Patents by Inventor Hitotoshi Murase
Hitotoshi Murase 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: 8653404Abstract: An in-liquid plasma electrode according to the present invention is an in-liquid plasma electrode for generating plasma in a liquid and has an electrically conductive member having an electric discharge end surface in contact with the liquid, and an electrically insulating member covering an outer periphery of the conductive member at least except the electric discharge end surface. Preferably, d and x satisfy ?2d?x?2d, where d is a length of a minor axis of the cross section when a conductive end portion of the electrically conductive member having the electric discharge end surface has an approximately circular cross section, or d is a length of a short side of the cross section when the conductive end portion has an approximately rectangular cross section, and x is a distance from a reference plane to a plane containing the electric discharge end surface when the reference plane is an end surface of the electrically insulating member that is approximately parallel with the electric discharge end surface.Type: GrantFiled: December 2, 2005Date of Patent: February 18, 2014Assignees: Kabushiki Kaisha Toyota Jidoshokki, Ehime UniversityInventors: Hitotoshi Murase, Toshihisa Shimo, Hiroaki Takashima, Hiromichi Toyota, Shinfuku Nomura, Tsunehiro Maehara
-
Publication number: 20130337323Abstract: An object of the present invention is to provide a negative-electrode mixture material for secondary battery that is excellent in terms of high-rate characteristics, and a negative electrode, as well as a secondary battery. A negative-electrode mixture material for secondary battery according to the present invention contains a negative-electrode active material including: a silicon elementary substance and a silicon compound; graphite; and a polyamide-imide/silica hybrid resin being made by bonding an alkoxysilyl group onto a polyamide-imide resin.Type: ApplicationFiled: October 31, 2011Publication date: December 19, 2013Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Hideaki Ishikawa, Hitotoshi Murase, Manabu MIyoshi
-
Patent number: 8541068Abstract: The process for producing an amorphous carbon film of the present invention is a process for producing an amorphous carbon film comprising contacting a surface of a substrate S with bubbles B which have been formed in a liquid L containing an organic compound and inside which plasma has been generated, so as to form an amorphous carbon film on the surface of the substrate S, and the liquid L contains one or more selected from phenols and alcohols having a carbon number of from 1 to 12. According to the present invention, a hard amorphous carbon film can be formed easily.Type: GrantFiled: March 27, 2006Date of Patent: September 24, 2013Assignees: Kabushiki Kaisha Toyota Jidoshokki, Ehime UniveristyInventors: Hitotoshi Murase, Toshihisa Shimo, Shinfuku Nomura, Hiromichi Toyota, Hiroshi Yamashita, Makoto Kuramoto
-
Publication number: 20130244110Abstract: The present invention is characterized in that, in a negative electrode for lithium-ion secondary battery, the negative electrode being manufactured via an application step of applying a binder resin and an active material onto a surface of collector, the binder resin is an alkoxysilyl group-containing resin that has a structure being specified by formula (I); and the active material includes a lithium-inactive metal that does not form any intermetallic compounds with lithium, or a silicide of the lithium-inactive metal, and an elemental substance of Si. It is possible to upgrade cyclic characteristics by means of using the negative electrode for lithium-ion secondary battery according to the present invention. wherein “R1” is an alkyl group whose number of carbon atoms is from 1 to 8; “R2” is an alkyl group or alkoxyl group whose number of carbon atoms is from 1 to 8; and “q” is an integer of from 1 to 100.Type: ApplicationFiled: April 30, 2013Publication date: September 19, 2013Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Manabu MIYOSHI, Hitotoshi MURASE, Takayuki HIROSE, Kazuhiro IZUMOTO, Hideki GODA
-
Patent number: 8420579Abstract: A slide member having a substrate and a sliding layer formed on at least a sliding surface side of the substrate. The sliding layer comprises a resin composition comprising a polyamide-imide resin and an organically modified layered clay mineral dispersed uniformly in the polyamide-imide resin, and a solid lubricant held by the resin composition. The resin composition has an average linear expansion coefficient of between 3.12 and 5×10-5/° C. in the range from 100 to 200 ° C. The process for producing a slide member comprises coating at least the sliding surface side of a mixture of a resin solution comprising a polyamide-imide resin and a solvent for dissolving the polyamide-imide resin, solid lubricant powder, and an organically modified layered clay mineral; and subsequently removing the solvent of the coating composition.Type: GrantFiled: October 27, 2005Date of Patent: April 16, 2013Assignee: Kabushiki Kaisha Toyota JidoshokkiInventors: Hitotoshi Murase, Toshihisa Shimo, Makoto Kato, Kenzo Fukumori
-
Publication number: 20130078514Abstract: Provided is a condensed polycyclic aromatic compound, having superior lithium ion responsivity and is suitable for lithium ion secondary battery applications, a production process thereof, a positive electrode active material containing that condensed polycyclic aromatic compound, and a positive electrode for a lithium ion secondary battery provided therewith, and further provided is a lithium ion secondary battery, having high capacity and superior cycling adaptability, that has the positive electrode as a constituent thereof. The condensed polycyclic aromatic compound according to the present invention has at least four imino groups in a molecule thereof.Type: ApplicationFiled: May 26, 2011Publication date: March 28, 2013Applicants: KEIO UNIVERSITY, KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Osamu Ohmori, Akiko Shima, Hitotoshi Murase, Masataka Nakanishi, Junichi Niwa, Kimihisa Yamamoto
-
Publication number: 20130078519Abstract: A production process for lithium-silicate-based compound according to the present invention is characterized in that: a lithium-silicate compound being expressed by Li2SiO3 is reacted with a transition-metal-element-containing substance including at least one member being selected from the group consisting of iron and manganese at 550° C. or less within a molten salt including at least one member being selected from the group consisting of alkali-metal nitrates as well as alkali-metal hydroxides in an atmosphere in the presence of a mixed gas including carbon dioxide and a reducing gas. In accordance with the present invention, it is possible to produce lithium-silicate-based materials, which are useful as a positive-electrode active material for lithium-ion secondary battery, and the like, at low temperatures by means of relatively easy means.Type: ApplicationFiled: June 17, 2011Publication date: March 28, 2013Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Toshikatsu Kojima, Takuhiro Miyuki, Tetsuo Sakai, Akira Kojima, Junichi Niwa, Hitotoshi Murase, Kazuhito Kawasumi
-
Publication number: 20130017449Abstract: The present invention is characterized in that it is a positive-electrode active material for lithium-ion secondary battery, the positive-electrode active material being capable of absorbing and releasing lithium; it includes the following at least: a first compound exhibiting an irreversible capacity; and a second compound being capable of absorbing more lithium than an amount of lithium that has been released at the time of first-round charging; and it exhibits an irreversible capacity decreasing as a whole of active material. An irreversible capacity of the resulting positive-electrode active material can be reduced by combining the specific compounds to use.Type: ApplicationFiled: April 4, 2011Publication date: January 17, 2013Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Naoto Yasuda, Hitotoshi Murase, Ryota Isomura, Toru Abe
-
Publication number: 20120321954Abstract: The present invention is a production process for composite oxide being expressed by a compositional formula: LiMn1-xAxO2 (where “A” is one or more kinds of metallic elements other than Mn; and 0?“x”<1), and the composite oxide is obtained via the following: a raw-material mixture preparation step of preparing a raw-material mixture by mixing a metallic-compound raw material and a molten-salt raw material with each other, the metallic-compound raw material at least including an Mn-containing nitrate that includes one or more kinds of metallic elements in which Mn is essential, the molten-salt raw material including lithium hydroxide and lithium nitrate, and exhibiting a proportion of the lithium nitrate with respect to the lithium hydroxide (i.e., (Lithium Nitrate)/(Lithium Hydroxide)) that falls in a range of from 1 or more to 3 or less by molar ratio; a molten reaction step of reacting the raw-material mixture at 500° C.Type: ApplicationFiled: February 7, 2011Publication date: December 20, 2012Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Ryota Isomura, Hitotoshi Murase, Naoto Yasuda
-
Publication number: 20120315544Abstract: A composite oxide is produced via the following: a raw-material mixture preparation step of preparing a raw-material mixture by mixing a metallic-compound raw material and a molten-salt raw material with each other, the metallic-compound raw material at least including one or more kinds of Mn-containing metallic compounds being selected from the group consisting of oxides, hydroxides and metallic salts that include one or more kinds of metallic elements in which Mn is essential, the molten-salt raw material including lithium hydroxide and lithium nitrate, and exhibiting a proportion of the lithium hydroxide with respect to the lithium nitrate (i.e., (Lithium Hydroxide)/(Lithium Nitrate)) that falls in a range of from 0.05 or more to less than 1 by molar ratio; a molten reaction step of reacting said raw-material mixture at from 300° C. or more to 550° C.Type: ApplicationFiled: March 7, 2011Publication date: December 13, 2012Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Naoto Yasuda, Hitotoshi Murase, Ryota Isomura
-
Publication number: 20120258370Abstract: [Summary] [Assignment] Providing a noble negative-electrode active material including silicon, and a production process for the same. [Solving Means] A negative-electrode active material for non-aqueous-system secondary battery including a silicon phase and a composite oxide phase (a CaSiO3 phase, for instance) is obtained by mixing a silicon oxide (SiO, for instance) with a silicon compound (CaSi2, for instance), which includes silicon and at least one member of elements being selected from the group consisting of Group 2 (or Group 2A) elements in the Periodic Table, to prepare a mixed raw material, and then reacting the mixed raw material. The composite oxide phase demonstrates the advantage of inhibiting electrolytic solutions from decomposing in a smaller amount than does the conventional SiO2 phase.Type: ApplicationFiled: December 8, 2010Publication date: October 11, 2012Applicant: Kabushiki Kaisha Toyota JidoshokkiInventors: Manabu Miyoshi, Hideaki Ishikawa, Hitotoshi Murase
-
Publication number: 20120244435Abstract: To provide a negative electrode for lithium-ion secondary battery, negative electrode which has good cyclability by suppressing the active material from coming off or falling down from the current collector. It has a current collector 1; and an active-material layer 6 in which a conductive additive 3; and an active material 2 being surface-treated with use of a surface treatment agent that is specified by a general formula: X—Si(CH3)n—(OR)3-n wherein: “n” is 0, 1 or 2; “OR” is a methoxy group, or an ethoxy group; and “X” is a methoxy group, an ethoxy group, or a vinyl group; are bound onto a surface of the current collector 1 via a binder 4 comprising a resin that has an alkoxy group-containing silane-modified part.Type: ApplicationFiled: December 9, 2010Publication date: September 27, 2012Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Takayuki Hirose, Manabu Miyoshi, Hitotoshi Murase
-
Publication number: 20120202117Abstract: It is equipped with a negative-electrode current collector, and a negative-electrode mixture-material layer comprising a negative-electrode mixture material that includes a negative-electrode active material containing silicon (Si) and a binding agent at least, the negative-electrode mixture-material layer being formed on a surface of the negative-electrode current collector; and the binding agent includes a polyimide-silica hybrid resin being made by subjecting a silane-modified polyamic acid to sol-gel curing and dehydration ring-closing, the silane-modified polyamic acid being expressed by the following formula (wherein: “R1” specifies an aromatic tetracarboxylic dianhydride residue including 3,3?,4,4?-biphenyltetracarboxylic dianhydride residue in an amount of 90% by mole or more; “R2” specifies an aromatic diamine residue including a 4,4?-diaminodiphenyl ether residue in an amount of 90% by mole or more; “R3” specifies an alkyl group whose number of carbon atoms is from 1 to 8; “R4” specifies an alkylType: ApplicationFiled: October 6, 2010Publication date: August 9, 2012Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Takayuki Hirose, Manabu Miyoshi, Hitotoshi Murase, Hideki Goda, Kazuhiro Izumoto
-
Publication number: 20120177992Abstract: To provide a negative electrode for lithium-ion secondary battery, negative electrode which has good cyclability by suppressing the active material from coming off or falling down from the current collector, and a manufacturing process for the same. It is characterized in that, in a negative electrode for lithium-ion secondary battery, the negative electrode having a current collector 1 and an active-material layer 6 being bound on a surface of the current collector 1, the active-material layer 6 includes active materials 2, binders 5, conductive additives 4, and buffer materials 3, the active materials 2 include Si and/or Sn, and the buffer materials 3 comprise a silicone composite powder in which a spherical silicone-rubber powder is covered with a silicone resin.Type: ApplicationFiled: September 1, 2010Publication date: July 12, 2012Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Manabu Miyoshi, Hitotoshi Murase, Keiichi Hayashi, Shinji Suzuki
-
Patent number: 8097569Abstract: A compressor includes a swash plate, and a shoe connected to an outer periphery of the swash plate. A surface of the swash plate slides upon a flat surface of the shoe. A sliding film is applied to the surface of the swash plate. The sliding film is formed of binder resin which contains a solid lubricant and titanium oxide powder. This allows the surface of the swash plate and the flat surface of the shoe to smoothly slide upon each other.Type: GrantFiled: April 13, 2004Date of Patent: January 17, 2012Assignees: Kabushiki Kaisha Toyota Jidoshokki, Dow Corning Toray Co., Ltd.Inventors: Akio Saiki, Noriyuki Shintoku, Noriaki Baba, Toshihisa Shimo, Hitotoshi Murase, Tetsuji Yamaguchi, Jiro Yamashita, Takahiro Sugioka
-
Publication number: 20110319640Abstract: To provide an industrial purification method of PDC obtained by fermentative production. A method of purifying 2-pyrone-4,6-dicarboxylic acid which comprises including a salt of monovalent to tetravalent cations in a fermentation liquid containing microbially-produced 2-pyrone-4,6-dicarboxylic acid; and a method of purifying 2-pyrone-4,6-dicarboxylic acid which method comprises extracting 2-pyrone-4,6-dicarboxylic acid from a fermentation liquid containing microbially-produced 2-pyrone-4,6-dicarboxylic acid without forming 2-pyrone-4,6-dicarboxylate.Type: ApplicationFiled: January 30, 2008Publication date: December 29, 2011Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Kohei Mase, Toshihisa Shimo, Naoki Ohara, Yoshihiro Katayama, Kiyotaka Shigehara, Yusuke Yamamoto, Hitotoshi Murase
-
Publication number: 20110315919Abstract: A process is provided, process which makes it possible to produce lithium-borate-system materials by means of relatively simple means, lithium-borate-system materials which are useful as positive-electrode active materials for lithium-ion secondary battery, and the like, whose cyclic characteristics, capacities, and so forth, are improved, and which have better performance. The present production is characterized in that a divalent metallic compound including at least one member of compounds that is selected from the group consisting of divalent-iron compounds and divalent-manganese compounds, and boric acid as well as lithium hydroxide are reacted at 400-650° C. in a molten salt of a carbonate mixture comprising lithium carbonate and at least one member of alkali-metal carbonates that is selected from the group consisting of potassium carbonate, sodium carbonate, rubidium carbonate and cesium carbonate in a reducing atmosphere.Type: ApplicationFiled: March 4, 2010Publication date: December 29, 2011Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGYInventors: Toshikatsu Kojima, Tetsuo Sakai, Takuhiro Miyuki, Akira Kojima, Junichi Niwa, Hitotoshi Murase
-
Publication number: 20110291055Abstract: The present invention is one which provides a production process for lithium-silicate-system compound, the production process being characterized in that: a lithium-silicate compound being expressed by Li2SiO3 is reacted with a substance including at least one member of transition-metal elements that is selected from the group consisting of iron and manganese at 400-650° C. in a molten salt of a carbonate mixture comprising lithium carbonate and at least one member of alkali-metal carbonates that is selected from the group consisting of potassium carbonate, sodium carbonate, rubidium carbonate and cesium carbonate in a mixed-gas atmosphere including carbon dioxide and a reducing gas; and a positive-electrode active material for lithium-ion secondary battery that comprises a lithium-silicate-system compound being obtained by the aforesaid process.Type: ApplicationFiled: November 20, 2009Publication date: December 1, 2011Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Toshikatsu Kojima, Tetsuo Sakai, Takuhiro Miyuki, Yasue Okumura, Akira Kojima, Junichi Niwa, Hitotoshi Murase
-
Publication number: 20110285353Abstract: An active material for non-aqueous-system secondary battery according to the present invention is characterized in that it comprises a mixture of an alkali metal salt and a transition metal, and it carries out reversible oxidation-reduction by means of charging-discharging, oxidation-reduction in which an alkali metal is eliminated from a compound being made by reacting the alkali metal salt with the transition metal, and oxidation-reduction in which the alkali metal salt and the transition metal are reproduced from the compound into which the alkali metal has been inserted. It becomes feasible to make a non-aqueous-system secondary battery exhibit a higher capacity by using this active material for the non-aqueous-system secondary battery. Moreover, since the active material for non-aqueous-system secondary battery according to the present invention includes an alkali metal that works as electrolyte ions, another active material that is used for the counter electrode is not limited.Type: ApplicationFiled: January 6, 2010Publication date: November 24, 2011Applicant: KABUSHIKI KAISHA TOYOTA JIDOSHOKKIInventors: Junichi Niwa, Hitotoshi Murase
-
Publication number: 20110244326Abstract: It is an assignment to be solved to provide an electrode for secondary battery, electrode in which the active material is suppressed from coming off or falling down from the electricity collector, and that has excellent cyclic performance. It is characterized in that, in an electrode for secondary battery, the electrode being manufactured via an application step of applying a binder resin and an active material onto a surface of electricity collector, said binder resin is an alkoxysilyl group-containing resin that has a structure being specified by formula (I): wherein “R1” is an alkyl group whose number of carbon atoms is from 1 to 8; “R2” is an alkyl group or alkoxyl group whose number of carbon atoms is from 1 to 8; and “q” is an integer of from 1 to 100.Type: ApplicationFiled: July 14, 2008Publication date: October 6, 2011Applicants: KABUSHIKI KAISHA TOYOTA JIDOSHOKKI, ARAKAWA CHEMICAL INDUSTRIES, LTD.Inventors: Hitotoshi Murase, Toshio Otagiri, Kyoichi Kinoshita, Katsufumi Tanaka, Manabu Miyoshi