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).

  • Publication number: 20250146985
    Abstract: To provide a method for controlling a liquid chromatograph mass spectrometer by which contamination of a mobile phase solvent caused by a foreign substance can be detected without using an internal standard substance. The method for controlling a liquid chromatograph mass spectrometer according to the present disclosure includes: calculating a first ratio of signal intensities at a first time point and a second time point when measurement is performed using a first mobile phase solvent; calculating a second ratio of signal intensities at the first time point and the second time point when measurement is further performed using a second mobile phase solvent; and determining whether or not the second mobile phase solvent is contaminated according to an absolute difference between the first ratio and the second ratio.
    Type: Application
    Filed: September 21, 2022
    Publication date: May 8, 2025
    Applicant: HITACHI HIGH-TECH CORPORATION
    Inventors: Yuka Sugawara, Hiroyuki Yasuda, Riku Tamura, Tsugunao Toma, Yuichiro Hashimoto, Masuyuki Sugiyama
  • Publication number: 20250149346
    Abstract: A method of forming an electromagnetic-wave shield includes forming a conductive layer and forming an insulating layer. The forming the conductive layer forms a conductive layer having a plurality of openings onto an upper face and a side face of a surface of an object. The forming the insulating layer forms an insulating layer that is continuous from a surface of the conductive layer to the surface of the object through the plurality of openings and adheres to the surface of the object.
    Type: Application
    Filed: March 13, 2023
    Publication date: May 8, 2025
    Inventors: Hideo NAKAMORI, Tomoo FUKUDA, Yukihiro WAKABAYASHI, Kohji TAKEUCHI, Yohei SHIREN, Takashi FUJITA, Hiroyuki HIRATSUKA, Asato TAMURA, Tohru HASEGAWA
  • Patent number: 12287137
    Abstract: A snow making apparatus includes: a snow making container having an inner space for snow making; a supply unit configured to supply fine snow or fine water droplets to the inner space; a catching unit configured to catch the fine snow or the fine snow formed of the water droplets; and a drive unit configured to move the catching unit toward a place where the fine snow is flying in the inner space. The catching unit is configured to be shaken thereby making snow caught by the catching unit fall off from the catching unit.
    Type: Grant
    Filed: January 10, 2022
    Date of Patent: April 29, 2025
    Assignee: ESPEC CORP.
    Inventors: Hiroyuki Enoki, Kouki Sakane, Koshi Tamura
  • Publication number: 20250059331
    Abstract: Provided is a method to reduce allyl group-containing impurities in an oxypropylene group-containing glycol ether using a relatively easy and simple industrial facility and reaction process, to enable the hydrosilylation reaction products and oxypropylene group-containing glycol ether to be easily separated by distillation, or the like, to prevent the oxypropylene group-containing glycol ether from adversely affecting the polymerization reaction when used as a reaction solvent or diluent for polyether-polysiloxane block copolymers, and to easily produce the oxypropylene group-containing glycol ether at low cost. A method for producing oxypropylene group-containing glycol ethers, comprises a step of inducing a hydrosilylation reaction of an allyl group-containing impurity included in an oxypropylene group-containing glycol ether and a silicon atom-bonded hydrogen atom (Si—H)-containing compound.
    Type: Application
    Filed: December 15, 2022
    Publication date: February 20, 2025
    Inventors: Son Thanh PHAN, Seiki TAMURA, Hiroyuki INAGAKI
  • 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: 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