Patents by Inventor Toshifumi Takahashi

Toshifumi Takahashi 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: 11966669
    Abstract: A molten metal component estimation device including: an input device configured to receive measurement information about a refining facility including measurement results regarding an optical characteristic; a model database that stores model expressions and model parameters, regarding a blowing process reaction, including a model expression and model parameters representing a relation between the oxygen efficiency in decarburization and a carbon concentration in a molten metal in the refining facility; and a processor configured to: estimate component concentrations of the molten metal including the carbon concentration in the molten metal by using the measurement information, the model expressions and the model parameters; estimate the carbon concentration in the molten metal based on the measurement results; and determine the model expression and the model parameters to be used when estimating the component concentrations of the molten metal, based on the estimation result of the carbon concentration in t
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: April 23, 2024
    Assignee: JFE STEEL CORPORATION
    Inventors: Hiroto Kase, Shinji Tomiyama, Yukio Takahashi, Shota Amano, Toshifumi Kodama
  • Publication number: 20240092133
    Abstract: The present invention provides a mobile robot that can simultaneously absorb an impact received from an uneven road surface while moving and estimate the position or orientation of the mobile robot while functioning. The mobile robot according to the present invention has an operation mechanism having a multi-jointed arm, and a movement mechanism that causes the operation mechanism to move, the mobile robot being characterized in that: the movement mechanism has a first support part and a second support part, which support the weight of the movement mechanism; and the second support part is installed at a position that is nearer to an outer peripheral section, in terms of the movement direction of the movement mechanism, than is the installation position of the first support part.
    Type: Application
    Filed: February 18, 2021
    Publication date: March 21, 2024
    Inventors: Toshifumi MITSUYAMA, Yoshiki KANAI, Toru SHIBATA, Yuuko OKADA, Hiroki TAKAHASHI, Tomohiro INOUE
  • Publication number: 20240097508
    Abstract: A rotary electric machine (1000) including: a rotor (200); a stator (100) surrounding a periphery of the rotor (200); a first recessed portion (133) disposed in an inner circumferential surface of a back yoke (130) of the stator (100), and extending in an axial direction of the stator (100); and a tooth (120) having one end fitted in the first recessed portion (133), a clearance formed between the first recessed portion (133) and the one end of the tooth (120) fitted in the first recessed portion (133) being smaller in a circumferential direction of the stator (100) than in a radial direction of the stator (100).
    Type: Application
    Filed: November 24, 2021
    Publication date: March 21, 2024
    Inventors: Hirooki TOKOI, Mizuki NAKAHARA, Toshifumi SUZUKI, Masaru AMAIKE, Shuuichi TAKAHASHI, Yasuei YONEOKA, Toru SAKAI
  • Publication number: 20220016789
    Abstract: A tool stocker for holding a tool is equipped with a stocker-inclining member that inclines the tool stocker and also equipped with a mechanism that adjusts an attaching/detaching position at which an interchangeable tool is attached to and detached from a robot arm. The attaching/detaching position can be adjusted by using the tool stocker so as to fit moving paths of the robot arm appropriately.
    Type: Application
    Filed: October 1, 2021
    Publication date: January 20, 2022
    Inventors: Hidetada Asano, Naonori Kayama, Yoshiyuki Miyazaki, Toshifumi Takahashi, Hiroki Kanai, Naoto Fukuda
  • Publication number: 20190111575
    Abstract: A tool stocker for holding a tool is equipped with a stocker-inclining member that inclines the tool stocker and also equipped with a mechanism that adjusts an attaching/detaching position at which an interchangeable tool is attached to and detached from a robot arm. The attaching/detaching position can be adjusted by using the tool stocker so as to fit moving paths of the robot arm appropriately.
    Type: Application
    Filed: October 15, 2018
    Publication date: April 18, 2019
    Inventors: Hidetada Asano, Naonori Kayama, Yoshiyuki Miyazaki, Toshifumi Takahashi, Hiroki Kanai, Naoto Fukuda
  • Patent number: 9637722
    Abstract: A polyurethane porous membrane is produced by a simple method to be used for at least one of applications of cell culture and cancer cell growth inhibition. The production method of the polyurethane porous membrane to be used for at least one of the applications of cell culture and cancer cell growth inhibition comprises: a first step of forming a layer of a polyurethane material which is uncured, on a substrate; and a second step of supplying water vapor to an exposed surface of the layer of the polyurethane material formed on the substrate, which is away from the substrate, so as to cure the polyurethane material and provide the layer of the polyurethane material with a porous structure having a plurality of irregularities on the exposed surface.
    Type: Grant
    Filed: July 1, 2014
    Date of Patent: May 2, 2017
    Assignees: TOYODA GOSEI CO., LTD., National University Corporation Yamagata University
    Inventors: Seitaro Taki, Hisashi Mizuno, Hiroyuki Nakagawa, Toshiyuki Hagiyama, Atsuki Yoshimura, Masaru Tanaka, Ayano Sasaki, Toshifumi Takahashi, Tsuyoshi Ohta
  • Patent number: 9021919
    Abstract: A strain wave gear apparatus includes a rigid internal gear, a flexible external gear, and a wave generator. The wave generator includes an input shaft fixing member including eccentric cams, bearings respectively fixed to outer sides of the eccentric cams, and housings respectively fitted to outer peripheral surfaces of the bearings. The eccentric cams are arranged side by side in a direction of an inclined axis inclined with respect to an input rotation axis at an inclination angle (?) in a manner that respective center axes of the eccentric cams are parallel to the inclined axis and decentered in directions opposite to each other from the inclined axis. The housings are each formed into a tapered shape so that an outer peripheral surface of each of the housings is held in surface contact with an inner peripheral surface of the flexible external gear.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: May 5, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Toshifumi Takahashi, Masaichi Sato, Isamu Okuma
  • Publication number: 20150017725
    Abstract: A polyurethane porous membrane is produced by a simple method to be used for at least one of applications of cell culture and cancer cell growth inhibition. The production method of the polyurethane porous membrane to be used for at least one of the applications of cell culture and cancer cell growth inhibition comprises: a first step of forming a layer of a polyurethane material which is uncured, on a substrate; and a second step of supplying water vapor to an exposed surface of the layer of the polyurethane material formed on the substrate, which is away from the substrate, so as to cure the polyurethane material and provide the layer of the polyurethane material with a porous structure having a plurality of irregularities on the exposed surface.
    Type: Application
    Filed: July 1, 2014
    Publication date: January 15, 2015
    Inventors: Seitaro TAKI, Hisashi MIZUNO, Hiroyuki NAKAGAWA, Toshiyuki HAGIYAMA, Atsuki YOSHIMURA, Masaru TANAKA, Ayano SASAKI, Toshifumi TAKAHASHI, Tsuyoshi OHTA
  • Patent number: 8568870
    Abstract: A building material and a method for coating a substrate for the building material with a coating film having a variety of functions relating to an environment such as mildew resistance, deodorization, antibacterial activity and air purification in addition to the anti-staining effect by having an excellent hydrophilicity. The method for coating the substrate for a building material comprises the steps of; coating a coating material comprising a hydrophilic polymer and a photocatalyst on the substrate, and drying the coating material to form a coating film containing the photocatalyst, wherein the hydrophilic polymer is at least one selected from the group consisting of methyl silicate, liquid glass, colloidal silica, poly(meth)acrylate, and polytetrafluoroethylene graft-polymerized with sulfonic acid, and the photocatalyst is at least one selected from the group consisting of titanium oxide coated with zeolite, titanium oxide coated silica and titanium oxide coated with apatite.
    Type: Grant
    Filed: November 21, 2008
    Date of Patent: October 29, 2013
    Assignee: Nichiha Corporation
    Inventors: Toshio Imai, Toshifumi Takahashi, Yoshinori Hibino
  • Patent number: 8546851
    Abstract: In addition to a memory macro region and functional circuit regions on a substrate, a semiconductor integrated circuit device includes a dummy pattern region 40 arranged between the functional circuit regions and between the memory macro region 10 and the functional circuit regions and including a dummy pattern. The dummy pattern has a pattern identical to that of diffusion layers and gate electrodes of a memory cell pattern in a memory cell array region. An area ratio of dummy diffusion layer(s) and dummy gate electrode(s) in the dummy pattern region is equal to or greater than that of the diffusion layers and the gate electrode(s) in the memory cell array region.
    Type: Grant
    Filed: June 1, 2011
    Date of Patent: October 1, 2013
    Assignee: Renesas Electronics Corporation
    Inventors: Hiroshi Furuta, Takaaki Kobayashi, Hirofumi Azuhata, Tomoya Morita, Ryuichi Okamura, Toshifumi Takahashi
  • Publication number: 20130247716
    Abstract: A strain wave gear apparatus includes a rigid internal gear, a flexible external gear, and a wave generator. The wave generator includes an input shaft fixing member including eccentric cams, bearings respectively fixed to outer sides of the eccentric cams, and housings respectively fitted to outer peripheral surfaces of the bearings. The eccentric cams are arranged side by side in a direction of an inclined axis inclined with respect to an input rotation axis at an inclination angle (?) in a manner that respective center axes of the eccentric cams are parallel to the inclined axis and decentered in directions opposite to each other from the inclined axis. The housings are each formed into a tapered shape so that an outer peripheral surface of each of the housings is held in surface contact with an inner peripheral surface of the flexible external gear.
    Type: Application
    Filed: March 8, 2013
    Publication date: September 26, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Toshifumi Takahashi, Masaichi Sato, Isamu Okuma
  • Publication number: 20110316052
    Abstract: In addition to a memory macro region and functional circuit regions on a substrate, a semiconductor integrated circuit device includes a dummy pattern region 40 arranged between the functional circuit regions and between the memory macro region 10 and the functional circuit regions and including a dummy pattern. The dummy pattern has a pattern identical to that of diffusion layers and gate electrodes of a memory cell pattern in a memory cell array region. An area ratio of dummy diffusion layer(s) and dummy gate electrode(s) in the dummy pattern region is equal to or greater than that of the diffusion layers and the gate electrode(s) in the memory cell array region.
    Type: Application
    Filed: June 1, 2011
    Publication date: December 29, 2011
    Applicant: RENESAS ELECTRONICS CORPORATION
    Inventors: Hiroshi FURUTA, Takaaki KOBAYASHI, Hirofumi AZUHATA, Tomoya MORITA, Ryuichi OKAMURA, Toshifumi TAKAHASHI
  • Patent number: 8030142
    Abstract: A semiconductor device according to an embodiment of the present invention includes: a first region having patterns formed based on grid points as intersections of grid lines; and a second region including a plurality of layout cells an outer edge of which is defined by the grid points, the layout cells having patterns formed based on a wiring rule with patterns connected to patterns of the first region among the patterns being formed based on the grid points at a boundary with the first region.
    Type: Grant
    Filed: May 16, 2007
    Date of Patent: October 4, 2011
    Assignee: Renesas Electronics Corporation
    Inventor: Toshifumi Takahashi
  • Patent number: 7868359
    Abstract: In a semiconductor device including multiple unit cells arranged in an array, transistors are affected by a stress from an STI at different degrees depending on the position in the array. As a result, a variation occurs in transistor characteristic. In a semiconductor device according to the present invention, each of predetermined transistors in outermost unit blocks in the array has a transistor size according to the stress from the STI.
    Type: Grant
    Filed: February 15, 2008
    Date of Patent: January 11, 2011
    Assignee: Renesas Electronics Corporation
    Inventor: Toshifumi Takahashi
  • Publication number: 20100320570
    Abstract: The present invention includes a memory cell area that includes a plurality of transistors, and a core area that is arranged adjacent to the memory cell area. The memory cell area and the core area include a semiconductor layer, and an n-type well region and a first p-type well region formed above the semiconductor layer. The memory cell area further includes a second p-type well region formed under the n-type well region and the first p-type well region in the semiconductor layer. The second p-type well region contacts to at least the first p-type well region.
    Type: Application
    Filed: May 6, 2010
    Publication date: December 23, 2010
    Inventors: Hideyuki Nakamura, Toshifumi Takahashi, Yuji Ikeda, Sumito Minagawa
  • Patent number: 7763516
    Abstract: A manufacturing method of semiconductor device includes: forming a nitride film above a silicon substrate including a first region and a second region which respectively correspond to an outside of a memory cell region and the memory cell region; forming trenches reaching from the nitride film to the silicon substrate; retreating the nitride film such that widths of the trenches at the nitride film become wider; forming a buried oxide film to be buried in the trenches after the retreating; polishing the buried oxide film with the nitride film being used as a stopper; removing the nitride film after the polishing; implanting impurity after the removing; forming gate electrodes after the implanting; and implanting impurity after the forming the gate electrodes.
    Type: Grant
    Filed: October 3, 2008
    Date of Patent: July 27, 2010
    Assignee: NEC Electronics Corporation
    Inventor: Toshifumi Takahashi
  • Patent number: 7719879
    Abstract: A semiconductor integrated circuit includes a word line extending along a first direction, a first and a second N-well regions, a P-well region disposed between the first and the second N-well regions, a memory cell having a first, second, third, and fourth PMOS transistors, and a first and second NMOS transistors, the first and the second PMOS transistors disposed in the first N-well region along a second direction which is different from the first direction, the first and the second NMOS transistors disposed in the P-well region, and the third and the fourth PMOS transistors disposed in the second N-well region along the second direction.
    Type: Grant
    Filed: March 23, 2006
    Date of Patent: May 18, 2010
    Assignee: NEC Electronics Corporation
    Inventors: Muneaki Matsushige, Hiroyuki Satake, Hiroshi Furuta, Toshifumi Takahashi, Hideyuki Nakamura
  • Patent number: 7610355
    Abstract: To transfer web contents to a web server from a computer through a network, a plurality of files composing the web contents are stored in the computer. A processor of the computer then detects files to be transferred from the plurality of files to create a transfer file list table. A transfer priority of the files to be transferred is determined by the processor on the basis of reference relation data of the files to be transferred which are designated in the transfer file list table and file format data of the plurality of files to create a transfer priority list table for the files to be transferred. The files to be transferred are transferred to the web server from a communication controller of the computer through the network by the processor in order of the transfer priority set in the transfer priority list table.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: October 27, 2009
    Assignee: International Business Machines Corporation
    Inventors: Shigeo Azuma, Takashi Takahashi, Toshifumi Takahashi
  • Publication number: 20090142604
    Abstract: A building material and a method for coating a substrate for the building material with a coating film having a variety of functions relating to an environment such as mildew resistance, deodorization, antibacterial activity and air purification in addition to the anti-staining effect by having an excellent hydrophilicity. The method for coating the substrate for a building material comprises the steps of; coating a coating material comprising a hydrophilic polymer and a photocatalyst on the substrate, and drying the coating material to form a coating film containing the photocatalyst, wherein the hydrophilic polymer is at least one selected from the group consisting of methyl silicate, liquid glass, colloidal silica, poly(meth)acrylate, and polytetrafluoroethylene graft-polymerized with sulfonic acid, and the photocatalyst is at least one selected from the group consisting of titanium oxide coated with zeolite, titanium oxide coated silica and titanium oxide coated with apatite.
    Type: Application
    Filed: November 21, 2008
    Publication date: June 4, 2009
    Applicant: NICHIHA CORPORATION
    Inventors: Toshio Imai, Toshifumi Takahashi, Yoshinori Hibino
  • Publication number: 20090093098
    Abstract: A manufacturing method of semiconductor device includes: forming a nitride film above a silicon substrate including a first region and a second region which respectively correspond to an outside of a memory cell region and the memory cell region; forming trenches reaching from the nitride film to the silicon substrate; retreating the nitride film such that widths of the trenches at the nitride film become wider; forming a buried oxide film to be buried in the trenches after the retreating; polishing the buried oxide film with the nitride film being used as a stopper; removing the nitride film after the polishing; implanting impurity after the removing; forming gate electrodes after the implanting; and implanting impurity after the forming the gate electrodes.
    Type: Application
    Filed: October 3, 2008
    Publication date: April 9, 2009
    Inventor: Toshifumi Takahashi