Patents by Inventor Kazuo Fujita

Kazuo Fujita 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: 11959539
    Abstract: It is included an internal gear (2), an external gear (3) having flexibility, and a wave generator (4) that forms a meshing part (P) with the internal gear (2) in the external gear (3) and moves the meshing part (P) in a circumferential direction of the internal gear (2). The wave generator (4) is configured such that the meshing part (P) is formed at three or more positions in a circumferential direction of the external gear (3). A value (DpF/ZF) obtained by dividing a working pitch diameter DpF of the external gear (3) by the number of teeth ZF is greater than a value (DpR/ZR) obtained by dividing a working pitch diameter DpR of the internal gear (2) by the number of teeth ZR.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: April 16, 2024
    Assignee: KABUSHIKI KAISHA RIKEN
    Inventors: Satoru Fujita, Kazuo Ishizuka, Tomoki Shirasawa, Ryo Kamiyama
  • Publication number: 20240084884
    Abstract: It is included an internal gear (2), an external gear (3) having flexibility, and a wave generator (4) that forms a meshing part (P) with the internal gear (2) in the external gear (3) and moves the meshing part (P) in a circumferential direction of the internal gear (2). The wave generator (4) is configured such that the meshing part (P) is formed at three or more positions in a circumferential direction of the external gear (3). A value (DpF/ZF) obtained by dividing a working pitch diameter DpF of the external gear (3) by the number of teeth ZF is greater than a value (DpR/ZR) obtained by dividing a working pitch diameter DpR of the internal gear (2) by the number of teeth ZR.
    Type: Application
    Filed: November 18, 2021
    Publication date: March 14, 2024
    Applicant: KABUSHIKI KAISHA RIKEN
    Inventors: Satoru FUJITA, Kazuo ISHIZUKA, Tomoki SHIRASAWA, Ryo KAMIYAMA
  • Publication number: 20240003095
    Abstract: A wet sheet which is hard to be fractured during production into a molded body, stable in shape, and easy to handle in processing, and a method for producing a molded body from the wet sheet. The wet sheet includes fine cellulose fibers having an average fiber diameter of 10000 nm or smaller, and pulp, wherein the wet sheet has a water content of 60 mass % or higher, and a thickness of 0.5 mm or more and 10 mm or less. A method for producing a molded body includes applying heat and pressure to a wet sheet to obtain a molded body, wherein the wet sheet includes fine cellulose fibers having an average fiber diameter of 10000 nm or smaller, and pulp, and has a water content of 60 mass % or higher, and a thickness of 0.5 mm or more and 10 mm or less.
    Type: Application
    Filed: December 1, 2021
    Publication date: January 4, 2024
    Applicant: DAIO PAPER CORPORATION
    Inventors: Kazuto Sawada, Masashi Uno, Kazuo Fujita, Takahiro Miyoshi, Takaaki Imai
  • Patent number: 9146370
    Abstract: An optical cable holding device includes a central shaft section fixed to a substrate in such a way as to stand on the substrate, a plurality of flexible holding feet that are disposed in such a way as to spread radially from the central shaft section, each flexible holding foot extending from a base end on a side where the central shaft section is located, toward a side where the substrate is located and being bent in such a way as to get away from the central shaft section as the flexible holding foot gets closer to a tip which is a free end, and a plurality of cable holders that are disposed independently of the substrate at the tips of the flexible holding feet and hold an optical cable.
    Type: Grant
    Filed: December 27, 2013
    Date of Patent: September 29, 2015
    Assignee: FUJITSU LIMITED
    Inventors: Takashi Inoue, Kenji Tsutsumi, Junichi Hayama, Kenji Toshimitsu, Kazuo Fujita
  • Publication number: 20140226947
    Abstract: An optical cable holding device includes a central shaft section fixed to a substrate in such a way as to stand on the substrate, a plurality of flexible holding feet that are disposed in such a way as to spread radially from the central shaft section, each flexible holding foot extending from a base end on a side where the central shaft section is located, toward a side where the substrate is located and being bent in such a way as to get away from the central shaft section as the flexible holding foot gets closer to a tip which is a free end, and a plurality of cable holders that are disposed independently of the substrate at the tips of the flexible holding feet and hold an optical cable.
    Type: Application
    Filed: December 27, 2013
    Publication date: August 14, 2014
    Applicant: FUJITSU LIMITED
    Inventors: Takashi INOUE, KENJI TSUTSUMI, Junichi Hayama, KENJI TOSHIMITSU, KAZUO FUJITA
  • Patent number: 8532695
    Abstract: It is desired from the viewpoints of accessory and economy to make common use of one telephone number among a plurality of mobile telephones. A server makes an ID intrinsic to a mobile telephone and a telephone number correspond to each other thereby to relay communications between the mobile telephones made to correspond. A mobile telephone requests the server managing the telephone number and the ID of the mobile telephone from itself via the Internet, to change the correspondence between the telephone number and the mobile telephone ID. In response to this request, the server changes the correspondence between the telephone number and the mobile telephone ID.
    Type: Grant
    Filed: March 6, 2007
    Date of Patent: September 10, 2013
    Assignee: Kyocera Corporation
    Inventors: Hirokazu Suetsugu, Kazuo Fujita, Naoki Kaida
  • Patent number: 8401358
    Abstract: An attachment part includes: a base portion that has a through hole through which a lead of an optical component passes; and a plurality of holding portions that are provided in the base portion, that face each other, and that hold a chassis of the optical component.
    Type: Grant
    Filed: November 12, 2009
    Date of Patent: March 19, 2013
    Assignee: Fujitsu Limited
    Inventors: Takashi Inoue, Kazuo Fujita, Seiichiro Sato
  • Patent number: 8283593
    Abstract: A wire cleaning guide for guiding a wire in a feed direction and to clean the wire, including a gas supply nozzle for supplying plasma generating gas, a plasma generating chamber with plasma generating gas supplied from the gas supply nozzle thereto for transforming the plasma generating gas into plasma by energizing a bonding wire that passes there through to clean the wire by means of the plasma gas, and wire-feeder-side and bonding-tool-side guide holes for guiding the wire in the feed direction, the diameter of the wire-feeder-side guide hole is greater than that of the bonding-tool-side guide hole so that the outflow rate of gas after wire cleaning flowing between the wire-feeder-side guide hole and the wire is greater than that of gas after wire cleaning flowing between the bonding-tool-side guide hole and the wire.
    Type: Grant
    Filed: February 14, 2008
    Date of Patent: October 9, 2012
    Assignee: Kabushiki Kaisha Shinkawa
    Inventors: Masayuki Horino, Kazuo Fujita
  • Publication number: 20120240532
    Abstract: A filter device includes an inclining panel and a movable filter structure. The inclining panel is arranged between a first electronic device housing device and a second electronic device housing device for housing electronic device, and separates the space to the side of the first electronic device housing device and the space to the side of the second electronic device housing device. The movable filter structure circles around to surround the circumference of the inclining panel.
    Type: Application
    Filed: June 6, 2012
    Publication date: September 27, 2012
    Applicant: FUJITSU LIMITED
    Inventors: Shigeaki SAITO, Takashi Inoue, Kazuo Fujita
  • Patent number: 8025719
    Abstract: A regenerated sulfur recovery apparatus positioned in a sulfur recovery plant, which apparatus contains a sulfur purifier that cools gaseous sulfur and condensates it, forming liquid sulfur while removing impurities contained therein; the apparatus containing a steam supplying means for melting solid sulfur deposited on an inner wall of the sulfur purifier, a molten sulfur reservoir that recovers and stores the melted sulfur, a reservoir heating means that heats the reservoir, an exhaust gas line that directs to the outside an exhaust gas formed in the reservoir when the reservoir is heated by the reservoir heating means, and an inert gas supply means that supplies an inert gas to the reservoir, such that the inert gas supplied into the reservoir flows to the outside through the exhaust gas line when molten sulfur stored in the reservoir is discharged from the reservoir.
    Type: Grant
    Filed: March 24, 2009
    Date of Patent: September 27, 2011
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Yoshihisa Tokumasu, Kazuo Fujita, Fumio Kubo
  • Patent number: 7990726
    Abstract: A tray-type structure device includes a side plate, a front plate attached to a forward end of the side plate, having the functions of opening and closing, and positioned on the front side of a housing, a top plate attached to an upper end of the side plate, with a plurality of openings formed therein, and having the function of variably setting a ventilation resistance, a bottom plate attached to a lower end of the side plate, with a plurality of openings formed therein, and having the function of variably setting a ventilation resistance, and a back plate attached to a rearward end of the side plate, having the functions of opening and closing, and positioned on a side of the housing toward a backboard. The device has a tray structure having a tray-like shape formed by the front plate, top plate, bottom plate, side plate and back plate.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: August 2, 2011
    Assignee: Fujitsu Limited
    Inventors: Noboru Izuhara, Kazuo Fujita, Kouichi Kuramitsu
  • Patent number: 7972451
    Abstract: The present invention is: a pearlitic steel rail excellent in wear resistance and ductility, characterized in that, in a steel rail having pearlite structure containing, in mass, 0.65 to 1.40% C, the number of the pearlite blocks having grain sizes in the range from 1 to 15 ?m is 200 or more per 0.2 mm2 of an observation field at least in a part of the region down to a depth of 10 mm from the surface of the corners and top of the head portion; and a method for producing a pearlitic steel rail excellent in wear resistance and ductility, characterized by, in the hot rolling of said steel rail, applying finish rolling so that the temperature of the rail surface may be in the range from 850° C. to 1,000° C. and the sectional area reduction ratio at the final pass may be 6% or more, and then applying accelerated cooling to the head portion of said rail at a cooling rate in the range from 1 to 30° C./sec. from the austenite temperature range to at least 550° C.
    Type: Grant
    Filed: July 19, 2007
    Date of Patent: July 5, 2011
    Assignee: Nippon Steel Corporation
    Inventors: Masaharu Ueda, Koichiro Matsushita, Kazuo Fujita, Katsuya Iwano, Koichi Uchino, Takashi Morohoshi, Akira Kobayashi
  • Patent number: 7893383
    Abstract: A wire bonding apparatus for manufacturing, for instance, semiconductor devices, including a cleaning case in which a microplasma generating section comprised of a plasma torch, which has a plasma nozzle 38 at the end, and capacitive coupling electrodes composed of an outer electrode and an inner electrode is fixed to the bottom of the cleaning case. The plasma nozzle is provided such that its center line is in alignment with the longitudinal center line of the capillary. Microplasma is ejected from below the capillary to clean its tip within the cleaning case. A shutter is provided on the top of the cleaning case and the wasted gas produced as a result of cleaning is exhausted out of the cleaning case through an exhaustion port of the cleaning case.
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: February 22, 2011
    Assignee: Kabushiki Kaisha Shinkawa
    Inventor: Kazuo Fujita
  • Patent number: 7828917
    Abstract: A rail manufacturing method is provided, in which a billet is hot-rolled into a rail form and the rail is cooled to ambient temperature. The foot part of the rail can be mechanically restrained to improve the straightness of the rail during at least the period of cooling where the surface temperature is between 800° C. and 400° C. In the subsequent cooling process, at least while the surface temperature of the foot of the rail is between 400° C. and 250° C., the rail is kept in an upright state, and cooled naturally without using insulation or accelerated cooling.
    Type: Grant
    Filed: January 7, 2005
    Date of Patent: November 9, 2010
    Assignee: Nippon Steel Corporation
    Inventors: Noriaki Onodera, Takuya Satoh, Masaharu Ueda, Kazuo Fujita, Akira Kobayashi
  • Publication number: 20100129041
    Abstract: An attachment part includes: a base portion that has a through hole through which a lead of an optical component passes; and a plurality of holding portions that are provided in the base portion, that face each other, and that hold a chassis of the optical component.
    Type: Application
    Filed: November 12, 2009
    Publication date: May 27, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Takashi Inoue, Kazuo Fujita, Seiichiro Sato
  • Publication number: 20100118489
    Abstract: A tray-type structure device includes a side plate, a front plate attached to a forward end of the side plate, having the functions of opening and closing, and positioned on the front side of a housing, a top plate attached to an upper end of the side plate, with a plurality of openings formed therein, and having the function of variably setting a ventilation resistance, a bottom plate attached to a lower end of the side plate, with a plurality of openings formed therein, and having the function of variably setting a ventilation resistance, and a back plate attached to a rearward end of the side plate, having the functions of opening and closing, and positioned on a side of the housing toward a backboard. The device has a tray structure having a tray-like shape formed by the front plate, top plate, bottom plate, side plate and back plate.
    Type: Application
    Filed: December 23, 2009
    Publication date: May 13, 2010
    Applicant: FUJITSU LIMITED
    Inventors: Noboru Izuhara, Kazuo Fujita, Kouichi Kuramitsu
  • Patent number: 7709929
    Abstract: A disclosed capacitor sheet attached to an electronic apparatus comprises: a laminated body; a first penetration electrode penetrating the laminated body, the first penetration electrode being electrically connected to a terminal electrode of the electronic apparatus; a second penetration electrode disposed at an arrangement position different from that of the first penetration electrode on the laminated body, the second penetration electrode being electrically insulated from the first penetration electrode and penetrating the laminated body; at least one first conductor thin film electrically connected to the first penetration electrode and insulated from the second penetration electrode; and at least one second conductor thin film disposed so as to face the first conductor thin film via a dielectric layer, the second conductor thin film being electrically connected to the second penetration electrode and insulated from the first penetration electrode.
    Type: Grant
    Filed: August 9, 2006
    Date of Patent: May 4, 2010
    Assignee: Fujitsu Limited
    Inventors: Kouichi Kuramitsu, Kazuo Fujita, Noboru Izuhara
  • Publication number: 20100094049
    Abstract: A method is provided of using a suitable material for an apparatus used in solid-liquid separation of a residue containing an inorganic salt, left to remain in an organic phase containing 2-hydroxy-4-methylthiobutanoic acid, the material being an alloy containing 21.0 to 30.0% by weight of a Cr element, 2.5 to 11.0% by weight of a Ni element, 1.0 to 5.0% by weight of a Mo element and a Fe element as the rest.
    Type: Application
    Filed: October 9, 2009
    Publication date: April 15, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kazuo FUJITA, Kozo ONISHI, Yoshiyuki KOIZUMI
  • Publication number: 20100094043
    Abstract: A highly impact-resistant and corrosion-resistant material is used for an apparatus for use in hydrolysis of 2-hydroxy-4-methylthiobutanamide to obtain 2-hydroxy-4-methylthiobutanoic acid, said material being readily fabricated for an apparatus with a complicated structure and being an alloy which contains 16.0 to 22.0% by weight of a Cr element, 16.0 to 22.0% by weight of a Mo element, 1.0 to 2.5% by weight of a Ta element and a Ni element as the rest, an alloy which contains 26.0 to 32.0% by weight of a Mo element and a Ni element as the rest, or an alloy which contains 0.12 to 0.25% by weight of a Pd element and a Ti element as the rest.
    Type: Application
    Filed: October 9, 2009
    Publication date: April 15, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kazuo FUJITA, Kozo ONISHI
  • Publication number: 20100094050
    Abstract: A method is provided of using a highly impact-resistant and corrosion-resistant alloy material for an apparatus for use in hydration of 2-hydroxy-4-methylthiobutanenitrile to obtain 2-hydroxy-4-methylthiobutanamide, the material being readily fabricated for an apparatus with a complicated structure and being composed of an alloy which contains 16.0 to 22.0% by weight of a Cr element, 16.0 to 22.0% by weight of a Mo element, 1.0 to 2.5% by weight of a Ta element and a Ni element as the rest, or an alloy which contains 26.0 to 32.0% by weight of a Mo element and a Ni element as the rest.
    Type: Application
    Filed: October 9, 2009
    Publication date: April 15, 2010
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Kazuo FUJITA, Kozo ONISHI