Patents by Inventor Hiroyuki Tamura

Hiroyuki Tamura 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: 11976857
    Abstract: A refrigeration cycle device according to the present disclosure includes: a refrigerant circuit including a compressor, a heat-source-side heat exchanger, a first expansion device, and a load-side heat exchanger, refrigerant cycling through the compressor, the heat-source-side heat exchanger, the first expansion device, and the load-side heat exchanger; a plurality of controllers configured to control the refrigerant circuit; a bypass pipe branching from a high pressure pipe on a discharge side of the compressor and connected to a low pressure pipe on a suction side of the compressor; a second expansion device provided to the bypass pipe, and configured to adjust a flow rate of the refrigerant flowing through the bypass pipe; and a plurality of refrigerant coolers provided to the bypass pipe, and configured to cool the plurality of controllers by using the refrigerant the flow rate of which is adjusted by the second expansion device, each of the plurality of refrigerant coolers including a refrigerant coolin
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: May 7, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Takanori Koike, Naomichi Tamura, Hiroyuki Morimoto
  • Patent number: 11916191
    Abstract: A method for producing a sulfide solid electrolyte having an argyrodite-type crystal structure may involve: mixing a raw material containing elemental phosphorus at an integrated power of 0.5 kWh/kg or more, and heat-treating a precursor obtained in the mixing at 350 to 500° C.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: February 27, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Minoru Senga, Katsuhito Kondo, Naoya Masuda, Hironari Kimpara, Futoshi Utsuno, Hiroyuki Tamura
  • Patent number: 11664530
    Abstract: Provided is a method for producing a solid electrolyte having peaks at 2?=20.2°±0.5° and 23.6°±0.5° in X-ray diffractometry using a CuK? ray and containing a lithium element, a phosphorus element, a sulfur element, and a halogen element, the method including using raw materials containing yellow phosphorus and a compound containing a lithium element, a sulfur element, and a halogen element.
    Type: Grant
    Filed: July 16, 2019
    Date of Patent: May 30, 2023
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Minoru Senga, Hiroyuki Tamura
  • Publication number: 20210367266
    Abstract: Provided is a method for producing a solid electrolyte having peaks at 2?=20.2°±0.5° and 23.6°±0.5° in X-ray diffractometry using a CuK? ray and containing a lithium element, a phosphorus element, a sulfur element, and a halogen element, the method including using raw materials containing yellow phosphorus and a compound containing a lithium element, a sulfur element, and a halogen element.
    Type: Application
    Filed: July 16, 2019
    Publication date: November 25, 2021
    Applicant: IDEMITSU KOSAN CO.,LTD.
    Inventors: Takayoshi KAMBARA, Minoru SENGA, Hiroyuki TAMURA
  • Publication number: 20210005924
    Abstract: A method for producing a sulfide solid electrolyte having an argyrodite-type crystal structure may involve: mixing a raw material containing elemental phosphorus at an integrated power of 0.5 kWh/kg or more, and heat-treating a precursor obtained in the mixing at 350 to 500° C.
    Type: Application
    Filed: March 1, 2019
    Publication date: January 7, 2021
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi KAMBARA, Minoru SENGA, Katsuhito KONDO, Naoya MASUDA, Hironari KIMPARA, Futoshi UTSUNO, Hiroyuki TAMURA
  • Patent number: 10511052
    Abstract: An electrolyte sheet including an electrolyte layer that includes electrolyte particles and a binder, and a base material stacked on the electrolyte layer, wherein the electrolyte particles have an ionic conductivity of 1.0×10?5 S/cm or more; the ratio of the electrolyte particles relative to the total weight of the electrolyte particles and the binder is 50 wt % or more and 99.5 wt % or less; and, after transferring the electrolyte layer in a transfer test, the electrolyte particles and the binder do not remain on the base material, and the electrolyte layer is transferred to an object without peeling.
    Type: Grant
    Filed: November 28, 2012
    Date of Patent: December 17, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Hitomi Adachi, Hiroyuki Tamura, Toshiaki Tsuno
  • Patent number: 10090558
    Abstract: A solid electrolyte glass at least including: at least one alkali metal element; a phosphorus (P) element; a sulfur (S) element; and one or more halogen elements selected from I, Cl, Br and F; wherein the solid electrolyte glass has two exothermic peaks that are separated from each other in a temperature range of 150° C. to 350° C. as determined by differential scanning calorimetry (in a dry nitrogen atmosphere at a temperature-elevating speed of 10° C./min from 20 to 600° C.).
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: October 2, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Hiroyuki Higuchi, Hiroyuki Tamura, Masaru Nakagawa, Tadanori Junke
  • Publication number: 20170222261
    Abstract: A solid electrolyte glass at least including: at least one alkali metal element; a phosphorus (P) element; a sulfur (S) element; and one or more halogen elements selected from I, Cl, Br and F; wherein the solid electrolyte glass has two exothermic peaks that are separated from each other in a temperature range of 150° C. to 350° C. as determined by differential scanning calorimetry (in a dry nitrogen atmosphere at a temperature-elevating speed of 10° C./min from 20 to 600° C.).
    Type: Application
    Filed: April 20, 2017
    Publication date: August 3, 2017
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi KAMBARA, Hiroyuki HIGUCHI, Hiroyuki TAMURA, Masaru NAKAGAWA, Tadanori JUNKE
  • Publication number: 20170214081
    Abstract: A solid electrolyte composition comprising: a solid electrolyte that comprises Li; and a solvent represented by the following formula (1). R1—(C?O)—R2 (1) wherein in the formula (1), R1 and R2 are independently a hydrocarbon group including 2 or more carbon atoms.
    Type: Application
    Filed: July 23, 2015
    Publication date: July 27, 2017
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Toshiaki TSUNO, Hiroyuki TAMURA
  • Patent number: 9673482
    Abstract: A solid electrolyte glass at least including: at least one alkali metal element; a phosphorus (P) element; a sulfur (S) element; and one or more halogen elements selected from I, Cl, Br and F; wherein the solid electrolyte glass has two exothermic peaks that are separated from each other in a temperature range of 150° C. to 350° C. as determined by differential scanning calorimetry (in a dry nitrogen atmosphere at a temperature-elevating speed of 10° C./min from 20 to 600° C.).
    Type: Grant
    Filed: November 5, 2013
    Date of Patent: June 6, 2017
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Hiroyuki Higuchi, Hiroyuki Tamura, Masaru Nakagawa, Tadanori Junke
  • Publication number: 20150270571
    Abstract: A solid electrolyte glass at least including: at least one alkali metal element; a phosphorus (P) element; a sulfur (S) element; and one or more halogen elements selected from I, Cl, Br and F; wherein the solid electrolyte glass has two exothermic peaks that are separated from each other in a temperature range of 150° C. to 350° C. as determined by differential scanning calorimetry (in a dry nitrogen atmosphere at a temperature-elevating speed of 10° C./min from 20 to 600° C.).
    Type: Application
    Filed: November 5, 2013
    Publication date: September 24, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Takayoshi Kambara, Hiroyuki Higuchi, Hiroyuki Tamura, Masaru Nakagawa, Tadanori Junke
  • Publication number: 20150132638
    Abstract: An electrolyte sheet including an electrolyte layer that includes electrolyte particles and a binder, and a base material stacked on the electrolyte layer, wherein the electrolyte particles have an ionic conductivity of 1.0×10?5 S/cm or more; the ratio of the electrolyte particles relative to the total weight of the electrolyte particles and the binder is 50 wt % or more and 99.5 wt % or less; and, after transferring the electrolyte layer in a transfer test, the electrolyte particles and the binder do not remain on the base material, and the electrolyte layer is transferred to an object without peeling.
    Type: Application
    Filed: November 28, 2012
    Publication date: May 14, 2015
    Applicant: IDEMITSU KOSAN CO., LTD.
    Inventors: Hitomi Adachi, Hiroyuki Tamura, Toshiaki Tsuno
  • Patent number: 7470925
    Abstract: A magnetic body composed of non-magnetic material, includes a plurality of localized electron regions in each of which at least one electron is confined to form a localized spin, a barrier potential region having a higher energy than a Fermi energy of an electron in the localized electron region and permitting an electron to be confined in the respective localized electron regions, and a conductive electron region including a conductive electron system having a lower energy than an energy of the barrier potential region, wherein the respective localized electron regions are disposed separate from one another via the barrier potential region and the conductive electron region.
    Type: Grant
    Filed: September 2, 2003
    Date of Patent: December 30, 2008
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Hiroyuki Tamura, Hideaki Takayanagi
  • Publication number: 20080283229
    Abstract: A heat exchanger comprises outer fins; a plurality of tubes arranged alternately with the outer fins; and header tanks receiving open ends of the tubes for communication with the tubes. The header tanks each comprise a first member and a second member which are combined to each other. The first member has tube insertion slots into which the open ends of the tubes are inserted, the second member does not have the tube insertion slots. The first member is either a core material having no brazing material layers on outer and inner peripheral surfaces thereof, or a core material having a brazing material layer on an outer peripheral surface thereof but having no brazing material layer on an inner peripheral surface thereof. The second member is brazed to the outer or inner peripheral surface of the first member having no brazing material layer thereon.
    Type: Application
    Filed: July 21, 2008
    Publication date: November 20, 2008
    Inventors: Toru TAKAI, Koichi Iwasaka, Hiroyuki Tamura, Minoru Tsuchiya, Takumi Funatsu, Tsutomu Kawada
  • Patent number: 7395247
    Abstract: A book recycling promotion device registers in advance a book purchased information of a customer and an electronic mail address of the customer, calculates a current buying price of the book based on a current sales information on the book included in the book purchased information, and sends an electronic mail including the buying price and a message to promote selling-off of the book to the electronic mail address corresponding to the book purchased information.
    Type: Grant
    Filed: March 27, 2002
    Date of Patent: July 1, 2008
    Assignee: Fujitsu Limited
    Inventors: Satsuki Sokei, Hiroyuki Tamura
  • Publication number: 20080146759
    Abstract: The present invention provides a polythiocarbonate resin containing a repeating unit represented by the following general formula (1), having high transparency, refractive index, and Abbe number and excellent heat resistance and impact resistance, and an optical material using the polythiocarbonate resin. Further, the present invention provides a sulfur-containing compound having an Abbe number of 40 or more, a high refractive index, a high Abbe number, excellent transparency, excellent heat resistance, and the like, obtained by reacting a dithiol compound represented by the following general formula (II) and a diene compound represented by the following general formula (III), and thus containing a repeating unit formed of a structural unit derived from a residue of the dithiol compound and a structural unit derived from a residue of the diene compound.
    Type: Application
    Filed: April 15, 2005
    Publication date: June 19, 2008
    Inventors: Yoriyuki Takashima, Hiroyuki Tamura, Takaaki Hikosaka, Masaaki Takehana
  • Patent number: 7329718
    Abstract: The present invention relates to an aromatic polycarbonate resin which comprises repetitive units originating in residual groups of a 2,2-bis(4-hydroxyphenyl)adamantane compound and a 1,3-bis(4-hydroxyphenyl)adamantane compound having a substituent on an aromatic ring and which is excellent in a transparency, a heat resistance and a mechanical strength and has a good moldability and a production process for the aromatic polycarbonate resin described above in which the adamantane compounds described above are reacted with a carbonic ester-forming compound. Further, it relates to an aromatic polycarbonate resin which is excellent in an optical characteristic and an optical part prepared by molding the same.
    Type: Grant
    Filed: July 28, 2006
    Date of Patent: February 12, 2008
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hironobu Morishita, Hiroyuki Tamura, Yasushi Hamada
  • Publication number: 20060270823
    Abstract: The present invention relates to an aromatic polycarbonate resin which comprises repetitive units originating in residual groups of a 2,2-bis(4-hydroxyphenyl)adamantane compound and a 1,3-bis(4-hydroxyphenyl)adamantane compound having a substituent on an aromatic ring and which is excellent in a transparency, a heat resistance and a mechanical strength and has a good moldability and a production process for the aromatic polycarbonate resin described above in which the adamantane compounds described above are reacted with a carbonic ester-forming compound. Further, it relates to an aromatic polycarbonate resin which is excellent in an optical characteristic and an optical part prepared by molding the same.
    Type: Application
    Filed: July 28, 2006
    Publication date: November 30, 2006
    Applicant: Idemitsu Kosan Co., Ltd
    Inventors: Hironobu Morishita, Hiroyuki Tamura, Yasushi Hamada
  • Patent number: 7112644
    Abstract: The present invention relates to an aromatic polycarbonate resin which comprises repetitive units originating in residual groups of a 2,2-bis(4-hydroxyphenyl)adamantane compound and a 1,3-bis(4-hydroxyphenyl)adamantane compound having a substituent on an aromatic ring and which is excellent in a transparency, a heat resistance and a mechanical strength and has a good moldability and a production process for the aromatic polycarbonate resin described above in which the adamantane compounds described above are reacted with a carbonic ester-forming compound. Further, it relates to an aromatic polycarbonate resin which is excellent in an optical characteristic and an optical part prepared by molding the same.
    Type: Grant
    Filed: January 21, 2003
    Date of Patent: September 26, 2006
    Assignee: Idemitsu Kosan Co., Ltd.
    Inventors: Hironobu Morishita, Hiroyuki Tamura, Yasushi Hamada
  • Patent number: RE40725
    Abstract: A practically realizable semiconductor magnetic body having a flat-band structure is disclosed. The semiconductor magnetic body is formed by semiconductor quantum dots arranged on lattice points such that electrons can transfer between neighboring quantum dots and the electron energy band contains a flat-band structure, where each quantum dot is a structure in which electrons are confined inside a region which is surrounded by high energy potential regions, and the flat-band structure is a band structure in which energy dispersion of electrons has hardly any wave number dependency.
    Type: Grant
    Filed: October 20, 2006
    Date of Patent: June 9, 2009
    Assignee: Nippon Telegraph and Telephone Corporation
    Inventors: Hiroyuki Tamura, Kenji Shiraishi, Hideaki Takayanagi