Makoto Sasaki, Kazuyuki Ito, Masahiro Ieda
  • Patent number: 7243357
    Abstract: A disk device including a first disk holder movable with disk conveyance, a second disk holder opposed to a groove portion formed in the first disk holder and holding a disk grippingly in cooperation with the first disk holder when the first disk holder holds the disk, and a supporter which supports the first disk holder and which causes a support position for the first disk holder to be shifted in accordance with the movement of the first disk holder to be shifted in accordance with movement of the first disk holder, realizes reducing in size and number of parts, prevention of damage to disks, shortening operation time for plurality of operations, improved vibration resistance and less expensive manufacturing cost.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: July 10, 2007
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kazutoshi Taniguchi, Kei Shirahata, Takashi Kuzuu, Shoji Tatehata, Eiji Sasaki, Kiichiro Murotani, Naohiko Obata, Yuichiro Suzui, Ryoto Adachi, Tetsuro Nagami, Takashi Matsuda, Yasuyuki Nakanishi, Masahiro Ieda
  • Patent number: 7015799
    Abstract: A device installation apparatus for a mobile body is disposed in a position sandwiched between a driver's seat 107a and a assistant driver's seat 197b in an automobile vehicle 100, and is constituted by a center console box 109, as an installing means, movable along a rail portion 110, in which a desired device such as a CD player 201, a cassette tape player 202, a DVD player 203 or the like can be installed. Having been constituted as above, it allows passengers seated other than in front seats an easy access to the desired device 200, remarkably improving the convenience of the apparatus.
    Type: Grant
    Filed: April 27, 2000
    Date of Patent: March 21, 2006
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toyoaki Kitano, Masahiro Ieda, Osamu Kono, Shimon Okada, Kei Kasuga, Shinichi Kato
  • Patent number: 6996835
    Abstract: A disk device capable of storing a plurality of disks therein includes a disk holder capable of changing its vertical position to hold a disk, a driver to drive the disk holder, and the disk holder performs a rotational movement and the changing of its vertical height by means of the same driving mechanism of the driver. The disk device realizes a reduction in size and number of parts, prevention of damage to disks, a shortened operation time for a plurality of operations, improved vibration resistance, and a reduced manufacturing cost.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: February 7, 2006
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kazutoshi Taniguchi, Kei Shirahata, Takashi Kuzuu, Shoji Tatehata, Eiji Sasaki, Kiichiro Murotani, Naohiko Obata, Yuichiro Suzui, Ryoto Adachi, Tetsuro Nagami, Takashi Matsuda, Yasuyuki Nakanishi, Masahiro Ieda
  • Patent number: 6996034
    Abstract: A disk device realizing reducing in size and number of parts, prevention of damage to disks, shortening operation time for plurality of operations, improved vibration resistance and less expensive manufacturing cost is provided. The disk device capable of storing a plurality of disks includes an operation setting means to actuate the disk holding means according to an operation mode of the disk, and an operation mode switching means to switch the operation mode of the operation setting means based on contents of disk operation.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: February 7, 2006
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kazutoshi Taniguchi, Kei Shirahata, Takashi Kuzuu, Shoji Tatehata, Eiji Sasaki, Kiichiro Murotani, Naohiko Obata, Yuichiro Suzui, Ryoto Adachi, Tetsuro Nagami, Takashi Matsuda, Yasuyuki Nakanishi, Masahiro Ieda
  • Publication number: 20050088606
    Abstract: A liquid crystal display device with a pair of substrates which are arranged to face each other with liquid crystal therebetween, columnar spacers having the substantially equal height formed on a liquid-crystal-side surface of one substrate, and the columnar spacers include the columnar spacer which is contact with a liquid-crystal-side surface of another substrate and the columnar spacer which is not contact with the liquid-crystal-side surface of another substrate.
    Type: Application
    Filed: October 21, 2004
    Publication date: April 28, 2005
    Inventors: Keiichiro Ashizawa, Mitsuo Nakatani, Hiroaki Miwa, Takao Tanaka, Sadafumi Hirai, Shinichi Kawabe, Makoto Sasaki, Kazuyuki Ito, Masahiro Ieda
  • Patent number: 6883173
    Abstract: A disk device realizing reducing in size and number of parts, prevention of damage to disks, shortening operation time for plurality operations, improved vibration resistance and less expensive manufacturing cost is provided. The disk device capable of storing a plurality of disks loosely fitted and supported at its inner diameter, including separable loose mandrel mechanisms, when the mandrel mechanism is loosely fitted to the disk, the disk holder holds the disk, and one end of the a second mandrel mechanism is connected to another end of a first mandrel mechanism in a state that the disk is raised to a height abutting upon a support of a ceiling side formed on the first mandrel mechanism.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: April 19, 2005
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kazutoshi Taniguchi, Kei Shirahata, Takashi Kuzuu, Shoji Tatehata, Eiji Sasaki, Kiichiro Murotani, Naohiko Obata, Yuichiro Suzui, Ryoto Adachi, Tetsuro Nagami, Takashi Matsuda, Yasuyuki Nakanishi, Masahiro Ieda
  • Patent number: 6820004
    Abstract: In response to a voice request from a facility judgment means which judges the location of such a facility from the current position selected in advance based on the current position and map data, the voice guidance generated by guidance synchronizing means is converted by stereophonic or three dimensional signal processing means into a stereophonic or three dimensional sound field signal, and outputted to at least two or more speakers which generate a stereophonic or three dimensional sound field reproducing space corresponding to the left and right external ears of a listener. The distance to, and the direction of, the facility that has been selected in advance are informed by the movement of an image of a stereophonic or three dimensional sound with rich presence.
    Type: Grant
    Filed: January 2, 2003
    Date of Patent: November 16, 2004
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Daisuke Arai, Fujio Hayakawa, Toyoaki Kitano, Yutaka Kotani, Yutaka Yamagishi, Masahiro Ieda
  • Patent number: 6817022
    Abstract: A disk device realizing reducing in size and number of parts, prevention of damage to disks, shortening operation time for plurality of operations, improved vibration resistance and less expensive manufacturing cost is provided. In the disk device when a disk is reproduced, a disk reproducing mechanism is moved to become a center of disk coincident with a center of turntable thereof, a first disk holding mechanism is moved downward to load the disk on the disk reproducing mechanism, then a disk clamping mechanism is moved to clamp the disk loaded on the disk reproducing mechanism, and the disk is reproduced after the first and second disk holding mechanism release the disk and are taken away from the disk.
    Type: Grant
    Filed: May 20, 2002
    Date of Patent: November 9, 2004
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Kazutoshi Taniguchi, Kei Shirahata, Takashi Kuzuu, Shoji Tatehata, Eiji Sasaki, Kiichiro Murotani, Naohiko Obata, Yuichiro Suzui, Ryoto Adachi, Tetsuro Nagami, Takashi Matsuda, Yasuyuki Nakanishi, Masahiro Ieda
  • Patent number: 6804593
    Abstract: A steering system for mobile unit has a steering section 200 for steering a mobile unit having an operation section 210 on a part thereof, and a control section 240 for enabling the mobile unit to be steered, when the steering section 200 is set at a first installed position, and enabling the operation section 210 to make an operation on the device, when the steering section 200 is set at a second installed position.
    Type: Grant
    Filed: October 16, 2002
    Date of Patent: October 12, 2004
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toyoaki Kitano, Masahiro Ieda, Osamu Kono, Yasuhisa Nakamura, Shimon Okada, Kei Kasuga, Shinichi Kato
  • Patent number: 6785216
    Abstract: A disk device includes a disk playing section provided with a pickup reading recorded information on a disk and a rotatable turntable mounting a disk, a damper section supporting said disk playing section to float and a rotatable base section which disposes said disk playing section through said damper section and which forms an engaged section by an engaging action and an engaging section which engages with an engaged section. The invention is further characterized in that when said base section is rotated to a disk playing position, said engaged section is adapted to engage with said engaging section.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: August 31, 2004
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Ryoto Adachi, Tetsurou Nagami, Yasuyuki Nakanishi, Takashi Matsuda, Masahiro Ieda
  • Patent number: 6760282
    Abstract: A disk device providing disk storage and disk playing capabilities. The disk storage being provided along a vertical column. Upon the retrieval of a desired disk from the disk storage, the desired disk is rotated around the column so that it may move up and down the column into a playing position. Upon reaching the playing position the disk is provided to a disk playing device for playing the disk.
    Type: Grant
    Filed: September 26, 2002
    Date of Patent: July 6, 2004
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Ryoto Adachi, Yasuyuki Nakanishi, Takashi Matsuda, Tatsuya Saitou, Masahiro Ieda
  • Patent number: 6752444
    Abstract: A central console unit is disposed in a position between a driver's seat and a front-passenger's seat in a motor vehicle as a mobile body and disposes desired devices such as a CD player, a cassette tape player, a DVD player, or the like, is arranged to allow the central console unit to be positioned along a rail to a predetermined position corresponding to each of the seats in the motor vehicle.
    Type: Grant
    Filed: January 8, 2003
    Date of Patent: June 22, 2004
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Toyoaki Kitano, Masahiro Ieda, Osamu Kono, Yasuhisa Nakamura, Shimon Okada, Kei Kasuga, Shinichi Kato
  • Publication number: 20040026947
    Abstract: A central console unit as disposing means which is disposed in a position between a driver's seat and a front-passenger's seat in a motor vehicle as a mobile body and disposes desired devices such as a CD player, a cassette tape player, a DVD player, or the like, is arranged to allow the disposing means to be positioned along a rail to a predetermined position corresponding to each of the seats in the motor vehicle.
    Type: Application
    Filed: January 8, 2003
    Publication date: February 12, 2004
    Inventors: Toyoaki Kitano, Masahiro Ieda, Osamu Kono, Yasuhisa Nakamura, Shimon Okada, Kei Kasuga, Shinichi Kato
  • Patent number: 6667940
    Abstract: A disk device is provided with a disk insertion/ejection means which performs insertion and ejection operations of a disk to the inside and outside the device and a displacement means which displaces said disk insertion/ejection means along a direction of disk insertion/ejection and wherein said displacement means is adapted to displace the disk insertion/ejection means in either a direction of disk insertion or disk ejection based on the operation of said disk.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: December 23, 2003
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Takashi Matsuda, Yasuyuki Nakanishi, Ryoto Adachi, Masahiro Ieda
  • Patent number: 6650602
    Abstract: A disk device includes a rotatable bar-shaped fixing element which is fixed loosely to an inner peripheral hole of each of a plurality of disks and a support element which forms a support section. The support section supports a section of a disk on a peripheral section of the fixing element. The support element is displaced in a direction of a rotational axis of the fixing element based on the rotations of the fixing element.
    Type: Grant
    Filed: February 12, 2001
    Date of Patent: November 18, 2003
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Yasuyuki Nakanishi, Ryoto Adachi, Tetsurou Nagami, Takashi Matsuda, Masahiro Ieda
  • Publication number: 20030142842
    Abstract: In correspondence with the left and right external ears of a listener occupying a seat, a three dimensional sound field reproducing unit includes at least more than two speakers disposed on a headrest on the top of a backrest of the seat, and three dimensional signal processing means which converts an output signal from a sound source into a three dimensional sound field signal for supplying it to each of the speakers. Three dimensional sound field with high accuracy and fidelity is reproduced near the external ears of the listener.
    Type: Application
    Filed: January 2, 2003
    Publication date: July 31, 2003
    Inventors: Daisuke Arai, Fujio Hayakawa, Toyoaki Kitano, Yutaka Kotani, Yutaka Yamagishi, Masahiro Ieda
  • Publication number: 20030105586
    Abstract: In response to a voice request from a facility judgment means which judges the location of such a facility from the current position selected in advance based on the current position and map data, the voice guidance generated by guidance synchronizing means is converted by stereophonic or three dimensional signal processing means into a stereophonic or three dimensional sound field signal, and outputted to at least two or more speakers which generate a stereophonic or three dimensional sound field reproducing space corresponding to the left and right external ears of a listener. The distance to, and the direction of, the facility that has been selected in advance are informed by the movement of an image of a stereophonic or three dimensional sound with rich presence.
    Type: Application
    Filed: January 2, 2003
    Publication date: June 5, 2003
    Inventors: Daisuke Arai, Fujio Hayakawa, Toyoaki Kitano, Yutaka Kotani, Yutaka Yamagishi, Masahiro Ieda
  • Publication number: 20030103636
    Abstract: A vehicle-mounted three dimensional sound signal reproducing-silencing unit includes at least two speakers disposed for each of seats to be occupied by listeners so as to generate a three dimensional sound field space in a region inclusive of left and right external ears of each of the listeners, and three dimensional signal processing means for converting an output signal from a sound source into a three dimensional sound field signal for supplying it to each of the speakers, thereby reproducing a three dimensional sound field with rich presence for each of the seats. The unit also includes antiphase signal generating means for supplying a silencing signal to the three dimensional signal processing means, thereby silencing sounds for each of the seats without giving an effect on the other seats.
    Type: Application
    Filed: January 2, 2003
    Publication date: June 5, 2003
    Inventors: Daisuke Arai, Fujio Hayakawa, Toyoaki Kitano, Yutaka Kotani, Yutaka Yamagishi, Masahiro Ieda
  • Publication number: 20030095491
    Abstract: A disk device providing disk storage and disk playing capabilities. The disk storage being provided along a vertical column. Upon the retrieval of a desired disk from the disk storage, the desired disk is rotated around the column so that it may move up and down the column into a playing position. Upon reaching the playing position the disk is provided to a disk playing device for playing the disk.
    Type: Application
    Filed: September 26, 2002
    Publication date: May 22, 2003
    Applicant: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Ryoto Adachi, Yasuyuki Nakanishi, Takashi Matsuda, Tatsuya Saitou, Masahiro Ieda