Patents by Inventor Michio Takahashi

Michio 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).

  • Publication number: 20110048388
    Abstract: The main body of the heat accumulation element has a honeycomb structure, and fluid passages where a fluid circulates and heat accumulating medium portions where a medium for storing heat is enclosed are formed. Specifically, the heat accumulation element has partition walls, and one opening portion and the other opening portion of each of the predetermined cells of a honeycomb structure having a large number of cells partitioned and formed to function as fluid passages are plugged and fired to form plugged cells. A heat accumulating medium is provided in the plugged cells. Open cells neither plugged nor fired serve as fluid passages with the plugged cells plugged and fired serving as heat accumulating medium portions, and the fluid circulating through the open cells and the heat accumulating medium in the plugged cells exchange heat.
    Type: Application
    Filed: July 30, 2010
    Publication date: March 3, 2011
    Applicant: NGK Insulators, Ltd.
    Inventors: Michio TAKAHASHI, Shigeharu Hashimoto
  • Patent number: 7863540
    Abstract: The present invention provides a plasma reactor which can suppress deactivation of components (active components) activated by plasma when causing exhaust gas to flow through a plasma generating space to ensure efficient reaction between the active components and particulate matter, whereby the particulate matter can be efficiently purified via reaction. The plasma reactor includes a plasma reactor main body 1, a positive electrode 11 disposed on an inlet side 2 of the plasma reactor main body 1, a conductive honeycomb filter 21 disposed so that a filter inlet side 22 faces an outlet side 3 of the plasma reactor main body 1, and a pulse power supply 31 which is connected with the positive electrode 11 and the honeycomb filter 21 and is capable of applying a pulse voltage between the positive electrode 11 and the honeycomb filter 21 as plasma generating electrodes to generate plasma.
    Type: Grant
    Filed: March 21, 2007
    Date of Patent: January 4, 2011
    Assignee: NGK Insulators, Ltd.
    Inventors: Masaaki Masuda, Michio Takahashi, Takeshi Sakuma
  • Publication number: 20100329940
    Abstract: A plasma reactor includes a reaction container having an inlet 4 for a reforming target gas and an outlet for a reformed gas, a pair of electrodes that generate plasma and are disposed opposite to each other in an inner space of the reaction container, a pulse power supply that applies a voltage between the pair of electrodes, and a catalyst that promotes a reforming reaction of the reforming target gas, one electrode being a honeycomb electrode that is formed of a conductive ceramic and includes a plurality of cells that are defined by a partition wall, the other electrode being disposed opposite to an end face of the honeycomb electrode, the catalyst being supported on the partition wall of the honeycomb electrode, and a concave surface being formed in a center area of the end face of the honeycomb electrode that opposes the opposite electrode.
    Type: Application
    Filed: June 1, 2010
    Publication date: December 30, 2010
    Applicant: NGK Insulators, Ltd.
    Inventors: Michio TAKAHASHI, Hiroshi MIZUNO, Naohiro SHIMIZU
  • Publication number: 20100270011
    Abstract: In a heat exchange element 1, first fluid circulation portions 5 having a honeycomb structure having a plurality of cells separated by ceramic partition walls 4, extending through in an axial direction from one end face 2 to the other end face 2, and allowing a heated medium as a first fluid to flow therethrough and second fluid circulation portions 6 being separated by ceramic partition walls 4, extending in the direction perpendicular to the axial direction, allowing a second fluid to flow therethrough, transferring heat to a medium to be heated as the second fluid are alternately formed as a unit. The cells 3 on the first fluid circulation portion 5 side are smaller than the cells 3 on the second fluid circulation portion 6 side, and the partition walls have a density of 0.5 to 5 g/cm3 and a thermal conductivity of 10 to 300 W/mK.
    Type: Application
    Filed: April 20, 2010
    Publication date: October 28, 2010
    Applicant: NGK Insulators, Ltd.
    Inventors: Michio TAKAHASHI, Hiroshi Mizuno
  • Publication number: 20100247402
    Abstract: A reactor includes a reaction vessel having an inlet for to-be-reformed gas and an outlet for reformed gas, a pair of electrodes for plasma generation, disposed in the internal space of the reactor vessel so as to face each other, a power source for applying a voltage to the pair of electrodes, and a catalyst for promoting the reforming reaction of to-be-reformed gas, wherein one of the pair of electrodes is a linear electrode, the other of the pair of electrodes is a honeycomb electrode made of a conductive ceramics, the catalyst is loaded on the partition walls of the honeycomb electrode, and the ratio of the maximum outer diameter d1 of each cell-opening end face of the honeycomb electrode to the length L1 of the honeycomb electrode in the cell-extending direction is in a range of 0.50 to 1.2.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 30, 2010
    Applicant: NGK Insulators, Ltd.
    Inventors: Hiroshi MIZUNO, Michio Takahashi
  • Publication number: 20100239472
    Abstract: Reactor 1A includes a reaction vessel 10 having an inlet 4 for a to-be-reformed gas 2 and an outlet 8 for a reformed gas 6, a pair of electrodes 12 for plasma generation, a power source 14 for applying a voltage to the pair of electrodes 12, and a catalyst for promoting a reforming reaction, wherein one of the pair of electrodes 12 is a linear electrode 32, the other of the pair of electrodes 12 is a honeycomb electrode 34 made of a conductive ceramics, and the catalyst is loaded on the partition walls of the honeycomb electrode 34, which reactor further includes shielding members 30A placed between the linear electrode 32 and the honeycomb electrode 34, which are protruded toward the gas-introducing end face side of the honeycomb electrode 34 and prevent the inflow of the to-be-reformed gas 2 passing through a zone other than a plasma-generating zone 42.
    Type: Application
    Filed: March 3, 2010
    Publication date: September 23, 2010
    Applicant: NGK Insulators, Ltd.
    Inventors: Hiroshi MIZUNO, Michio Takahashi
  • Publication number: 20100196224
    Abstract: There is provided a plasma reactor provided with a reformer reactor having a feed port for target gas to be reformed and a discharge port for reformed gas, a pair of electrodes disposed to face each other in an internal space of the reformer reactor, and a pulse power source for applying a pulse voltage to the electrodes. One of the electrodes is a linear electrode, and the other electrode is a honeycomb electrode which is composed of a conductive ceramic and has a plurality of cells functioning as gas flow passages and separated and formed by partition walls.
    Type: Application
    Filed: April 13, 2010
    Publication date: August 5, 2010
    Applicant: NGK Insulators, Ltd.
    Inventors: Michio Takahashi, Takeshi Sakuma
  • Publication number: 20100135870
    Abstract: A reactor 100 includes: a honeycomb-structured reformer 1 having partition walls 3 separating and forming a plurality of cells 2 functioning as fluid passages extending through from one end face to the other end face, having a liquid supply hole 6 having an opening portion 5 on a side face 4, capable of evaporating liquid supplied inside, and capable of reforming the evaporated liquid; a liquid supply tube 11 inserted into the liquid supply hole 6 in order to supply liquid to the reformer 1; and a heating apparatus 21 for heating the reformer 1. The reactor can reform a liquid with saving energy and a space by performing evaporation and reforming of the liquid in a reformer.
    Type: Application
    Filed: November 16, 2009
    Publication date: June 3, 2010
    Applicant: NGK Insulators, Ltd.
    Inventors: Hiroshi MIZUNO, Michio Takahashi
  • Publication number: 20100111781
    Abstract: There is disclosed a honeycomb structure whose outer peripheral portion is plugged, whereby the insulating properties of the structure itself can improve to further improve the insulating properties, and the temperature of an introduced gas can be raised. A plasma reactor is also provided which can generate a large amount of hydrogen and which has a high electrode durability. A honeycomb structure 1 includes a cell structural portion having partition walls 4 which connect one end face thereof to the other end face thereof to define a plurality of cells 3 as through channels of a gas, and cells 3 having plugging portions 9 which plug both the end faces of an outer peripheral portion 7 of the cell structural portion, and the cell area of the plugging portions 9 is 10% or more of the whole cell area.
    Type: Application
    Filed: October 23, 2009
    Publication date: May 6, 2010
    Applicant: NGK Insulators, Ltd.
    Inventors: Michio TAKAHASHI, Hiroshi MIZUNO
  • Publication number: 20090282817
    Abstract: A plasma processing apparatus includes a main body that has an inlet for a purification target gas and an outlet for a purified gas, an insulator honeycomb that includes a plurality of cells that are partitioned by a partition wall and serve as gas passages, a conductor honeycomb that is disposed to be able to transmit heat to the insulator honeycomb, a discharge electrode that is disposed opposite to the conductor honeycomb and forms a pair of electrodes with the conductor honeycomb, and a pulse power supply that applies a pulse voltage between the pair of electrodes, the insulator honeycomb, the conductor honeycomb, and the discharge electrode being disposed in an inner space of the main body. The plasma processing apparatus generates plasma by applying a pulse voltage to promote purification of the purification target gas in the insulator honeycomb by utilizing heat generated by plasma.
    Type: Application
    Filed: May 4, 2009
    Publication date: November 19, 2009
    Applicant: NGK INSULATORS, LTD.
    Inventors: Masaaki Masuda, Yukio Miyairi, Michio Takahashi
  • Publication number: 20090206757
    Abstract: A plasma reactor includes a honeycomb electrode in which a plurality of cells that function as gas passages are partitioned by a partition wall, and a discharge electrode. The honeycomb electrode includes a first gas circulation section that allows a first gas to pass through, and a second gas circulation section that allows a second gas to pass through. The plasma reactor causes the first gas introduced into the first gas circulation section of the honeycomb electrode through the space between the electrodes to undergo a reaction while causing a plasma discharge between the honeycomb electrode and the discharge electrode, and allows the second gas to be introduced into the second gas circulation section of the honeycomb electrode to transfer heat of the second gas to the first gas circulation section to promote the reaction of the first gas.
    Type: Application
    Filed: February 10, 2009
    Publication date: August 20, 2009
    Applicant: NGK INSULATORS, LTD.
    Inventors: Masaaki MASUDA, Michio TAKAHASHI, Hiroshi MIZUNO
  • Publication number: 20090208387
    Abstract: A plasma reactor includes a plasma reaction section that includes a pair of tabular electrodes facing each other arranged with an opening and generates plasma in a discharge section between the pair of tabular electrodes upon application of a voltage between the pair of tabular electrodes so that a first gas that passes through the discharge section is made to undergo a reaction, each of the pair of tabular electrodes including a ceramic dielectric and a conductor buried in the ceramic dielectric, and a heat-supplying gas circulation section that is stacked adjacently to the plasma reaction section and is integrally formed with the plasma reaction section, the heat-supplying gas circulation section applying heat of a second gas that passes through to the plasma reaction section to promote the reaction of the first gas.
    Type: Application
    Filed: February 10, 2009
    Publication date: August 20, 2009
    Applicant: NGK Insulators, Ltd.
    Inventors: Masaaki MASUDA, Michio TAKAHASHI, Hiroshi MIZUNO
  • Publication number: 20090196804
    Abstract: A plasma reactor includes a first tabular electrode, a plural second tabular electrodes that are disposed in parallel at given intervals perpendicularly to the first electrode, a honeycomb structure disposed between the first electrode and each of the plural second electrodes, and a pulse power supply that applies an electrical pulse between the first electrode and each of the plural second electrodes.
    Type: Application
    Filed: January 29, 2009
    Publication date: August 6, 2009
    Applicant: NGK INSULATORS, LTD.
    Inventors: Masaaki MASUDA, Hiroshi MIZUNO, Michio TAKAHASHI, Takayuki SEKIYA
  • Publication number: 20090179545
    Abstract: The ceramic plasma reactor includes: a plurality of unit electrodes each of which comprises a plate-shaped ceramic dielectric body 4 and a conductive film 3 embedded in the ceramic dielectric body superimposing them each other with a gap which works as a discharge portion 11, and preferably being formed by sandwiching one unit electrode 2b having no through holes 15 by two unit electrodes having plural through holes 2a there between. A partition wall plate 9 is provided by facing one of unit electrodes on a side opposite to the gap and being held by a holding member 7 at a predetermined distance so as to form there between a gas introducing-circulating portion 21 for introducing and circulating gas in the through-holes 15 so as to send gas introduced to the gap between the unit electrodes as a discharge portion by applying a voltage thereto to generate plasma.
    Type: Application
    Filed: January 9, 2009
    Publication date: July 16, 2009
    Applicant: NGK INSULATORS, LTD.
    Inventors: Michio TAKAHASHI, Hiroshi MIZUNO, Masaaki MASUDA
  • Publication number: 20090016941
    Abstract: It is disclosed a plasma discharging electrode device generating non-equilibrium plasma for treating a gas. The device has a substrate comprising an integrated sintered ceramic body; an electrode embedded in said substrate; and a catalyst supported by said substrate and accelerating the reaction of the gas. The substrate has a surface portion whose porosity is higher than that of a portion in the vicinity of the electrode in the substrate.
    Type: Application
    Filed: January 10, 2007
    Publication date: January 15, 2009
    Applicant: NGK INSULATORS LTD.
    Inventors: Michio Takahashi, Atsuo Kondo, Nobuhiko Mori
  • Publication number: 20080185548
    Abstract: An electromagnetic valve has a fixed core, a movable core, a coil attract the fixed core and the movable core each other, a valve body and a valve seat member including a funnel-shaped valve seat surface and an inlet path. The flow path is closable by retreat/advance of the valve body relative to the valve seat surface. The valve body includes a semi-spherical seal portion and a stem portion extending from the seal portion towards the movable core, a diameter of an end portion of the seal portion at the stem portion side is larger than a diameter of an end portion of the stem portion at the seal portion side. A space is defined in an area located on an extended line extending from a small diameter end portion to a large diameter end portion of the valve seat surface.
    Type: Application
    Filed: January 30, 2008
    Publication date: August 7, 2008
    Applicant: NISSIN KOGYO CO., LTD.
    Inventors: Michio Takahashi, Takaaki Komaba, Takuyo Shimono
  • Publication number: 20080072574
    Abstract: The present invention provides a plasma reactor which can suppress deactivation of components (active components) activated by plasma when causing exhaust gas to flow through a plasma generating space to ensure efficient reaction between the active components and particulate matter, whereby the particulate matter can be efficiently purified via reaction. The plasma reactor includes a plasma reactor main body 1, a positive electrode 11 disposed on an inlet side 2 of the plasma reactor main body 1, a conductive honeycomb filter 21 disposed so that a filter inlet side 22 faces an outlet side 3 of the plasma reactor main body 1, and a pulse power supply 31 which is connected with the positive electrode 11 and the honeycomb filter 21 and is capable of applying a pulse voltage between the positive electrode 11 and the honeycomb filter 21 as plasma generating electrodes to generate plasma.
    Type: Application
    Filed: March 21, 2007
    Publication date: March 27, 2008
    Applicant: NGK INSULATORS, LTD.
    Inventors: Masaaki Masuda, Michio Takahashi, Takeshi Sakuma
  • Publication number: 20060222946
    Abstract: There is disclosed a positive electrode for a non-aqueous electrolytic secondary cell and a non-aqueous electrolytic secondary cell exhibiting a high potential of a 4 V region, and having a high capacity, safety, excellent cycle characteristic, and satisfactory high-temperature characteristic, wherein a positive electrode active material is a mixture of olivine type lithium manganese phosphate and spinel type lithium manganate.
    Type: Application
    Filed: March 28, 2006
    Publication date: October 5, 2006
    Applicants: Kyushu University, NGK Insulators, Ltd.
    Inventors: Shigeto Okada, Jun-Ichi Yamaki, Tomoko Iwanaga, Michio Takahashi, Hiroyuki Katsukawa
  • Patent number: 6964830
    Abstract: A lithium secondary battery using lithium manganese oxide as a positive active material and having excellent charge and discharge cycle properties. As a positive active material of a lithium secondary battery, lithium manganese oxide having a cubic spinel structure, in which the strength ratio (P2/P1 strength ratio) of the primary endothermal peak (P1) appearing around 950° C. and the secondary endothermal peak (P2) appearing around 1100°0 C. in differential thermal analysis is under 1, is used.
    Type: Grant
    Filed: January 17, 2002
    Date of Patent: November 15, 2005
    Assignee: NGK Insulators, Ltd.
    Inventor: Michio Takahashi
  • Patent number: 6939894
    Abstract: Methods for reducing excessive barking of a dog are disclosed wherein GABA or SKF97541 is administered.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: September 6, 2005
    Assignee: Ajinomoto Co., Inc.
    Inventors: Michio Takahashi, Makoto Bannai, Shinobu Seki