Patents by Inventor Toshiyuki Yokoi

Toshiyuki Yokoi 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: 20210324855
    Abstract: An oil pump includes: an outer rotor including internal teeth; an inner rotor including external teeth meshing with the internal teeth; a drive shaft connected to the inner rotor and configured to rotationally drive the inner rotor; and a housing including a pump chamber accommodating the inner and outer rotors. In the housing, a suction port and a discharge port are formed. The discharge port includes a first discharge port and a second discharge port. The suction port includes first and second suction ports respectively disposed on the same side as the first and second discharge ports. A pressure reducing oil passage communicating with the second discharge port and configured to reduce pressure of oil in the second discharge port is formed on the side of the second discharge port.
    Type: Application
    Filed: March 19, 2021
    Publication date: October 21, 2021
    Applicant: AISIN SEIKI KABUSHIKI KAISHA
    Inventors: Toshiyuki YOKOI, Hirokazu HATA, Yusuke NAKAYAMA
  • Publication number: 20210299642
    Abstract: The present invention relates to a process for the preparation of a zeolitic material SiO2 and X2O3 in its framework structure, wherein X stands for a trivalent element, wherein said process comprises interzeolitic conversion of a first zeolitic material comprising SiO2 and X2O3 in its framework structure, wherein the first zeolitic material has an FER-, TON-, MTT-, BEA-, MEL-, MWW-, MFS-, and/or MFI-type framework structure to a second zeolitic material comprising SiO2 and X2O3 in its framework structure, wherein the second zeolitic material obtained in (2) has a different type of framework structure than the first zeolitic material. Furthermore, the present invention relates to a zeolitic material per se as obtainable and/or obtained according to the inventive process and to its use, in particular as a molecular sieve, as an adsorbent, for ion-exchange, or as a catalyst and/or as a catalyst support.
    Type: Application
    Filed: June 18, 2019
    Publication date: September 30, 2021
    Inventors: Andrei-Nicolae PARVULESCU, Robert MCGUIRE, Ulrich MUELLER, Xiangju MENG, Feng-Shou XIAO, Toshiyuki YOKOI, Dirk DE VOS, Bernd MARLER, Hermann GIES, Ute KOLB, Weiping ZHANG
  • Publication number: 20210261423
    Abstract: A process for preparing a zeolitic material having an AEI-type framework structure having SiO2 and X2O3 in its framework, X standing for a trivalent element, may involve: (1) preparing a mixture of structure directing agent(s) and a first zeolitic material with SiO2 and X2O3 in its framework, the first zeolitic material having a FER, TON, MTT, FAU, GIS, MOR, BEA, MFI, and LTA framework; (2) heating the mixture to obtain a second zeolitic material having an AEI-type framework with SiO2 and X2O3 in its framework; (3) optionally calcining the second zeolitic material; (4) optionally subjecting the zeolitic material from (2) or (3) to ion-exchange, preferably ion-exchanging ionic extra-framework element(s) in the zeolite framework for H+ and/or NH4+; (5) calcining the zeolitic material from (2), (3), or (4) at greater than 600 to 900° C., the calcining atmosphere containing less than 10 vol.-% of H2O. Such zeolites can convert oxygenates to olefins.
    Type: Application
    Filed: June 18, 2019
    Publication date: August 26, 2021
    Applicant: BASF SE
    Inventors: Andrei-Nicolae PARVULESCU, Robert MCGUIRE, Ulrich MUELLER, Toshiyuki YOKOI, Hermann GIES, Bernd MARLER, Dirk DEVOS, Ute KOLB, Feng-Shou XIAO, Weiping ZHANG, Xiangju MENG, Yong WANG
  • Patent number: 11072535
    Abstract: A zeolitic material having framework type CHA, comprising a transition metal M and an alkali metal A, and having a framework structure comprising a tetravalent element Y, a trivalent element X and O, wherein the transition metal M is a transition I metal of groups 7 to 12 of the periodic table, A is one or more of K and Cs, Y is one or more of Si, Ge, Ti, Sn and Zr, and X is one or more of Al, B, Ga and In. A process for preparing such a zeolitic material. Use of such a zeolitic material.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: July 27, 2021
    Assignee: BASF SE
    Inventors: Mathias Feyen, Ulrich Mueller, Xinhe Bao, Weiping Zhang, Dirk De Vos, Hermann Gies, Feng-Shou Xiao, Toshiyuki Yokoi, Ute Kolb, Bernd Marler, Yong Wang, Trees De Baerdemaeker, Chuan Shi, Xiulian Pan, Xiangju Meng
  • Publication number: 20210213433
    Abstract: A CON zeolite satisfying the following (1) to (2):(1) The framework is CON as per the code specified by the International Zeolite Association (IZA); and (2) It contains silicon and aluminum, and the molar ratio of aluminum to silicon is 0.04 or more.
    Type: Application
    Filed: March 8, 2021
    Publication date: July 15, 2021
    Applicants: Mitsubishi Chemical Corporation, JAPAN TECHNOLOGICAL RESEARCH ASSOCIATION OF ARTIFICIAL PHOTOSYNTHETIC CHEMICAL
    Inventors: Hiroaki ONOZUKA, Masahiro HARA, Masato YOSHIOKA, Toshiyuki YOKOI
  • Publication number: 20210162385
    Abstract: The present invention relates to a rare earth element containing zeolitic material having a framework structure selected from the group consisting of AEI, AFT, AFV, AFX, AVL, CHA, EMT, GME, KFI, LEV, LTN, and SFW, including mixtures of two or more thereof, the framework structure of the zeolitic material comprising SiO2 and X2O3, wherein X stands for a trivalent element, wherein the zeolitic material displays an SiO2:X2O3 molar ratio in the range of from 2 to 20, and wherein the zeolitic material contains one or more rare earth elements as counter-ions at the ion exchange sites of the framework structure. Furthermore, the present invention relates to a process for the production of the inventive rare earth element containing zeolitic material as well as to the use of the inventive rare earth element containing zeolitic material as such and as obtainable and/or obtained according to the inventive process.
    Type: Application
    Filed: May 23, 2019
    Publication date: June 3, 2021
    Applicant: BASF SE
    Inventors: Andrei-Nicolae PARVULESCU, Robert MCGUIRE, Ulrich MUELLER, Weiping ZHANG, Xiangju MENG, Feng-Shou XIAO, Toshiyuki YOKOI, Hermann GIES, Bernd MARLER, Ute KOLB, Dirk DE VOS
  • Publication number: 20210101801
    Abstract: A process for preparing a porous oxidic material with micropores and mesopores and a zeolitic material having an AEI framework with a tetravalent element Y, a trivalent element X and oxygen, the micropores having a pore diameter determined by nitrogen adsorption-desorption at 77 K of less than 2 nm and the mesopores having a pore diameter of from 2 to 50 nm, the process involving subjecting a synthesis mixture to hydrothermal crystallization at a crystallization temperature of from 90 to 200° C., to obtain a mother liquor containing the porous oxidic material having the zeolitic AEI framework.
    Type: Application
    Filed: January 22, 2019
    Publication date: April 8, 2021
    Applicant: BASF SE
    Inventors: Robert MCGUIRE, Ulrich MUELLER, Feng-Shou XIAO, Xiangju MENG, Xinhe BAO, Xiulian PAN, Toshiyuki YOKOI, Dirk DE VOS, Ute KOLB, Hermann GIES, Bernd MARLER, Weiping ZHANG
  • Publication number: 20210101800
    Abstract: Provided is a crystalline layered silicate, having an X-ray diffraction pattern comprising reflections at 2-theta values of (5.3±0.2)°, (8.6±0.2)°, (9.8±0.2)°, (21.7±0.2)° and (22.7±0.2). Also provided are a process for preparing the crystalline layered silicate and uses of the layered silicate. The process comprises steps of: (i) preparing a synthesis mixture comprising water, a source of Si, and a structure directing agent comprising a diethyldimethylammonium compound; (ii) subjecting the synthesis mixture obtained from (i) to hydrothermal synthesis conditions comprising heating the synthesis mixture obtained from (i) to a temperature in the range of from 110 to 180° C. and keeping the synthesis mixture at a temperature in this range under autogenous pressure for 1 to 6 days, obtaining a mother liquor comprising the crystalline layered silicate.
    Type: Application
    Filed: February 21, 2019
    Publication date: April 8, 2021
    Applicant: BASF SE
    Inventors: Mathias FEYEN, Ulrich MUELLER, Xinhe BAO, Weiping ZHANG, Dirk DE VOS, Hermann GIES, Feng-Shou XIAO, Toshiyuki YOKOI, Ute KOLB, Bernd MARLER, Yong WANG, Trees DE BAERDEMAEKER, Chuan SHI, Xiulian PAN, Xiangju MENG, Antje GRUENEWALD-LUEKE
  • Publication number: 20210053041
    Abstract: A process for preparing a zeolitic material comprising Ti, having framework type CHA and having a framework structure which comprises Si and O, said process comprising (i) preparing a pre-synthesis mixture comprising water, a CHA framework structure directing agent, and a zeolitic material comprising Ti, having framework type MFI and having a framework structure which comprises Si and O; (ii) removing water from the pre-synthesis mixture obtained from (i) by heating the pre-synthesis mixture to a temperature of less than 100° C. at a pressure of less than 1 bar (abs); (iii) hydrothermally crystallizing the zeolitic material comprising Ti, having framework type CHA and having a framework structure which comprises Si and O.
    Type: Application
    Filed: January 23, 2019
    Publication date: February 25, 2021
    Applicant: BASF SE
    Inventors: Mathias FEYEN, Ulrich MUELLER, Xinhe BAO, Weiping ZHANG, Dirk DE VOS, Hermann GIES, Feng-Shou XIAO, Toshiyuki YOKOI, Ute KOLB, Bernd MARLER, Yong WANG, Trees DE BAERDEMAEKER, Chuan SHI, Xiangju MENG, Xiulian PAN
  • Patent number: 10870583
    Abstract: A process for preparing a zeolitic material containing YO2 and X2O3, where Y and X represent a tetravalent element and a trivalent element, respectively, is described. The process includes (1) a step of preparing a mixture containing one or more structure directing agents, seed crystals, and a first zeolitic material containing YO2 and X2O3 and having FAU-, GIS-, MOR-, and/or LTA-type framework structures; and (2) a step of heating the mixture for obtaining a second zeolitic material containing YO2 and X2O3 and having a different framework structure than the first zeolitic material. The mixture prepared in (1) and heated in (2) contains 1000 wt % or less of H2O based on 100 wt % of YO2 in the framework structure of the first zeolitic material. A zeolitic material obtainable and/or obtained by the process and its use are also described.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: December 22, 2020
    Assignee: BASF SE
    Inventors: Robert McGuire, Mathias Feyen, Ulrich Mueller, Xinhe Bao, Weiping Zhang, Dirk De Vos, Hermann Gies, Feng-Shou Xiao, Toshiyuki Yokoi, Ute Kolb, Bernd Marler, Chuan Shi, Xiulian Pan, Xiangju Meng, Stefan Maurer, Yu Dai, Yong Wang, Trees De Baerdemaeker
  • Publication number: 20200276571
    Abstract: Provided are a process for the preparation of an iron containing zeolitic material having an AEI framework structure using a quaternary phosphonium cation, as well as an iron containing zeolitic material per se as obtainable or obtained according to the process. Furthermore, an exhaust gas treatment system comprising the iron containing zeolitic material and the use of the iron containing zeolitic material as a catalyst are provided.
    Type: Application
    Filed: November 8, 2018
    Publication date: September 3, 2020
    Applicant: BASF SE
    Inventors: Mathias FEYEN, Ulrich MUELLER, Xinhe BAO, Weiping ZHANG, Dirk DE VOS, Hermann GIES, Feng-Shou XIAO, Toshiyuki YOKOI, Ute KOLB, Bernd MARLER, Yong WANG, Trees DE BAERDEMAEKER, Chuan SHI, Xiangju MENG, Xiulian PAN
  • Publication number: 20200223705
    Abstract: A zeolitic material having framework type CHA, comprising a transition metal M and an alkali metal A, and having a framework structure comprising a tetravalent element Y, a trivalent element X and 0, wherein the transition metal M is a transition metal of groups 7 to 12 of the periodic table, A is one or more of K and Cs, Y is one or more of Si, Ge, Ti, Sn and Zr, and X is one or more of Al, B, Ga and In. A process for preparing such a zeolitic material. Use of such a zeolitic material.
    Type: Application
    Filed: August 3, 2018
    Publication date: July 16, 2020
    Applicant: BASF SE
    Inventors: Mathias FEYEN, Ulrich MUELLER, Xinhe BAO, Weiping ZHANG, Dirk DE VOS, Hermann GIES, Feng-Shou XIAO, Toshiyuki YOKOI, Ute KOLB, Bernd MARLER, Yong WANG, Trees DE BAERDEMAEKER, Chuan SHI, Xiulian PAN, Xiangju MENG
  • Patent number: 10596518
    Abstract: The present invention relates to a process for the production of a zeolitic material having a BEA-type framework structure comprising YO2 and X2O3, wherein said process comprises the steps of (1) preparing a mixture comprising one or more sources for YO2 and one or more sources for X2O3; (2) crystallizing the mixture obtained in step (1); (3) subjecting the zeolitic material having a BEA-type framework structure obtained in step (2) to an ion-exchange procedure with Cu; and (4) subjecting the Cu ion-exchanged zeolitic material obtained in step (3) to an ion-exchange procedure with Fe; wherein Y is a tetravalent element, and X is a trivalent element, wherein the mixture provided in step (1) and crystallized in step (2) further comprises seed crystals comprising one or more zeolitic materials having a BEA-type framework structure, and wherein the mixture provided in step (1) and crystallized in step (2) does not contain an organotemplate as a structure-directing agent, as well as to the zeolitic material having
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: March 24, 2020
    Assignees: BASF SE, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Mathias Feyen, Stefan Maurer, Ulrich Mueller, Xinhe Bao, Weiping Zhang, Dirk De Vos, Hermann Gies, Feng-Shou Xiao, Toshiyuki Yokoi, Bilge Yilmaz
  • Publication number: 20200047167
    Abstract: A CON zeolite satisfying the following (1) to (2): (1) The framework is CON as per the code specified by the International Zeolite Association (IZA); and (2) It contains silicon and aluminum, and the molar ratio of aluminum to silicon is 0.04 or more.
    Type: Application
    Filed: October 8, 2019
    Publication date: February 13, 2020
    Applicants: Mitsubishi Chemical Corporation, JAPAN TECHNOLOGICAL RESEARCH ASSOCIATION OF ARTIFICIAL PHOTOSYNTHETIC CHEMICAL PROCESS
    Inventors: Hiroaki Onozuka, Masahiro Hara, Masato Yoshioka, Toshiyuki Yokoi
  • Patent number: 10478810
    Abstract: A zeolite catalyst capable of maintaining a high conversion of raw materials over a long period of time, and a method of producing a lower olefin stably over a long period of time using the zeolite catalyst is to be provided. A CON zeolite catalyst containing aluminum (Al) as a constituent element, wherein the CON zeolite catalyst has a ratio ((A2/A1)×100 (%)) of an integrated intensity area (A2) of signal intensity in a range from 57.5 ppm to 70 ppm to an integrated intensity area (A1) of signal intensity in a range from 45 ppm to 70 ppm is not less than 49.0% when analyzed by 27Al-MAS-NMR is prepared, and a lower olefin is produced by a MTO process using the zeolite catalyst.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: November 19, 2019
    Assignees: Mitsubishi Chemical Corporation, JAPAN TECHNOLOGICAL RESEARCH ASSOCIATION OF ARTIFICIAL PHOTOSYNTHETIC CHEMICAL PROCESS
    Inventors: Hiroaki Onozuka, Masahiro Hara, Masato Yoshioka, Toshiyuki Yokoi
  • Publication number: 20190300375
    Abstract: A process for preparing a zeolitic material containing YO2 and X2O3, where Y and X represent a tetravalent element and a trivalent element, respectively, is described. The process includes (1) a step of preparing a mixture containing one or more structure directing agents, seed crystals, and a first zeolitic material containing YO2 and X2O3 and having FAU-, GIS-, MOR-, and/or LTA-type framework structures; and (2) a step of heating the mixture for obtaining a second zeolitic material containing YO2 and X2O3 and having a different framework structure than the first zeolitic material. The mixture prepared in (1) and heated in (2) contains 1000 wt % or less of H2O based on 100 wt % of YO2 in the framework structure of the first zeolitic material. A zeolitic material obtainable and/or obtained by the process and its use are also described.
    Type: Application
    Filed: December 13, 2017
    Publication date: October 3, 2019
    Applicant: BASF SE
    Inventors: Robert MCGUIRE, Mathias FEYEN, Ulrich MUELLER, Xinhe BAO, Weiping ZHANG, Dirk DE VOS, Hermann GIES, Feng-Shou XIAO, Toshiyuki YOKOI, Ute KOLB, Bernd MARLER, Chuan SHI, Xiulian PAN, Xiangju MENG, Stefan MAURER, Yu DAI, Yong WANG, Trees DE BAERDEMAEKER
  • Publication number: 20190287716
    Abstract: A transformer includes a core configured to form a magnetic circuit and including a gap in at least a part of the core; a bobbin mounted on the core; a first winding wire that is wound on the bobbin in two or more separate layers including a layer closest to the gap and a layer farther away from the gap than the layer; and a second winding wire insulated from the first winding wire, and including a layer of the second winding wire wound between the layer and the layer of the first winding wire. The layer and the layer of the first winding wire are connected in series.
    Type: Application
    Filed: September 20, 2017
    Publication date: September 19, 2019
    Applicant: OMRON Corporation
    Inventors: Takeo NISHIKAWA, Toshiyuki YOKOI, Takayoshi TAWARAGI
  • Publication number: 20180264445
    Abstract: A zeolite catalyst capable of maintaining a high conversion of raw materials over a long period of time, and a method of producing a lower olefin stably over a long period of time using the zeolite catalyst is to be provided. A CON zeolite catalyst containing aluminum (Al) as a constituent element, wherein the CON zeolite catalyst has a ratio ((A2/A1)×100 (%)) of an integrated intensity area (A2) of signal intensity in a range from 57.5 ppm to 70 ppm to an integrated intensity area (A1) of signal intensity in a range from 45 ppm to 70 ppm is not less than 49.0% when analyzed by 27Al-MAS-NMR is prepared, and a lower olefin is produced by a MTO process using the zeolite catalyst.
    Type: Application
    Filed: May 24, 2018
    Publication date: September 20, 2018
    Applicants: Mitsubishi Chemical Corporation, JAPAN TECHNOLOGICAL RESEARCH ASSOCIATION OF ARTIFICIAL PHOTOSYNTHETIC CHEMICAL PROCESS
    Inventors: Hiroaki Onozuka, Masahiro Hara, Masato Yoshioka, Toshiyuki Yokoi
  • Patent number: 10079545
    Abstract: A current resonant type DC voltage converter includes: a switching circuit configured to generate an AC voltage from a DC input voltage; a LC resonance circuit configured to resonate in response to application of the AC voltage to a resonant capacitor and a resonant coil; a transformer having a primary side connected in series to the LC resonance circuit; a parallel resonant inductance present in parallel to the transformer; a rectifier circuit configured to rectify a current appearing on a secondary side of the transformer to generate a DC output voltage; and a parallel resonant inductance adjustment circuit configured to change the parallel resonant inductance.
    Type: Grant
    Filed: February 19, 2015
    Date of Patent: September 18, 2018
    Assignee: OMRON Corporation
    Inventors: Takeo Nishikawa, Takashi Hyodo, Toshiyuki Yokoi
  • Publication number: 20170054379
    Abstract: A current resonant type DC voltage converter includes: a switching circuit configured to generate an AC voltage from a DC input voltage; a LC resonance circuit configured to resonate in response to application of the AC voltage to a resonant capacitor and a resonant coil; a transformer having a primary side connected in series to the LC resonance circuit; a parallel resonant inductance present in parallel to the transformer; a rectifier circuit configured to rectify a current appearing on a secondary side of the transformer to generate a DC output voltage; and a parallel resonant inductance adjustment circuit configured to change the parallel resonant inductance.
    Type: Application
    Filed: February 19, 2015
    Publication date: February 23, 2017
    Applicant: OMRON Corporation
    Inventors: Takeo NISHIKAWA, Takashi HYODO, Toshiyuki YOKOI