Patents by Inventor Tetsu Tanaka

Tetsu Tanaka 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: 10177118
    Abstract: To miniaturize metal columns. A semiconductor device includes a metal column (14) that extends in a stretching direction; a polymer layer (16) that surrounds the metal column from a direction crossing the stretching direction; and a guide (12) that surrounds the polymer layer in the crossing direction so as to be spaced from the metal column with the polymer layer interposed therebetween. A method for manufacturing semiconductor devices includes a step of filling a mixture (20) containing metal particles (22) and polymers (24) in a guide (12); and a step of subjecting the mixture to a heat treatment so that the polymers agglomerate to the guide to form a polymer layer (16) that makes contact with the guide and the metal particles agglomerate away from the guide with the polymer layer interposed therebetween to form a metal column (14) that stretches in a stretching direction of the guide from the metal particles.
    Type: Grant
    Filed: March 3, 2017
    Date of Patent: January 8, 2019
    Assignees: TOHOKU UNIVERSITY, TOSHIBA MEMORY CORPORATION
    Inventors: Mitsumasa Koyanagi, Tetsu Tanaka, Takafumi Fukushima, Kang-Wook Lee
  • Publication number: 20180365205
    Abstract: A tabular data analysis method includes determining, by a computer, whether a cell having data is present for each row or each column of input tabular data, and extracting, in a case where there is one or more cells having data, a block of rows or columns in which the one or more cells are consecutively included, as a part related to one piece of table data.
    Type: Application
    Filed: July 30, 2018
    Publication date: December 20, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Tsuyoshi Maita, Nobumi Noro, Tetsu Tanaka
  • Publication number: 20180322108
    Abstract: An item name association processing method includes: extracting a plurality of item names from table format data, using a processor; referring to a storage in which a plurality of item groups is stored and determining which item group includes an item name that has a predetermined similar relationship with the plurality of individual extracted item names, using the processor; and selecting, as an association target, from among the plurality of item names, regarding the item name from which a positive determination result has been obtained, the item name having the predetermined similar relationship and submitting, as an association candidate, from among the plurality of item names, regarding the item name from which a negative determination result has been obtained, the item group determined to include the item name having the predetermined similar relationship with another item name, using the processor.
    Type: Application
    Filed: July 16, 2018
    Publication date: November 8, 2018
    Applicant: FUJITSU LIMITED
    Inventors: Tsuyoshi Maita, Nobumi Noro, Tetsu Tanaka
  • Publication number: 20180226382
    Abstract: A semiconductor device includes a metal column that extends in a stretching direction; a polymer layer that surrounds the metal column from a direction crossing the stretching direction; and a guide that surrounds the polymer layer in the crossing direction so as to be spaced from the metal column with the polymer layer interposed therebetween. A method for manufacturing semiconductor devices includes a step of filling a mixture containing metal particles and polymers in a guide; and a step of subjecting the mixture to a heat treatment so that the polymers agglomerate to the guide to form a polymer layer that makes contact with the guide and the metal particles agglomerate away from the guide with the polymer layer interposed therebetween to form a metal column that stretches in a stretching direction of the guide from the metal particles.
    Type: Application
    Filed: April 10, 2018
    Publication date: August 9, 2018
    Applicants: TOHOKU UNIVERSITY, TOSHIBA MEMORY CORPORATION
    Inventors: Mitsumasa KOYANAGI, Tetsu TANAKA, Takafumi FUKUSHIMA, Kang-Wook LEE
  • Publication number: 20170300574
    Abstract: A non-transitory computer-readable recording medium storing a data acquisition program that causes a computer to execute a process including: identifying a position of a part to be extracted in a document that is associated with a specific URL and includes structural information of tags, the position being on a hierarchical structure of the tags included in the document, and allowing the position on the hierarchical structure to be registered; and accessing periodically or non-periodically the document associated with the specific URL, and extracting and outputting data corresponding to the registered position on the hierarchical structure of the tags.
    Type: Application
    Filed: May 8, 2017
    Publication date: October 19, 2017
    Applicant: FUJITSU LIMITED
    Inventors: TSUYOSHI MAITA, Nobumi Noro, Tetsu Tanaka
  • Publication number: 20170242865
    Abstract: A data verification device includes a processor configured to: specify, out of a plurality of sites registered as acquisition sources of specific information, reliability of the site from which the information was acquired as the specific information based on storage content of a storage that stores therein the reliability in association with each of the sites; and output the information acquired as the specific information together with the specified reliability.
    Type: Application
    Filed: May 9, 2017
    Publication date: August 24, 2017
    Applicant: FUJITSU LIMITED
    Inventors: TSUYOSHI MAITA, Nobumi Noro, Tetsu Tanaka
  • Publication number: 20170242839
    Abstract: A non-transitory computer-readable recording medium stores a data acquisition program that causes a computer to execute a process including: extracting first data and second data that are separated from each other by a predetermined tag or symbol, from a document written in HTML; displaying the extracted first data and the extracted second data in an associated manner; and specifying a position of a tag included in the document on a hierarchical structure with respect to the first data or the second data in the document to allow registration of the position on the hierarchical structure, upon detecting that the displayed first data or the displayed second data is selected.
    Type: Application
    Filed: May 8, 2017
    Publication date: August 24, 2017
    Applicant: FUJITSU LIMITED
    Inventors: TSUYOSHI Maita, Nobumi Noro, Tetsu Tanaka
  • Publication number: 20170242853
    Abstract: An information acquisition method includes: acquiring a specific piece of data using information for specifying a position of the specific piece of data in a document of a certain site by referring to a storage that stores therein information for specifying the position of the specific piece of data in the document of the certain site and information for specifying a position of another piece of data having a predetermined relation to the specific piece of data in the document, by a processor; and acquiring the other piece of data using the position of the other piece of data related to the specific piece of data in the document by referring to the storage, and acquiring data having the predetermined relation to the other piece of data using the acquired other piece of data, by the processor.
    Type: Application
    Filed: May 9, 2017
    Publication date: August 24, 2017
    Applicant: FUJITSU LIMITED
    Inventors: Tsuyoshi MAITA, Nobumi NORO, Tetsu TANAKA
  • Publication number: 20170200703
    Abstract: To miniaturize metal columns. A semiconductor device includes a metal column (14) that extends in a stretching direction; a polymer layer (16) that surrounds the metal column from a direction crossing the stretching direction; and a guide (12) that surrounds the polymer layer in the crossing direction so as to be spaced from the metal column with the polymer layer interposed therebetween. A method for manufacturing semiconductor devices includes a step of filling a mixture (20) containing metal particles (22) and polymers (24) in a guide (12); and a step of subjecting the mixture to a heat treatment so that the polymers agglomerate to the guide to form a polymer layer (16) that makes contact with the guide and the metal particles agglomerate away from the guide with the polymer layer interposed therebetween to form a metal column (14) that stretches in a stretching direction of the guide from the metal particles.
    Type: Application
    Filed: March 3, 2017
    Publication date: July 13, 2017
    Applicant: TOHOKU UNIVERSITY
    Inventors: Mitsumasa KOYANAGI, Tetsu TANAKA, Takafumi FUKUSHIMA, Kang-Wook LEE
  • Patent number: 9449948
    Abstract: The present invention relates to a chip support substrate including a lyophilic region 4 that is formed on the substrate and that absorbs a chip 3A, and an electrode 6 that is formed on the substrate and in the lyophilic region and that generates electrostatic force in the chip, and to a chip support method including the steps of arranging the chip onto the lyophilic region of the chip support substrate with a liquid 15, the chip support substrate comprising the lyophilic region that is formed on the substrate, and the electrode that is formed on the substrate and in the lyophilic region, and generating the electrostatic force in the chip corresponding to the electrode by applying a voltage to the electrode.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: September 20, 2016
    Assignee: TOHOKU UNIVERSITY
    Inventors: Mitsumasa Koyanagi, Tetsu Tanaka, Takafumi Fukushima
  • Publication number: 20150228622
    Abstract: The present invention relates to a chip support substrate including a lyophilic region 4 that is formed on the substrate and that absorbs a chip 3A, and an electrode 6 that is formed on the substrate and in the lyophilic region and that generates electrostatic force in the chip, and to a chip support method including the steps of arranging the chip onto the lyophilic region of the chip support substrate with a liquid 15, the chip support substrate comprising the lyophilic region that is formed on the substrate, and the electrode that is formed on the substrate and in the lyophilic region, and generating the electrostatic force in the chip corresponding to the electrode by applying a voltage to the electrode.
    Type: Application
    Filed: September 13, 2013
    Publication date: August 13, 2015
    Applicant: TOHOKU UNIVERSITY
    Inventors: Mitsumasa Koyanagi, Tetsu Tanaka, Takafumi Fukushima
  • Publication number: 20150103423
    Abstract: There is provided a drive device including a movable body, and a fixing member that supports, with a drive shaft driven by a piezoelectric element expanded and contracted in response to an applied voltage and a sub shaft provided in parallel with the drive shaft, the movable body connected with the drive shaft movably in an axial direction. The movable body includes a rotation regulating member that supports the sub shaft and regulates rotation of the movable body with the drive shaft as a rotation center, and an impact dispersing part that disperses an impact on the piezoelectric element when inclined to the drive shaft.
    Type: Application
    Filed: September 22, 2014
    Publication date: April 16, 2015
    Inventor: Tetsu TANAKA
  • Publication number: 20140293461
    Abstract: A drive device includes a moving body having a driven portion with an engagement holding portion and an insertion portion, and an element holding portion holding an optical element; a piezoelectric driver having a piezoelectric element and a drive axis that moves the moving body while being inserted into the insertion portion; and a leaf spring being inserted into the insertion portion, being held by the moving body and urging the drive axis to the driven portion in a pressing direction. In a state in which the leaf spring is inserted into the insertion portion, the leaf spring is elastically deformed in the insertion portion by inserting the drive axis which is inserted into the insertion portion, and the drive axis is pressed against the driven portion by the leaf spring, while the leaf spring is engaged with the engagement holding portion and held by the moving body.
    Type: Application
    Filed: March 17, 2014
    Publication date: October 2, 2014
    Applicant: SONY CORPORATION
    Inventors: HAJIME NAKAMURA, TOMOYA TAKEI, TOSHIAKI EDAMITSU, YUTAKA MAEDA, TSUTOMU NAITOU, TETSU TANAKA
  • Patent number: 8229539
    Abstract: A brain probe includes: a core probe made from a metal; and n electrode plates attached so as to cover an entire side surface circumference of the core probe and forming n side planes providing an n-angular cross section (n is an integer equal to or greater than 3). Each of the electrode plates is manufactured by a LSI manufacturing process, and provided with at least one electrode and a lead-out wiring extending in a longitudinal direction of a side plane from each of the at least one electrode.
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: July 24, 2012
    Assignees: Tohoku-Microtec Co., Ltd., Tohoku University
    Inventors: Makoto Motoyoshi, Mitsumasa Koyanagi, Hajime Mushiake, Tetsu Tanaka, Norihiro Katayama
  • Patent number: 7826541
    Abstract: A wireless relay system for relaying a radio signal transmitted from a first wireless station to a second wireless station via a wireless relay apparatus is disclosed. The wireless relay system includes a relay control part for receiving transmission symbols transmitted from the first wireless station and refraining from relaying a portion of the symbols, a pilot signal transmission part for transmitting a pilot signal that is inserted into a section of the portion of the transmission symbols, a coupling loop interference wave estimation part for receiving the pilot signal and estimating a coupling loop interference wave based on the pilot signal, and a coupling loop interference wave cancellation part for subtracting the estimated coupling loop interference wave from a reception signal.
    Type: Grant
    Filed: February 18, 2005
    Date of Patent: November 2, 2010
    Assignee: NTT DoCoMo, Inc.
    Inventors: Hiromasa Fujii, Hirohito Suda, Tetsu Tanaka
  • Patent number: 7671417
    Abstract: A memory cell array includes isolated semiconductor regions formed on a supporting insulating substrate, memory cells formed in the respective semiconductor regions, and insulating regions formed so as to insulate the memory cells. Each memory cell formed in a semiconductor region includes a source region, a drain region, a front gate region formed on a gate insulating film formed on one of side surfaces of the semiconductor region such that the source region and the drain region are separated from each other by the front gate region, and a back gate region formed on a gate insulating film formed on an opposite side surface of the semiconductor region such that the source region and the drain region are separated from each other by the back gate region. Each memory cell shares the back gate region with a memory cell adjacent in a row direction.
    Type: Grant
    Filed: August 17, 2007
    Date of Patent: March 2, 2010
    Assignee: Fujitsu Microelectronics Limited
    Inventors: Eiji Yoshida, Tetsu Tanaka, Toshihiko Miyashita
  • Patent number: 7606531
    Abstract: A repeating station, a communication apparatus, and an antenna directivity control method are disclosed. The repeating station includes a first antenna group including at least one antenna element, a second antenna group that is different from the first antenna group, the second antenna group including two or more antenna elements adjusted so that radiation in the direction of the first antenna group is reduced, wherein the second antenna group is adjusted such that radiated power in the direction of the first antenna group is reduced.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: October 20, 2009
    Assignee: NTT DoCoMo, Inc.
    Inventors: Takahiro Asai, Tatsuo Furuno, Tetsu Tanaka, Hirohito Suda
  • Patent number: 7463673
    Abstract: A radio relay system is disclosed that is capable of preventing communication degradation in a case where radio signals are relayed using the same frequency band in a mobile communication environment. The radio relay system includes a first radio station, a second radio station, and a radio relay apparatus for relaying a radio signal that is exchanged between the first radio station and the second radio station. The radio relay apparatus includes a phase correction determining unit that determines a phase correction amount of the relayed signal based on channel information pertaining to channels established between the first radio station, the second radio station, and the radio relay apparatus, and a phase correction unit that corrects the relayed signal based on the phase correction amount determined by the phase correction determining unit.
    Type: Grant
    Filed: February 15, 2005
    Date of Patent: December 9, 2008
    Assignee: NTT DoCoMo, Inc.
    Inventors: Hiromasa Fujii, Hirohito Suda, Tetsu Tanaka
  • Patent number: 7430397
    Abstract: A radio repeater including at least first and second relay systems, each including a reception antenna configured to receive a radio signal, a loop interference suppressor, connected to the reception antenna, configured to suppress a loop interference signal in the received radio signal from said reception antenna, an amplifier configured to amplify the loop interference-suppressed radio signal from the loop interference suppressors, and a transmission antenna having a polarization characteristic, which is orthogonal to a polarization characteristic of said reception antenna, configured to transmit the output of said amplifier.
    Type: Grant
    Filed: November 17, 2004
    Date of Patent: September 30, 2008
    Assignee: NTT DoCoMo, Inc.
    Inventors: Hirohito Suda, Takahiro Asai, Hiromasa Fujii, Tetsu Tanaka
  • Patent number: 7345982
    Abstract: An optical pickup device is provided which includes a double-wavelength objective lens (34) that collects a light beam selectively emitted from a light-emitting/-detecting element (31) that selectively emits a plurality of light beams different in wavelength from each other, and also return light from an optical disk (2), a first diffraction grating (45) that splits the light beam emitted from a light-emitting/-detecting element (31) into three beams including a zero-order light beam and positive and negative first-order light beams, a second diffraction grating (46) that diffracts the return light for traveling along a light path separate from that of the outgoing light, and a third diffraction grating (47) that corrects a light-path deviation by diffracting the positive first-order light beam diffracted by the second diffraction grating (46).
    Type: Grant
    Filed: November 19, 2002
    Date of Patent: March 18, 2008
    Assignee: Sony Corporation
    Inventors: Norio Fukasawa, Junichi Suzuki, Kiyoshi Toyota, Tetsu Tanaka, Satoru Ishii, Takeshi Kubo, Masahiro Saito