Patents by Inventor Keiichi Ikeda

Keiichi Ikeda 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: 11986839
    Abstract: An electrostatic separator separates conductive particles from raw materials includes: a container with a raw material layer; a gas dispersion plate at the bottom of the raw material layer; at least one vibrating body in the raw material layer flush with the gas dispersion plate or above it; a fluidization gas supplier introduced from the container bottom into the raw material layer flows upward through the gas dispersion plate; an upper electrode above the raw material layer; a lower electrode in the raw material layer, the lower electrode being flush with the gas dispersion plate or above it; a power supply applies a voltage between the upper and lower electrode wherein one becomes a negative electrode, the other becomes a positive electrode, and an electric field is generated between them; and a capturer captures conductive particles that have flown out of the raw material layer surface toward the upper electrode.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: May 21, 2024
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takayuki Ihara, Koki Ikeda, Naoya Ogiyama, Yusuke Iida, Manabu Masamoto, Koji Fukumoto, Gen Kiyotaki, Keiichi Mashio, Tomoyuki Suzuki, Ryoma Yamamoto
  • Patent number: 11944983
    Abstract: An electrostatic separation method includes: applying voltage between a lower electrode at a bottom portion of or in the raw material layer and an upper electrode above the raw material layer, generating an electric field between electrodes; fluidizing the raw material layer and bringing conductive particles and the lower electrode into contact in the raw material layer charging only the conductive particles wherein their polarity becomes the same as the lower electrode; generating polarity, the same as the upper electrode, by dielectric polarization on a conveyor belt downward-facing conveyance surface passing through a capture region above the raw material layer and under the upper electrode, the conveyance surface including a nonconductor; separates charged conductive particles from the raw material layer surface by electrostatic force and adhering conductive particles to the conveyor belt conveyance surface; and separating and collecting the particles from the conveyance surface that moved outside the ele
    Type: Grant
    Filed: October 19, 2021
    Date of Patent: April 2, 2024
    Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Takayuki Ihara, Koki Ikeda, Naoya Ogiyama, Yusuke Iida, Manabu Masamoto, Koji Fukumoto, Gen Kiyotaki, Keiichi Mashio, Tomoyuki Suzuki, Ryoma Yamamoto
  • Publication number: 20210129083
    Abstract: An object of the present invention is to provide a filtration apparatus capable of achieving space-saving of the entire apparatus. A filtration apparatus according to the present invention includes a plurality of filtration modules that each include a plurality of hollow fiber membranes that are arranged adjacent to each other so as to extend in an up-down direction, a washing module configured to supply air bubbles from below the plurality of filtration modules, and a frame that supports the plurality of filtration modules. The washing module includes a plurality of aeration tubes each having a plurality of aeration holes. At least a portion of the frame is a hollow tube through which a gas is supplied to the plurality of aeration tubes.
    Type: Application
    Filed: January 13, 2017
    Publication date: May 6, 2021
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hiroko MIKI, Keiichi IKEDA, Toru MORITA
  • Patent number: 10730988
    Abstract: Modified polyolefin particles are obtained by grafting a monomer having an ethylenically unsaturated group and a polar functional group in the same molecule to a polymer including one, or two or more specific ?-olefins and having a specific melting point, the modified polyolefin particles satisfying the following requirements (1) to (3): (1) the amount of grafting x by the monomer is not less than 0.5 wt % and not more than 20 wt %; (2) the x (wt %) and the intrinsic viscosity [?] (dl/g) measured in decalin at 135° C. satisfy the relation: log10[?]?0.1?0.15x; and (3) the particles have a gel content of less than 1 wt %.
    Type: Grant
    Filed: September 11, 2015
    Date of Patent: August 4, 2020
    Assignee: MITSUI CHEMICALS, INC.
    Inventors: Ryohei Shiga, Keiichi Ikeda, Kazuto Sugiyama, Takeharu Isaki, Masayoshi Aoki
  • Publication number: 20200094191
    Abstract: A filtration apparatus according to an aspect of the present invention includes a plurality of filtration modules each including a plurality of hollow fiber membranes aligned so as to extend in an up-and-down direction, a bar-like upper holding member configured to secure upper ends of the hollow fiber membranes, and a bar-like lower holding member configured to secure lower ends of the hollow fiber membranes; a cleaning module configured to supply bubbles from below the filtration modules; a frame including a plurality of vertical frame members disposed to extend in the up-and-down direction and a plurality of lateral frame members disposed to extend in lateral directions, the frame being configured to hold the filtration modules and the cleaning module; and a plurality of lower guide rails configured to engage with the lower holding members and disposed between opposite faces of the lateral frame members, wherein at least part of the cleaning module is suspended from the frame.
    Type: Application
    Filed: June 19, 2017
    Publication date: March 26, 2020
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Hiroko MIKI, Keiichi IKEDA, Toru MORITA
  • Patent number: 10239020
    Abstract: A water treatment system according to an embodiment of the present invention includes a tank that stores water to be treated, a crossflow filtration membrane module that filters the water to be treated, a supply passage through which the water to be treated is supplied from the tank to the filtration membrane module by using a supply pump, and a recirculation passage through which the water to be treated, the water having passed through a membrane upstream side of the filtration membrane module, is recirculated to the tank. The tank has an upper space above a liquid surface of the stored water to be treated, the upper space being hermetically filled with an inert gas. The water treatment system further includes a gas transport passage through which the inert gas is introduced from the upper space into the supply passage or the filtration membrane module, and a compressor that is disposed in the gas transport passage and that pressurizes the inert gas. The compressor is preferably a water-sealed compressor.
    Type: Grant
    Filed: January 9, 2016
    Date of Patent: March 26, 2019
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Keiichi Ikeda, Hideki Kashihara
  • Publication number: 20180195023
    Abstract: A mineral-oil cleaning composition contains a compound A, serving as a surfactant, represented by formula (1) below, a compound B, serving as a surfactant, represented by formula (2) below, and water. The mineral-oil cleaning composition has a ratio of a content S1 of the compound A to a sum of the content S1 of the compound A and a content S2 of the compound B (S1/(S1+S2)) of from 0.35 to 0.85 and has a pH of more than 8.0. In formula (1) below, R1 is an alkyl group of from 12 to 14 carbon atoms; R2 and R3 are each independently a hydrogen atom or an alkyl group of from 1 to 3 carbon atoms; and an arrow between nitrogen and oxygen atoms represents a coordination bond. In formula (2), R4 is an alkyl group of from 12 to 14 carbon atoms.
    Type: Application
    Filed: June 7, 2016
    Publication date: July 12, 2018
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventor: Keiichi IKEDA
  • Publication number: 20180029907
    Abstract: A water treatment method according to the present invention is a water treatment method in which oil is membrane-separated from water to be treated containing the oil and ferrous ions, the water treatment method including an oxidation step of oxidizing the ferrous ions in the water to be treated, and a filtration step of membrane-filtering the water to be treated after the oxidation step. In the oxidation step, a pH of the water to be treated is adjusted to 6 to 9, and an oxidation-reduction potential of the water to be treated is adjusted to 450 to 750 mV.
    Type: Application
    Filed: November 10, 2016
    Publication date: February 1, 2018
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Keiichi IKEDA, Kiyoshi IDA, Toru MORITA
  • Publication number: 20180028980
    Abstract: A water treatment system according to an embodiment of the present invention includes a tank that stores water to be treated, a crossflow filtration membrane module that filters the water to be treated, a supply passage through which the water to be treated is supplied from the tank to the filtration membrane module by using a supply pump, and a recirculation passage through which the water to be treated, the water having passed through a membrane upstream side of the filtration membrane module, is recirculated to the tank. The tank has an upper space above a liquid surface of the stored water to be treated, the upper space being hermetically filled with an inert gas. The water treatment system further includes a gas transport passage through which the inert gas is introduced from the upper space into the supply passage or the filtration membrane module, and a compressor that is disposed in the gas transport passage and that pressurizes the inert gas. The compressor is preferably a water-sealed compressor.
    Type: Application
    Filed: January 9, 2016
    Publication date: February 1, 2018
    Applicant: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Keiichi IKEDA, Hideki KASHIHARA
  • Publication number: 20170283539
    Abstract: An object of the invention is to provide modified polyolefin particles which have a satisfactory amount of grafting and a sufficient molecular weight, are substantially free from gels, and exhibit excellent handleability and workability when shaped or mixed with various resins. The particles include a modified polyolefin obtained by grafting a monomer having an ethylenically unsaturated group and a polar functional group in the same molecule to a polymer including one, or two or more ?-olefins selected from C2-18 ?-olefins and having a melting point of not less than 50° C. and less than 250° C., the modified polyolefin particles satisfying the following requirements (1) to (3): (1) the amount of grafting x by the monomer having an ethylenically unsaturated group and a polar functional group in the same molecule is not less than 0.5 wt % and not more than 20 wt %; (2) the amount of grafting x (wt %) and the intrinsic viscosity [i](dl/g) measured in decalin at 135° C. satisfy the relation: log10[?]?0.1?0.
    Type: Application
    Filed: September 11, 2015
    Publication date: October 5, 2017
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Ryohei SHIGA, Keiichi IKEDA, Kazuto SUGIYAMA, Takeharu ISAKI, Masayoshi AOKI
  • Publication number: 20140165205
    Abstract: An information generating unit generates identification information for an equipment based on environment information of the equipment. A search-result transmitting unit searches, when an information output request for equipment information generated based on the identification information is received, a database for the equipment information corresponding to the identification information, and transmits a search result as information indicating whether the equipment is allowed to receive a service.
    Type: Application
    Filed: February 17, 2014
    Publication date: June 12, 2014
    Applicant: Fujtsu Limited
    Inventors: Keiichi Ikeda, Seigo Kotani
  • Publication number: 20140124441
    Abstract: In a method for cleaning a separation membrane module in which filtration is performed through a separation membrane after mixing and stirring raw water containing particles having hardness higher than that of the separation membrane with an inorganic flocculant, (a) water on a membrane primary side in the separation membrane module is discharged outside the system after completion of the filtration; then (b) the membrane primary side in the separation membrane module is filled with water containing a chelating agent for a certain period of time; subsequently (c) the water containing the chelating agent on the membrane primary side in the separation membrane module is discharged outside the system; and then (d) backwashing discharge water in the separation membrane module is discharged while performing backwashing in which backwashing water is transferred from a membrane secondary side to the membrane primary side of the separation membrane module.
    Type: Application
    Filed: May 9, 2012
    Publication date: May 8, 2014
    Applicant: TORAY INDUSTRIES, INC.
    Inventor: Keiichi Ikeda
  • Patent number: 8681642
    Abstract: An information generating unit generates identification information for an equipment based on environment information of the equipment. A search-result transmitting unit searches, when an information output request for equipment information generated based on the identification information is received, a database for the equipment information corresponding to the identification information, and transmits a search result as information indicating whether the equipment is allowed to receive a service.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: March 25, 2014
    Assignee: Fujitsu Limited
    Inventors: Keiichi Ikeda, Seigo Kotani
  • Patent number: 8631465
    Abstract: A terminal of an environment management station that calculates an evaluation value of a user terminal security, the evaluation value being used to determine whether to provide a service from a service provider to the user terminal, the terminal of the environment management station set in a third-party organization and stores environment information about to identify software or hardware that can be incorporated in the user terminal or hardware that can be connected to the user terminal, and the evaluation value of the user terminal in association with each other; a receiving unit that receives the environment information of the user terminal; an evaluation value calculating unit that calculates the evaluation value of the user terminal based on the evaluation value; and a transmitting unit that transmits the evaluation value to the terminal of the service provider.
    Type: Grant
    Filed: August 28, 2007
    Date of Patent: January 14, 2014
    Assignee: Fujitsu Limited
    Inventors: Keiichi Ikeda, Seigo Kotani, Masato Suzuki, Akihiro Inomata
  • Publication number: 20130213887
    Abstract: The present invention provides a hollow fiber membrane filtration device including a hollow fiber membrane module in which a hollow fiber membrane bundle formed of a plurality of hollow fiber membranes is inserted into a cylindrical case having a plurality of side nozzles at a side surface of the cylindrical case, provided with a water feed/drainage function, an upper-end nozzle on an upper-end face of the cylindrical case, provided with a water feed/drainage function and a lower-end nozzle on a lower-end face of the cylindrical case, provided with a water feed/drainage function, and at least one-sided end of the hollow fiber membrane bundle is fixed to the cylindrical case by bonding with resin in a position higher than any of positions of the plurality of side nozzles, in which at least two of the plurality of side nozzles are communicated with each other through a piping.
    Type: Application
    Filed: September 5, 2011
    Publication date: August 22, 2013
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hirofumi Morikawa, Keiichi Ikeda, Kenichi Okubo
  • Publication number: 20130015131
    Abstract: The present invention provides a method for washing a separation membrane module after filtering raw water containing particles having a hardness higher than that of a separation membrane. Thus, after completion of filtration, water at the primary side in a separation membrane module is drained to outside the system, backwash waste water in the separation membrane module is then drained while carrying out backwash, and any of the steps of: (a) filling the primary side in the separation membrane module with water and carrying out air scrubbing; and (b) carrying out air scrubbing while feeding water to the primary side in the separation membrane module is then carried out, followed by draining water at the primary side in the separation membrane module to outside the system.
    Type: Application
    Filed: March 10, 2011
    Publication date: January 17, 2013
    Applicant: Toray Industries, Inc.
    Inventors: Takashi Onishi, Keiichi Ikeda, Kenichi Okubo
  • Patent number: 8211984
    Abstract: Provided are a ring-opening metathesis polymer and a hydrogenated product thereof that are useful as materials for an optical component, and a method for preparation thereof. The present invention relates to a ring-opening metathesis polymer comprising at least repeating structural units [A] represented by the following General Formula [1] and repeating structural units [B] represented by the following General Formula [2] at a constitutional molar ratio [A]/[B] of 0.1/99.9 to 100/0. The present invention relates to a ring-opening metathesis polymer comprising at least repeating structural units [A] represented by the following General Formula [1] and repeating structural units [B] represented by the following General Formula [2] at a constitutional molar ratio [A]/[B] of 0.1/99.9 to 100/0.
    Type: Grant
    Filed: January 17, 2007
    Date of Patent: July 3, 2012
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Tadahiro Sunaga, Yuichi Okawa, Takashi Ochiai, Keiichi Ikeda
  • Patent number: 8021363
    Abstract: Disclosed herein are devices and methods for forming multidirectional cuts in tissue. The tissue cutting devices disclosed herein generally include a flexible elongate member with at least first and second wires that are at least partially constrained within or along a portion of the member. A distal portion of the wires is anchored on or within a portion of the elongate member. When tension is applied to one of the wires, such as by an actuator at a proximal end of the device, the elongate member bows while an unconstrained portion of the wire becomes exposed relative to the adjacent portion of the elongate member, assuming a tissue-cutting configuration.
    Type: Grant
    Filed: April 27, 2007
    Date of Patent: September 20, 2011
    Assignee: Ethicon Endo-Surgery, Inc.
    Inventors: Omar J. Vakharia, Rudolph H. Nobis, Christopher Paul Swain, Charles Alexander Mosse, Keiichi Ikeda
  • Patent number: 7987513
    Abstract: A job administrator terminal embeds control information in service data and transmits the service data to a job executor terminal. The job executor terminal receives the service data, extracts the control information from the service data, and stores the control information in a storing unit. When the job administrator terminal provides a service to the job executor terminal, the job administrator terminal controls provision of the service based on the control information and environmental information of the job executor terminal.
    Type: Grant
    Filed: July 24, 2006
    Date of Patent: July 26, 2011
    Assignee: Fujitsu Limited
    Inventors: Keiichi Ikeda, Seigo Kotani
  • Patent number: 7804523
    Abstract: In a head detachable camera comprising a camera head and an image processing unit which does not have an exclusive line for notifying the type of image sensing device used in the camera head, when the power switch is turned on, vertical interval data signal processing units of the camera head and the image processing unit are set to a predetermined communication mode, such as one conforming to the NTSC video mode. Under this situation, identification information showing the number of pixels and the video rate used in the image sensing device is transmitted from the camera head by multiplexing the identification information in a blanking period of an image signal, and the communication mode of the camera head is changed in accordance with the number of pixels and the video rate of the image sensing device, if necessary.
    Type: Grant
    Filed: August 16, 2005
    Date of Patent: September 28, 2010
    Assignee: Canon Kabushiki Kaisha
    Inventors: Keiichi Ikeda, Yoshito Haba