Patents by Inventor Christopher Edward Lee

Christopher Edward Lee 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: 20240126795
    Abstract: Techniques are disclosed herein for integrating document question answering in an artificial intelligence-based platform, such as a chatbot system. The techniques include receiving a query from a user, rewriting the query to include one or more specific descriptors, computing an embedding vector for the rewritten query, retrieving one or more textual passages from a document store utilizing the embedding vector for the rewritten query, determining one or more answers to the rewritten query within the one or more textual passages, and returning the one or more answers.
    Type: Application
    Filed: October 13, 2023
    Publication date: April 18, 2024
    Applicant: Oracle International Corporation
    Inventors: Xu Zhong, Thanh Long Duong, Mark Edward Johnson, Charles Woodrow Dickstein, King-Hwa Lee, Xin Xu, Srinivasa Phani Kumar Gadde, Vishal Vishnoi, Christopher Kennewick, Balakota Srinivas Vinnakota, Raefer Christopher Gabriel
  • Patent number: 11316193
    Abstract: A lithium borosilicate composition, consisting essentially of a system of lithium oxide in combination with silicon oxide and boron oxide, wherein said lithium borosilicate comprises between 70-83 atomic % lithium based on the combined atomic percentages of lithium, boron and silicon, and wherein said lithium borosilicate is a glass, is disclosed.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: April 26, 2022
    Assignee: Ilika Technologies Limited
    Inventors: David Michael Laughman, Christopher Edward Lee, Laura Mary Perkins, Isabel Alexandra Domingues Tarroso Gomes, Brian Elliott Hayden
  • Publication number: 20220069291
    Abstract: A composite material for use as an electrode of an electrochemical cell comprises: a matrix that is provided by matrix particles that comprise an electrode active material; and a conductive fraction that is both electronically-conductive and ionically-conductive, the conductive fraction being provided by conductive particles that are distributed among the matrix particles. The conductive particles comprise either a material that is both ionically- and electronically-conductive; or a mixture of ionically-conductive particles and electronically-conductive particles, the electronically-conductive particles having a sphericity of at least 0.6. The conductive particles have a D90 value that is at least 10% of the D50 value of the matrix particles.
    Type: Application
    Filed: December 20, 2019
    Publication date: March 3, 2022
    Inventors: Christopher Edward LEE, David LAUGHMAN, Sergey YAKOVLEV, Lichun CHEN
  • Patent number: 10865480
    Abstract: A vapour deposition method for preparing an amorphous lithium-containing oxide or oxynitride compound not containing phosphorous comprises providing a vapour source of each component element of the compound, including at least a source of lithium, a source of oxygen, a source of nitrogen in the case of an oxynitride compound, and a source or sources of one or more glass-forming elements; heating a substrate to substantially 180° C. or above; and co-depositing the component elements from the vapour sources onto the heated substrate wherein the component elements react on the substrate to form the amorphous compound.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: December 15, 2020
    Assignees: Ilika Technologies Limited, Toyota Motor Corporation
    Inventors: Brian Elliott Hayden, Duncan Clifford Alan Smith, Christopher Edward Lee, Alexandros Anastasopoulos, Chihiro Yada, Laura Mary Perkins, David Michael Laughman
  • Patent number: 10490805
    Abstract: A vapor deposition method for preparing a multi-layered thin film structure comprises providing a vapor source of each component element of a compound intended for a first layer and a compound intended for a second layer, wherein the vapor sources comprise at least a source of lithium, a source of oxygen, a source or sources of one or more glass-forming elements, and a source or sources of one or more transition metals; heating a substrate to a first temperature; co-depositing component elements from at least the vapor sources of lithium, oxygen and the one or more transition metals onto the heated substrate wherein the component elements react on the substrate to form a layer of a crystalline lithium-containing transition metal oxide compound; heating the substrate to a second temperature within a temperature range of substantially 170° C.
    Type: Grant
    Filed: January 7, 2015
    Date of Patent: November 26, 2019
    Assignee: Ilika Technologies Limited
    Inventors: Duncan Clifford Alan Smith, Brian Elliott Hayden, Christopher Edward Lee, Alexandros Anastasopoulos, Laura Mary Perkins, Kyle James Hutchings
  • Publication number: 20190341652
    Abstract: A lithium borosilicate composition, consisting essentially of a system of lithium oxide in combination with silicon oxide and boron oxide, wherein said lithium borosilicate comprises between 70-83 atomic % lithium based on the combined atomic percentages of lithium, boron and silicon, and wherein said lithium borosilicate is a glass, is disclosed.
    Type: Application
    Filed: June 12, 2017
    Publication date: November 7, 2019
    Inventors: David Michael LAUGHMAN, Christopher Edward LEE, Laura Mary PERKINS, Isabel Alexandra DOMINGUES TARROSO GOMES, Brian Elliott HAYDEN
  • Patent number: 9533886
    Abstract: The present invention provides a vapour deposition process for the preparation of a phosphate compound, wherein the process comprises providing each component element of the phosphate compound as a vapour, and co-depositing the component element vapours on a common substrate, wherein the component elements react on the substrate to form the phosphate compound.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: January 3, 2017
    Assignees: Ilika Technologies Ltd., Toyota Motor Corporation
    Inventors: Brian Elliott Hayden, Christopher Edward Lee, Duncan Clifford Alan Smith, Mark Stephen Beal, Xiaojuan Lu, Chihiro Yada
  • Publication number: 20160340784
    Abstract: A vapour deposition method for preparing an amorphous lithium-containing oxide or oxynitride compound not containing phosphorous comprises providing a vapour source of each component element of the compound, including at least a source of lithium, a source of oxygen, a source of nitrogen in the case of an oxynitride compound, and a source or sources of one or more glass-forming elements; heating a substrate to substantially 180° C. or above; and co-depositing the component elements from the vapour sources onto the heated substrate wherein the component elements react on the substrate to form the amorphous compound.
    Type: Application
    Filed: January 7, 2015
    Publication date: November 24, 2016
    Inventors: Brian Elliott Hayden, Duncan Clifford Alan Smith, Christopher Edward Lee, Alexandros Anastasopoulos, Chihiro Yada, Laura Mary Perkins, David Michael Laughman
  • Publication number: 20160340772
    Abstract: A vapour deposition method for preparing a crystalline lithium-containing transition metal oxide compound comprises providing a vapour source of each component element of the compound, including at least a source of lithium, a source of oxygen, and a source or sources of one or more transition metals; heating a substrate to between substantially 150° C. and substantially 450° C.; and co-depositing the component elements from the vapour sources onto the heated substrate wherein the component elements react on the substrate to form the crystalline compound.
    Type: Application
    Filed: January 7, 2015
    Publication date: November 24, 2016
    Inventors: Duncan Clifford Alan Smith, Brian Elliott Hayden, Laura Mary Perkins, Christopher Edward Lee, Alexandros Anastasopoulos, Kyle James Hutchings, Sergey Yakovlev
  • Publication number: 20160336583
    Abstract: A vapour deposition method for preparing a multi-layered thin film structure comprises providing a vapour source of each component element of a compound intended for a first layer and a compound intended for a second layer, wherein the vapour sources comprise at least a source of lithium, a source of oxygen, a source or sources of one or more glass-forming elements, and a source or sources of one or more transition metals; heating a substrate to a first temperature; co-depositing component elements from at least the vapour sources of lithium, oxygen and the one or more transition metals onto the heated substrate wherein the component elements react on the substrate to form a layer of a crystalline lithium-containing transition metal oxide compound; heating the substrate to a second temperature within a temperature range of substantially 170° C.
    Type: Application
    Filed: January 7, 2015
    Publication date: November 17, 2016
    Inventors: Duncan Clifford Alan Smith, Brian Elliott Hayden, Christopher Edward Lee, Alexandros Anastasopoulos, Laura Mary Perkins, Kyle James Hutchings
  • Patent number: 9300008
    Abstract: A main object of the present invention is to provide a Li—La—Ti—O based solid electrolyte material having high Li ion conductivity in the crystal grain boundary. The present invention attains the object by providing solid electrolyte material represented by a general formula: Li3x(La(2/3?x)?aM1a) (Ti1?bM2b)O3, wherein “x” is 0<x<0.17; “a” is 0?a?0.5; “b” is 0?b?0.5; “M1” is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and “M2” is at least one selected from the group consisting of Mg, W, Mn, Al, Ge, Ru, Nb, Ta, Co, Zr, Hf, Fe, Cr, and Ga, and wherein the solid electrolyte material is a crystalline material, is in thin film form, and has a thickness of 250 nm to 850 nm.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: March 29, 2016
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Chihiro Yada, Shoji Yokoishi, Brian Elliott Hayden, Thierry Le Gall, Duncan Clifford Alan Smith, Christopher Edward Lee
  • Patent number: 9196924
    Abstract: A main object of the present invention is to provide a solid electrolyte material having excellent Li ion conductivity. To attain the object, the present invention provides a solid electrolyte material represented by a general formula: Lix(La2?aM1a)(Ti3?bM2b)O9+?, characterized in that “x” is 0<x?1; “a” is 0?a?2; “b” is 0?b?3; “?” is ?2???2; “M1” is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and “M2” is at least one selected from the group consisting of Mg, W, Mn, Al, Ge, Ru, Nb, Ta, Co, Zr, Hf, Fe, Cr, and Ga.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: November 24, 2015
    Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Chihiro Yada, Hiroshi Suyama, Shoji Yokoishi, Brian Elliott Hayden, Thierry Le Gall, Duncan Clifford Alan Smith, Christopher Edward Lee
  • Patent number: 9067790
    Abstract: A vapor deposition process for the preparation of a chemical compound, wherein the process comprises providing each component element of the chemical compound as a vapor, and co-depositing the component element vapors on a common substrate, wherein: the vapor of at least one component element is provided using a cracking source; the vapor of at least one other component element is provided using a plasma source; and at least one further component element vapor is provided; wherein the component elements react on the substrate to form the chemical compound.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: June 30, 2015
    Assignees: Ilika Technologies Ltd., Toyota Motor Corporation
    Inventors: Brian Elliott Hayden, Christopher Edward Lee, Duncan Clifford Alan Smith, Mark Stephen Beal, Xiaojuan Lu, Chihiro Yada
  • Patent number: 8945779
    Abstract: A main object of the present invention is to provide a solid electrolyte material having excellent Li ion conductivity. To attain the object, the present invention provides a solid electrolyte material represented by a general formula: Lix(La1-aM1a)y(Ti1-bM2b)zO?, characterized in that “x”, “y”, and “z” satisfy relations of x+y+z=1, 0.652?x/(x+y+z)?0.753, and 0.167?y/(y+z)?0.232; “a” is 0?a?1; “b” is 0?b?1; “?” is 0.8???1.2; “M1” is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and “M2” is at least one selected from the group consisting of Mg, W, Mn, Al, Ge, Ru, Nb, Ta, Co, Zr, Hf, Fe, Cr, and Ga.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: February 3, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Chihiro Yada, Hiroshi Suyama, Shoji Yokoishi, Brian Elliott Hayden, Thierry Le Gall, Duncan Clifford Alan Smith, Christopher Edward Lee
  • Publication number: 20140287160
    Abstract: The present invention provides a vapour deposition process for the preparation of a phosphate compound, wherein the process comprises providing each component element of the phosphate compound as a vapour, and co-depositing the component element vapours on a common substrate, wherein the component elements react on the substrate to form the phosphate compound.
    Type: Application
    Filed: July 20, 2012
    Publication date: September 25, 2014
    Applicants: TOYOTA MOTOR CORPORATION, ILIKA TECHNOLOGIES LTD.
    Inventors: Brian Elliott Hayden, Christopher Edward Lee, Duncan Clifford Alan Smith, Mark Stephen Beal, Xiaojuan Lu, Chihiro Yada
  • Patent number: 8795902
    Abstract: A main object of the present invention is to provide a solid electrolyte material having excellent Li ion conductivity. To attain the object, the present invention provides a solid electrolyte material represented by a general formula: Lix(La1-aM1a)y(Ti1-bM2b)zO?, wherein “x”, “y”, and “z” satisfy relations of x+y+z=1, 0.850?x/(x+y+z)?0.930, and 0.087?y/(y+z)?0.115; “a” is 0?a?1; “b” is 0?b?1; “?” is 0.8???1.2; “M1” is at least one selected from the group consisting of Sr, Na, Nd, Pr, Sm, Gd, Dy, Y, Eu, Tb, and Ba; and “M2” is at least one selected from the group consisting of Mg, W, Mn, Al, Ge, Ru, Nb, Ta, Co, Zr, Hf, Fe, Cr, and Ga.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: August 5, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Chihiro Yada, Hiroshi Suyama, Shoji Yokoishi, Brian Elliot Hayden, Thierry Le Gall, Duncan Clifford Alan Smith, Christopher Edward Lee
  • Patent number: 8790841
    Abstract: A metal alloy catalyst for the oxygen reduction reaction in fuel cells is disclosed. The catalyst contains the metals Pd, M1 and M2. M1 and M2 are different metals selected from Co, Fe, Au, Cr and W, excluding the combination PdCoAu.
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: July 29, 2014
    Assignee: Ilika Technologies Ltd.
    Inventors: Karen Marie Brace, Brian Elliot Hayden, Christopher Edward Lee, Thierry Le Gall
  • Publication number: 20140072727
    Abstract: The present invention provides a vapour deposition process for the preparation of a chemical compound, wherein the process comprises providing each component element of the chemical compound as a vapour, and co-depositing the component element vapours on a common substrate, wherein: the vapour of at least one component element is provided using a cracking source; the vapour of at least one other component element is provided using a plasma source; and at least one further component element vapour is provided; wherein the component elements react on the substrate to form the chemical compound.
    Type: Application
    Filed: July 20, 2012
    Publication date: March 13, 2014
    Applicants: TOYOTA MOTOR CORPORATION, ILIKA TECHNOLOGIES LTD.
    Inventors: Brian Elliott Hayden, Christopher Edward Lee, Duncan Clifford Alan Smith, Mark Stephen Beal, Xiaojuan Lu, Chihiro Yada
  • Publication number: 20130189588
    Abstract: An object of the present invention is to provide a solid electrolyte membrane which comprises Li3xLa2/3-xTiO3 (0.05?x?0.17) and has excellent ion conductivity. Disclosed is a method for producing a solid electrolyte membrane which comprises a solid electrolyte described by the composition formula Li3xLa2/3-xTiO3 (0.05?x?0.17), the method comprising the steps of: producing a gas phase material comprising lithium, lanthanum and titanium by converting into a gas phase at least one selected from the group consisting of a lithium metal, a lanthanum metal, a titanium metal, a lithium-lanthanum alloy, a lithium-titanium alloy, a lanthanum-titanium alloy and a lithium-lanthanum-titanium alloy, and depositing an Li3xLa2/3-xTiO3 (0.05?x?0.17) thin film on a substrate by a gas phase method for reacting the gas phase material with oxygen in a single element state.
    Type: Application
    Filed: April 18, 2012
    Publication date: July 25, 2013
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Chihiro YADA, Brian Elliott HAYDEN, Duncan Clifford Alan SMITH, Christopher Edward LEE
  • Publication number: 20130130151
    Abstract: A metal alloy catalyst for the oxygen reduction reaction in fuel cells is disclosed. The catalyst contains the metals Pd, M1 and M2. M1 and M2 are different metals selected from Co, Fe, Au, Cr and W, excluding the combination PdCoAu.
    Type: Application
    Filed: November 8, 2012
    Publication date: May 23, 2013
    Applicant: Ilika Technologies Ltd.
    Inventors: Karen Marie Brace, Brian Elliot Hayden, Christopher Edward Lee, Thierry Le Gall