Patents by Inventor Hiroyasu Watanabe

Hiroyasu Watanabe 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: 12183921
    Abstract: Provided herein are positive electrode active substance particles comprising a lithium nickelate composite oxide which have a high energy density and are excellent in repeated charge/discharge cycle characteristics when charging at a high voltage, as well as a non-aqueous electrolyte secondary battery. The positive electrode active substance particles herein can each comprise a core particle X comprising a lithium nickelate composite oxide having a layer structure which is represented by the formula: Li1+aNi1-b-cCObMcO2, as defined herein; and a coating compound Y comprising at least one element selected from the group consisting of Al, Mg, Zr, Ti and Si and having an average film thickness of 0.2 to 5 nm, in which a crystal phase having a layered rock salt structure and comprising Ni2+ ions is present in the form of a layer between the core particle X and the coating compound Y.
    Type: Grant
    Filed: March 1, 2019
    Date of Patent: December 31, 2024
    Assignee: TODA KOGYO CORP.
    Inventors: Hiroyasu Watanabe, Xiang Sun, Mitchell Fetterer
  • Patent number: 11552292
    Abstract: The present invention provides lithium nickelate-based positive electrode active substance particles having a high energy density which are excellent in charge/discharge cycle characteristics when highly charged, and hardly suffer from generation of gases upon storage under high-temperature conditions, and a process for producing the positive electrode active substance particles, as well as a non-aqueous electrolyte secondary battery. The present invention relates to positive electrode active substance particles each comprising a core particle X comprising a lithium nickelate composite oxide having a layer structure which is represented by the formula: Li1+aNi1?b?cCobMcO2 wherein M is at least one element selected from the group consisting of Mn, Al, B, Mg, Ti, Sn, Zn and Zr; a is a number of ?0.1 to 0.2 (?0.1•a•0.2); b is a number of 0.05 to 0.5 (0.05•b•0.5); and c is a number of 0.01 to 0.4 (0.01•c•0.
    Type: Grant
    Filed: March 2, 2020
    Date of Patent: January 10, 2023
    Assignee: TODA KOGYO CORP.
    Inventors: Hiroyasu Watanabe, Xiang Sun
  • Patent number: 11072869
    Abstract: The present invention provides a precursor of positive electrode active substance particles for non-aqueous electrolyte secondary batteries which have a high discharge voltage and a high discharge capacity, hardly suffer from side reactions with an electrolyte solution, and are excellent in cycle characteristics, positive electrode active substance particles for non-aqueous electrolyte secondary batteries, and processes for producing these particles, and a non-aqueous electrolyte secondary battery.
    Type: Grant
    Filed: August 8, 2018
    Date of Patent: July 27, 2021
    Assignee: TODA KOGYO CORPORATION
    Inventors: Hiroyasu Watanabe, Daisuke Morita, Manabu Yamamoto, Kazumichi Koga, Akihisa Kajiyama, Hiroaki Masukuni, Hideaki Sadamura, Ryuta Masaki, Kazutoshi Matsumoto
  • Patent number: 10615414
    Abstract: The present invention provides lithium nickelate-based positive electrode active substance particles having a high energy density which are excellent in charge/discharge cycle characteristics when highly charged, and hardly suffer from generation of gases upon storage under high-temperature conditions, and a process for producing the positive electrode active substance particles, as well as a non-aqueous electrolyte secondary battery. The present invention relates to positive electrode active substance particles each comprising a core particle X comprising a lithium nickelate composite oxide having a layer structure which is represented by the formula: Li1+aNi1-b-cCobMcO2 wherein M is at least one element selected from the group consisting of Mn, Al, B, Mg, Ti, Sn, Zn and Zr; a is a number of ?0.1 to 0.2 (?0.1?a?0.2); b is a number of 0.05 to 0.5 (0.05?b?0.5); and c is a number of 0.01 to 0.4 (0.01?c?0.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: April 7, 2020
    Assignee: TODA KOGYO CORP.
    Inventors: Hiroyasu Watanabe, Xiang Sun
  • Patent number: 10161057
    Abstract: The present invention provides a precursor of positive electrode active substance particles for non-aqueous electrolyte secondary batteries which have a high discharge voltage and a high discharge capacity, hardly suffer from side reactions with an electrolyte solution, and are excellent in cycle characteristics, positive electrode active substance particles for non-aqueous electrolyte secondary batteries, and processes for producing these particles, and a non-aqueous electrolyte secondary battery.
    Type: Grant
    Filed: December 26, 2011
    Date of Patent: December 25, 2018
    Assignee: TODA KOGYO CORPORATION
    Inventors: Hiroyasu Watanabe, Daisuke Morita, Manabu Yamamoto, Kazumichi Koga, Akihisa Kajiyama, Hiroaki Masukuni, Hideaki Sadamura, Ryuta Masaki, Kazutoshi Matsumoto
  • Patent number: 9764962
    Abstract: The present invention provides lithium composite compound particles having good high-temperature storage property and excellent cycle characteristics as an active substance for a non-aqueous electrolyte secondary battery, and a secondary battery using the lithium composite compound particles. The Li—Ni composite oxide particles for a non-aqueous electrolyte secondary battery according to the present invention have a BET specific surface area of 0.05 to 0.8 m2/g; an atomic ratio (Ma/Ni) of a concentration of an amphoteric metal to a concentration of Ni on an outermost surface of the respective Li—Ni composite oxide particles is 2 to 6; and the concentration of the amphoteric metal on the outermost surface of the respective Li—Ni composite oxide particles is higher than a concentration of the amphoteric metal at a position spaced by 50 nm from the outermost surface toward a center of the respective Li—Ni composite oxide particles.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: September 19, 2017
    Assignee: TODA KOGYO CORPORATION
    Inventors: Taiki Imahashi, Hiroyasu Watanabe, Kazuhiko Kikuya, Hideaki Sadamura
  • Patent number: 9494639
    Abstract: An inspection apparatus includes a first tester and a second tester each of which tests a substrate loaded therein, a first stage on which the first tester is mounted, the first stage being movable to a first loading and unloading position and a first test position, the first test position being provided above the first loading and unloading position, a second stage on which the second tester is mounted, the second stage being provided below the first stage and being movable to a second loading and unloading position and a second test position, the second test position being provided below the second loading and unloading position, and a lift mechanism that moves the first stage up and down to the first loading and unloading position and the first test position and moves the second stage up and down to the second loading and unloading position and the second test position.
    Type: Grant
    Filed: April 22, 2014
    Date of Patent: November 15, 2016
    Assignee: FUJI XEROX CO., LTD.
    Inventor: Hiroyasu Watanabe
  • Patent number: 9455444
    Abstract: The present invention relates to lithium composite compound particles having a composition represented by the formula: Li1+xNi1?y?zCoyMzO2 (M=B or Al), wherein the lithium composite compound particles have an ionic strength ratio A (LiO?/NiO2?) of not more than 0.3 and an ionic strength ratio B (Li3CO3+/Ni+) of not more than 20 as measured on a surface of the respective lithium composite compound particles using a time-of-flight secondary ion mass spectrometer. The lithium composite compound particles of the present invention can be used as a positive electrode active substance of a secondary battery which has good cycle characteristics and an excellent high-temperature storage property.
    Type: Grant
    Filed: December 3, 2009
    Date of Patent: September 27, 2016
    Assignee: TODA KOGYO CORPORATION
    Inventors: Hiroyasu Watanabe, Taiki Imahashi, Kazuhiko Kikuya, Nobuyuki Tagami, Hideaki Sadamura
  • Patent number: 9286078
    Abstract: In an apparatus which includes a plurality of processing modules connected via a ring-shape bus, if a plurality pieces of pipeline processing to be processed in a different order is allocated to a plurality of processing modules, the transfer efficiency may decrease when an amount of data transferred from one of the processing modules to a post-stage module exceeds a processing capacity of the post-stage module. Accordingly, a module positioned on the preceding side in the pipeline processing controls a transmission interval of processed data so that the post-stage module can receive the data processed by the preceding module.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: March 15, 2016
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Hiroyasu Watanabe, Hirowo Inoue, Hisashi Ishikawa
  • Patent number: 8986571
    Abstract: The present invention aims to provide lithium composite compound particles which can exhibit good cycle characteristics and an excellent high-temperature storage property when used as a positive electrode active substance of a secondary battery, and a secondary battery using the lithium composite compound particles. The present invention relates to lithium composite compound particles having a composition represented by the compositional formula: Li1+xNi1?y?z?aCoyMnzMaO2, in which the lithium composite compound particles have an ionic strength ratio A (LiO?/NiO2?) of not more than 0.5 and an ionic strength ratio B (Li3CO3+/Ni+) of not more than 20 as measured on a surface of the respective lithium composite compound particles using a time-of-flight secondary ion mass spectrometer.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: March 24, 2015
    Assignee: Toda Kogyo Corporation
    Inventors: Hiroyasu Watanabe, Kazutoshi Ishizaki, Taiki Imahashi, Satoshi Nakamura, Osamu Sasaki
  • Publication number: 20140229639
    Abstract: In an apparatus which includes a plurality of processing modules connected via a ring-shape bus, if a plurality pieces of pipeline processing to be processed in a different order is allocated to a plurality of processing modules, the transfer efficiency may decrease when an amount of data transferred from one of the processing modules to a post-stage module exceeds a processing capacity of the post-stage module. Accordingly, a module positioned on the preceding side in the pipeline processing controls a transmission interval of processed data so that the post-stage module can receive the data processed by the preceding module.
    Type: Application
    Filed: April 28, 2014
    Publication date: August 14, 2014
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hiroyasu Watanabe, Hirowo Inoue, Hisashi Ishikawa
  • Patent number: 8754896
    Abstract: In an apparatus which includes a plurality of processing modules connected via a ring-shape bus, if a plurality pieces of pipeline processing to be processed in a different order is allocated to a plurality of processing modules, the transfer efficiency may decrease when an amount of data transferred from one of the processing modules to a post-stage module exceeds a processing capacity of the post-stage module. Accordingly, a module positioned on the preceding side in the pipeline processing controls a transmission interval of processed data so that the post-stage module can receive the data processed by the preceding module.
    Type: Grant
    Filed: October 4, 2010
    Date of Patent: June 17, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroyasu Watanabe, Hirowo Inoue, Hisashi Ishikawa
  • Publication number: 20140087262
    Abstract: The present invention provides lithium composite compound particles having good high-temperature storage property and excellent cycle characteristics as an active substance for a non-aqueous electrolyte secondary battery, and a secondary battery using the lithium composite compound particles. The Li—Ni composite oxide particles for a non-aqueous electrolyte secondary battery according to the present invention have a BET specific surface area of 0.05 to 0.8 m2/g; an atomic ratio (Ma/Ni) of a concentration of an amphoteric metal to a concentration of Ni on an outermost surface of the respective Li—Ni composite oxide particles is 2 to 6; and the concentration of the amphoteric metal on the outermost surface of the respective Li—Ni composite oxide particles is higher than a concentration of the amphoteric metal at a position spaced by 50 nm from the outermost surface toward a center of the respective Li—Ni composite oxide particles.
    Type: Application
    Filed: April 12, 2012
    Publication date: March 27, 2014
    Applicant: TODA KOGYO CORPORATION
    Inventors: Taiki Imahashi, Hiroyasu Watanabe, Kazuhiko Kikuya, Hideaki Sadamura
  • Publication number: 20140034872
    Abstract: The present invention provides a precursor of positive electrode active substance particles for non-aqueous electrolyte secondary batteries which have a high discharge voltage and a high discharge capacity, hardly suffer from side reactions with an electrolyte solution, and are excellent in cycle characteristics, positive electrode active substance particles for non-aqueous electrolyte secondary batteries, and processes for producing these particles, and a non-aqueous electrolyte secondary battery.
    Type: Application
    Filed: December 26, 2011
    Publication date: February 6, 2014
    Applicant: Toda Kogyo Corporation
    Inventors: Hiroyasu Watanabe, Daisuke Morita, Manabu Yamamoto, Kazumichi Koga, Akihisa Kajiyama, Hiroaki Masukuni, Hideaki Sadamura, Ryuta Masaki, Kazutoshi Matsumoto
  • Publication number: 20130119307
    Abstract: The present invention aims to provide lithium composite compound particles which can exhibit good cycle characteristics and an excellent high-temperature storage property when used as a positive electrode active substance of a secondary battery, and a secondary battery using the lithium composite compound particles. The present invention relates to lithium composite compound particles having a composition represented by the compositional formula: Li1+xNi1?y?z?aCoyMnzMaO2, in which the lithium composite compound particles have an ionic strength ratio A (LiO?/NiO2?) of not more than 0.5 and an ionic strength ratio B (Li3CO3+/Ni+) of not more than 20 as measured on a surface of the respective lithium composite compound particles using a time-of-flight secondary ion mass spectrometer.
    Type: Application
    Filed: June 8, 2011
    Publication date: May 16, 2013
    Applicant: TODA KOGYO CORPORATION
    Inventors: Hiroyasu Watanabe, Kazutoshi Ishizaki, Taiki Imahashi, Satoshi Nakamura, Osamu Sasaki
  • Publication number: 20110281168
    Abstract: The present invention relates to lithium composite compound particles having a composition represented by the formula: Li1+xNi1-y-zCoyMzO2 (M=B or Al), wherein the lithium composite compound particles have an ionic strength ratio A (LiO?/NiO2?) of not more than 0.3 and an ionic strength ratio B (Li3CO3+/Ni+) of not more than 20 as measured on a surface of the respective lithium composite compound particles using a time-of-flight secondary ion mass spectrometer. The lithium composite compound particles of the present invention can be used as a positive electrode active substance of a secondary battery which has good cycle characteristics and an excellent high-temperature storage property.
    Type: Application
    Filed: December 3, 2009
    Publication date: November 17, 2011
    Applicant: TODA KOGYO CORPORATION
    Inventors: Hiroyasu Watanabe, Taiki Imahashi, Kazuhiko Kikuya, Nobuyuki Tagami, Hideaki Sadamura
  • Publication number: 20110087863
    Abstract: In an apparatus which includes a plurality of processing modules connected via a ring-shape bus, if a plurality pieces of pipeline processing to be processed in a different order is allocated to a plurality of processing modules, the transfer efficiency may decrease when an amount of data transferred from one of the processing modules to a post-stage module exceeds a processing capacity of the post-stage module. Accordingly, a module positioned on the preceding side in the pipeline processing controls a transmission interval of processed data so that the post-stage module can receive the data processed by the preceding module.
    Type: Application
    Filed: October 4, 2010
    Publication date: April 14, 2011
    Applicant: CANON KABUSHIKI KAISHA
    Inventors: Hiroyasu Watanabe, Hirowo Inoue, Hisashi Ishikawa
  • Patent number: 7192539
    Abstract: The present invention relates to cobalt oxide particles useful as a precursor of a cathode active material for a non-aqueous electrolyte secondary cell which is capable of showing a stable crystal structure by insertion reaction therein, and producing a non-aqueous electrolyte secondary cell having a high safety and especially a high heat stability, a process for producing the cobalt oxide particles, a cathode active material for a non-aqueous electrolyte secondary cell using the cobalt oxide particles, a process for producing the cathode active material, and a non-aqueous electrolyte secondary cell using the cathode active material.
    Type: Grant
    Filed: February 23, 2006
    Date of Patent: March 20, 2007
    Assignee: Toda Kogyo Corporation
    Inventors: Hideaki Maeda, Shoichi Fujino, Hiroyasu Watanabe, Norimiki Sugiyama, Hideaki Sadamura
  • Patent number: 7112291
    Abstract: The present invention relates to cobalt oxide particles useful as a precursor of a cathode active material for a non-aqueous electrolyte secondary cell which is capable of showing a stable crystal structure by insertion reaction therein, and producing a non-aqueous electrolyte secondary cell having a high safety and especially a high heat stability, a process for producing the cobalt oxide particles, a cathode active material for a non-aqueous electrolyte secondary cell using the cobalt oxide particles, a process for producing the cathode active material, and a non-aqueous electrolyte secondary cell using the cathode active material.
    Type: Grant
    Filed: March 2, 2005
    Date of Patent: September 26, 2006
    Assignee: Toda Kogyo Corporation
    Inventors: Hideaki Maeda, Shoichi Fujino, Hiroyasu Watanabe, Norimiki Sugiyama, Hideaki Sadamura
  • Publication number: 20060138390
    Abstract: The present invention relates to cobalt oxide particles useful as a precursor of a cathode active material for a non-aqueous electrolyte secondary cell which is capable of showing a stable crystal structure by insertion reaction therein, and producing a non-aqueous electrolyte secondary cell having a high safety and especially a high heat stability, a process for producing the cobalt oxide particles, a cathode active material for a non-aqueous electrolyte secondary cell using the cobalt oxide particles, a process for producing the cathode active material, and a non-aqueous electrolyte secondary cell using the cathode active material.
    Type: Application
    Filed: February 23, 2006
    Publication date: June 29, 2006
    Applicant: Toda Kogyo Corporation
    Inventors: Hideaki Maeda, Shoichi Fujino, Hiroyasu Watanabe, Norimiki Sugiyama, Hideaki Sadamura