Patents by Inventor Hajime Tamura

Hajime Tamura 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: 20150024941
    Abstract: A superconducting magnet includes a pair of superconducting coils, two heat shields surrounding the pair of superconducting coils, respectively, two vacuum chambers accommodating the two heat shields, respectively, and facing each other with a predetermined space sandwiched therebetween, a magnetic shield covering at least a portion of the two vacuum chambers, and two position adjustment mechanisms supporting the two vacuum chambers, respectively, in a position-adjustable manner. The two position adjustment mechanisms change distribution of a static magnetic field formed in the predetermined space by the pair of superconducting coils, by adjusting relative positional relation between the two vacuum chambers.
    Type: Application
    Filed: April 20, 2012
    Publication date: January 22, 2015
    Applicant: Mitsubishi Electric Corpaorion
    Inventor: Hajime Tamura
  • Patent number: 8920164
    Abstract: An orthodontic device (10) according to the invention having an orthodontic attachment (11) which includes an engaging portion (17) formed in a side portion of an archwire slot (16), and an orthodontic cap (13) mounted on the orthodontic attachment (11) while covering the whole of the archwire slot (16) and includes an engaging/receiving portion (22) extending in a direction perpendicular to a mesiodistal direction of the archwire (12) and engageable with the engaging portion (17). A method for mounting and removing an orthodontic cap which to facilitate the mounting and removing of the orthodontic cap with respect to the orthodontic attachment.
    Type: Grant
    Filed: May 15, 2009
    Date of Patent: December 30, 2014
    Assignee: Tomy Incorporated
    Inventors: Hajime Tamura, Kiyoshi Shiga
  • Publication number: 20130237426
    Abstract: A superconducting magnet includes a superconducting coil, a heat shield surrounding the superconducting coil, a vacuum chamber accommodating the heat shield, a magnetic shield covering at least a part of the vacuum chamber, and a refrigerating machine fixed to the vacuum chamber to cool the superconducting coil through a heat conducting body. The magnetic shield abuts against said vacuum chamber with an elastic body therebetween to support the vacuum chamber.
    Type: Application
    Filed: March 22, 2011
    Publication date: September 12, 2013
    Applicant: Mitsubishi Electric Corporation
    Inventor: Hajime Tamura
  • Patent number: 8321255
    Abstract: A method for resource management and planning includes receiving manufacturing information associated with multiple distributed enterprise facilities; generating manufacturing plans based at least in part on the manufacturing information; receiving feedback regarding execution of the manufacturing plans; identifying at least one of the manufacturing plans describing manufacturing activities planned to occur within a fixed time period in the future; modifying the identified manufacturing plan based on the feedback; and communicating the modified manufacturing plan to the distributed enterprise facilities.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: November 27, 2012
    Assignee: Glovia International, Inc.
    Inventors: Quentin Stewart Brearley, Hajime Tamura, Anil Kumar Sharma
  • Patent number: 8305173
    Abstract: There is obtained a superconductive magnet in which there are reduced the machining costs and the amount of materials for bobbins and supporting members that support coils. In a superconductive magnet provided with a first group of coils serving as main coils for generating a magnetic field and a second group of coils serving as shield coils that are arranged coaxially with the first group of coils and generate a magnetic field whose direction is opposite the direction of a magnetic field generated by the first group of coils so that a magnetic field that leaks outside is cancelled, the second group of coils are arranged at axis-direction positions where axis-direction electromagnetic force generated by the first group of coils and exerted on the second group of coils and axis-direction electromagnetic force generated by the second group of coils balance with each other and cancel out each other.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: November 6, 2012
    Assignee: Mitsubishi Electric Corporation
    Inventor: Hajime Tamura
  • Publication number: 20120058443
    Abstract: In an orthodontic device 10 according to the invention, an orthodontic attachment 11 includes an engaging portion 17 formed in a side portion of an archwire slot 16, and an orthodontic cap 13 is mounted on the orthodontic attachment 11 while covering the whole of the archwire slot 16 and includes an engaging portion receiving portion 22 extending in a direction perpendicular to a mesiodistal direction of the archwire 12 and engageable with the engaging portion 17. In this orthodontic device, when retaining the archwire in the archwire slot of the orthodontic attachment, the archwire is retained by the orthodontic cap through the orthodontic attachment, thereby being able to reduce frictional resistance between the archwire and archwire slot.
    Type: Application
    Filed: May 15, 2009
    Publication date: March 8, 2012
    Inventors: Hajime Tamura, Kiyoshi Shiga
  • Patent number: 8126754
    Abstract: A method for managing manufacturing resources and planning manufacturing activities includes tracking enterprise information detailing business records for an enterprise, the enterprise information including real-time information regarding resources, production, and inventory related to production of a product; communicating with a resource management system storing the enterprise information and multiple affiliated organizations using disparate protocols; translating communications between the protocols to facilitate transfer of data between the resource management system and the affiliated organizations; loading selected portions of the enterprise information into a scaled memory; and generating, in real-time, production plans based on the selected portions of the enterprise information loaded into the scaled memory to affect manufacturing and shipping of goods and materials.
    Type: Grant
    Filed: November 22, 2004
    Date of Patent: February 28, 2012
    Assignee: Glovia International, Inc.
    Inventors: Yuji Nakasu, Quentin Stewart Brearley, Hajime Tamura
  • Publication number: 20120004503
    Abstract: A treatment endoscope includes that a body cavity insertion portion which includes a main body distal hard portion, and a main body curving portion provided to a proximal side of the main body distal hard portion, one or more treatment arm/arms projecting to a distal side from the main body distal hard portion, each of the treatment arm/arms including a curving mechanism, an operation portion provided to the proximal side of the body cavity insertion portion, and an observation section configured to image a field of view in a body cavity, the observation section including an imaging section provided within the main body distal hard portion. The treatment endoscope includes that an operation portion attaching/detaching mechanism configured to removably attach the operation portion to the body cavity insertion portion, and an observation section attaching/detaching mechanism configured to removably attach the observation section to the body cavity insertion portion.
    Type: Application
    Filed: September 19, 2011
    Publication date: January 5, 2012
    Applicant: OLYMPUS CORPORATION
    Inventors: Masayuki KAWAURA, Yoshiaki Ito, Hirokazu Tanaka, Hideya Kitagawa, Hajime Tamura
  • Publication number: 20110316842
    Abstract: Provided is a method of driving an information display panel in which at least two types of display media comprised of particle groups containing chargeable particles are sealed between two opposed substrates, at least one substrate being transparent, and a voltage is applied across a pair of opposed pixel electrodes formed by providing conductive films to the respective substrates to move the display media, thereby displaying an information image, wherein, in a series of alternating voltage pulses applied at the time of deleting the information image displayed on the information display panel, there is provided an OFF time, which is a period during which application voltage of 0 volt is maintained during change of polarity of each pulse voltage.
    Type: Application
    Filed: December 8, 2009
    Publication date: December 29, 2011
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Shuhei Yamada, Hajime Tamura, Takanori Shoji, Keita Ishii, Shinya Tsuchida, Kimitoshi Aoki
  • Publication number: 20110242081
    Abstract: Provided is a method of driving an information display panel in which: at least two types of display media comprised of particle groups containing chargeable particles are sealed between opposed two substrates, at least one substrate being transparent; a voltage is applied across a pair of opposed pixel electrodes formed such that conductive films provided to the respective substrates face each other to move the display media, thereby displaying an information image, wherein, at the time of deleting the information image displayed on the information display panel, application of an alternating voltage and application of positive or negative voltage two or more cycles in a row are combined to delete the information image. With this method of driving an information display panel, it is possible to sufficiently delete a history of a previously displayed information image without causing the decrease in lifetime of display-rewriting and increase in power consumption.
    Type: Application
    Filed: December 8, 2009
    Publication date: October 6, 2011
    Applicant: BRIDGESTONE CORPORATION
    Inventors: Shuhei Yamada, Hajime Tamura, Takanori Shoji, Keita Ishii, Shinya Tsuchida, Kimitoshi Aoki
  • Patent number: 7884605
    Abstract: A shim support guide jig includes a shim support guide pipe in which a guide passage for guiding the movement of a shim support is formed. In a state where a superconducting magnet has generated a static magnetic field, the designated shim support can be drawn out from the internal space of the superconducting magnet through the guide passage, and the designated shim support for which magnetic material shims have been arranged and adjusted can be inserted into the internal space through the guide passage. A magnetic field generation apparatus has the magnetic material shims arranged and adjusted using the shim support guide jig, and a magnetic resonance imaging equipment employs the magnetic field generation apparatus. Magnetic field adjustment methods for the magnetic field generation apparatus and for the magnetic resonance imaging equipment are performed using the shim support guide jig.
    Type: Grant
    Filed: January 3, 2008
    Date of Patent: February 8, 2011
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hajime Tamura, Hajime Tanabe
  • Publication number: 20100295640
    Abstract: There is obtained a superconductive magnet in which there are reduced the machining costs and the amount of materials for bobbins and supporting members that support coils. In a superconductive magnet provided with a first group of coils serving as main coils for generating a magnetic field and a second group of coils serving as shield coils that are arranged coaxially with the first group of coils and generate a magnetic field whose direction is opposite the direction of a magnetic field generated by the first group of coils so that a magnetic field that leaks outside is cancelled, the second group of coils are arranged at axis-direction positions where axis-direction electromagnetic force generated by the first group of coils and exerted on the second group of coils and axis-direction electromagnetic force generated by the second group of coils balance with each other and cancel out each other.
    Type: Application
    Filed: October 9, 2009
    Publication date: November 25, 2010
    Applicant: Mitsubishi Electric Corporation
    Inventor: Hajime TAMURA
  • Patent number: 7762132
    Abstract: A refrigerant liquid level measuring device that measures a refrigerant liquid level in a short period is provided. A series sensor arrangement includes a plurality of sensor elements electrically connected in series. The sensor elements each have a superconducting wire and a normal conductor heater electrically connected to the wire, and the superconducting wire and the normal conductor heater are in thermal contact with each other. The series sensor arrangement is provided to cross the liquid level of refrigerant liquid in a container that stores the refrigerant liquid and one of the sensor elements and the other sensor elements in the series sensor arrangement are positioned on one another in the vertical direction. The series sensor arrangement is supplied with electric current, so that the liquid level of the refrigerant is measured by measuring the electrical resistance value of the normal conductive part of the super conducting wires in the series sensor arrangement.
    Type: Grant
    Filed: June 1, 2007
    Date of Patent: July 27, 2010
    Assignee: Mitsubishi Electric Corporation
    Inventor: Hajime Tamura
  • Patent number: 7683624
    Abstract: A magnetic field adjustment device for a superconducting magnet, wherein magnetic material shim mechanisms are arranged in an axial direction of an inside periphery of the cylindrical superconducting magnet, each of the magnetic material shim mechanisms including a combined shim tray (14 in FIG. 2) in which a plurality of divided shim trays (11 and 12) and shim tray spacers (13) inserted between the divided shim trays are rectilinearly coupled, and magnetic material shims (101) for magnetic field adjustments as are accommodated in the divided shim trays. The magnetic material shim mechanisms afford a high versatility of magnetic material shim arrangements, whereby a correctable range of a magnetic field uniformity can be widened.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: March 23, 2010
    Assignee: Mitsubishi Electric Corporation
    Inventor: Hajime Tamura
  • Patent number: 7646358
    Abstract: In an image display device which has an image display panel, in which two or more groups of particles or liquid powders having different colors and different charge characteristics are sealed between opposed two substrates, at least one of two substrates being transparent, and, in which the particles or the liquid powders, to which an electrostatic field produced by a pair of electrodes provided on one substrate or both substrates respectively is applied, are made to move so as to display an image, a chip for transmitting a drive signal to the image display panel is arranged in the substrate (first aspect of the invention), or, the two substrates are constructed by a transparent substrate and the pair of electrodes are constructed by a transparent electrode (second aspect of the invention).
    Type: Grant
    Filed: July 8, 2003
    Date of Patent: January 12, 2010
    Assignee: Bridgestone Corporation
    Inventors: Reiji Hattori, Itsuo Tanuma, Yoshitomo Masuda, Norio Nihei, Ryou Sakurai, Hajime Tamura, Hirotaka Yamazaki
  • Patent number: 7580766
    Abstract: A method for manufacturing resource planning includes identifying multiple logical entities within a manufacturing facility; receiving supply information for each of the logical entities, the supply information for a particular logical entity including current and projected future inventories of resources assigned to the particular logical entity for use in manufacturing products; receiving demand information associated with manufacture of a requested product; identifying resources for use in manufacturing the requested product; and scheduling manufacture of the requested product using the identified resources at least one of the logical entities at least partially based on the supply information and the demand information.
    Type: Grant
    Filed: December 17, 2004
    Date of Patent: August 25, 2009
    Assignee: Glovia International, Inc.
    Inventors: Anil Kumar Sharma, Hajime Tamura, Paul Miller, Quentin S. Brearley
  • Publication number: 20090171150
    Abstract: An endoscope main body of an endoscope includes a body cavity insert ion section, at least one operating arm section, a main body operating section, an arm section operating section, and an observation unit attachment/detachment mechanism. The insertion section includes a main body bending portion at the distal end portion of the endoscope main body. The operating arm section includes arm section bending portion connected to the distal end of the insertion section. The main body operating section includes a first operation mechanism provided on the proximal end side of the insertion section. The arm section operating section includes a second operation mechanism provided on the proximal end side of the insertion section. The observation unit attachment/detachment mechanism detachably attaches, to the insertion section, an observation unit provided in the insertion section and having a camera section and a signal transmission section which transmits video data.
    Type: Application
    Filed: December 19, 2008
    Publication date: July 2, 2009
    Applicant: Olympus Corporation
    Inventors: Taro Iede, Hirokazu Tanaka, Yoshiaki Ito, Hideya Kitagawa, Hajime Tamura
  • Patent number: 7554716
    Abstract: In a first aspect of the invention, an information display panel, in which at least one group of display media having optical reflectance and charge characteristics, formed by at least one group of particles, are scaled in a cell (corresponding to one display unit) formed by partition walls between two substrates, at least one substrate being transparent, and, in which the display media, to which an electrostatic field is applied, are made to move so as to display information such as an image, includes (1) a color filter formed by arranging filters having a predetermined numbers of colors on a transparent substrate at a display side so as to perform a color display, and a black layer arranged between the partition walls and the transparent substrate.
    Type: Grant
    Filed: November 9, 2006
    Date of Patent: June 30, 2009
    Assignee: Bridgestone Corporation
    Inventors: Shinichi Kita, Hajime Tamura, Takanori Shoji, Hirotaka Yamazaki
  • Patent number: 7535539
    Abstract: An image display device which comprises an image display panel, in which particles or liquid powders as image display media are sealed in cells formed in an isolated manner from one another by partition walls between two opposed substrates, at least one of two substrates being transparent, and, in which the particles or the liquid powders, to which an electrostatic field is applied, are made to move so as to display an image, is characterized in that: (1) the partition walls are manufactured by a photolithography method, and a shape of the partition wall is a taper shape such that a width of an end portion at a side of a rear substrate is larger than that at a side of a front substrate; (3-1) a plurality of cells are arranged in such a manner that they do not correspond one for one to the positions of pixels for displaying the image; (3-2) a ratio of cell area/pixel area is formed to be smaller than 4; and (2) the image display panel is manufactured by: forming a first layer made of photosensitive color compo
    Type: Grant
    Filed: February 7, 2006
    Date of Patent: May 19, 2009
    Assignee: Bridgestone Corporation
    Inventors: Ryou Sakurai, Hidetoshi Hiraoka, Taichi Kobayashi, Takanori Shoji, Hajime Tamura, Shinichi Kita
  • Publication number: 20090009171
    Abstract: A shim support guide jig includes a shim support guide pipe in which a guide passage for guiding the movement of a shim support is formed. In a state where a superconducting magnet has generated a static magnetic field, the designated shim support can be drawn out from the internal space of the superconducting magnet through the guide passage, and the designated shim support for which magnetic material shims have been arranged and adjusted can be inserted into the internal space through the guide passage. A magnetic field generation apparatus has the magnetic material shims arranged and adjusted using the shim support guide jig, and a magnetic resonance imaging equipment employs the magnetic field generation apparatus. Magnetic field adjustment methods for the magnetic field generation apparatus and for the magnetic resonance imaging equipment are performed using the shim support guide jig.
    Type: Application
    Filed: January 3, 2008
    Publication date: January 8, 2009
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hajime Tamura, Hajime Tanabe