Patents by Inventor Satoshi Wakasugi
Satoshi Wakasugi 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).
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Patent number: 11605809Abstract: A main object of the present disclosure is to provide an anode active material whose volume variation due to charging and discharging is small. The present disclosure achieves the object by providing an anode active material comprising a primary particle including a Si phase, an MSi phase that is a silicide phase wherein M is a transition metal element, and a first void.Type: GrantFiled: November 19, 2020Date of Patent: March 14, 2023Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tetsuya Waseda, Satoshi Wakasugi, Jun Yoshida, Masaki Adachi
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Publication number: 20220388153Abstract: An arm-type assistance device includes a pillar, a first support portion, a first arm, a second support portion, a second arm, a third arm, an operating unit, and a cargo holding unit. The first arm includes a first member, a first air cylinder, and a second member. The first support portion, the first member, the second support portion, and the second member form a parallel linkage. The parallel linkage is assisted by the first air cylinder. The arm-type assistance device further includes a controller that is configured to control pressure of first air cylinder. The third arm includes a second air cylinder. The controller controls pressure of the second air cylinder. A dimension in an axial direction of the second arm is greater than a dimension in an axial direction of the first arm.Type: ApplicationFiled: August 20, 2020Publication date: December 8, 2022Inventors: Satoshi WAKASUGI, Shigetaka MATSUMOTO
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Publication number: 20220344706Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery comprising an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also containing a polymer, is arranged between the anode current collector and the solid electrolyte layer; the solid electrolyte layer contains a solid electrolyte in a granular shape; and when X designates an average particle size D50 of the solid electrolyte and Y designates an average thickness of the solid electrolyte layer, X/Y is 0.0125 or more and 0.02 or less.Type: ApplicationFiled: April 20, 2022Publication date: October 27, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ximeng Li, Masumi Sato, Sakina Kaneko, Tomoya Matsunaga, So Yubuchi, Mitsutoshi Otaki, Hideaki Nishimura, Satoshi Wakasugi, Shohei Kawashima, Jun Yoshida
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Publication number: 20220344791Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery comprising an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also containing a polymer, is arranged between the anode current collector and the solid electrolyte layer.Type: ApplicationFiled: April 20, 2022Publication date: October 27, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ximeng Li, Masumi Sato, Sakina Kaneko, Tomoya Matsunaga, Mitsutoshi Otaki, Satoshi Wakasugi, Hideaki Nishimura, So Yubuchi, Shohei Kawashima, Jun Yoshida
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Publication number: 20220344666Abstract: A main object of the present disclosure is to provide an all solid state battery in which occurrence of short circuit is inhibited. The present disclosure achieves the object by providing an all solid state battery including an anode including at least an anode current collector, a cathode, and a solid electrolyte layer arranged between the anode and the cathode; wherein a protective layer containing a Mg-containing particle that contains at least Mg, and also contains a polymer, is arranged between the anode current collector and the solid electrolyte layer; and a contacting area rate in an interface between the solid electrolyte layer and the protective layer is 50% or more.Type: ApplicationFiled: April 19, 2022Publication date: October 27, 2022Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Ximeng Li, Masumi Sato, Sakina Kaneko, Tomoya Matsunaga, Mitsutoshi Otaki, Satoshi Wakasugi, Hideaki Nishimura, So Yubuchi, Shohei Kawashima, Jun Yoshida
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Publication number: 20220320580Abstract: To reduce an electric resistance of an all-solid-state battery, the all-solid-state battery includes: an anode active material layer; a cathode active material layer; and a solid electrolyte layer disposed between the anode active material layer and the cathode active material layer, wherein the cathode active material layer contains S, Li2S, P2S5, and a single-walled carbon nanotube.Type: ApplicationFiled: March 22, 2022Publication date: October 6, 2022Inventors: Hideaki NISHIMURA, Jun YOSHIDA, Mitsutoshi OTAKI, Satoshi WAKASUGI, Shoshei KAWASHIMA, So YUBUCHI
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Publication number: 20220320480Abstract: To improve the capacity of an all-solid-state battery, a method of manufacturing an all-solid-state battery having a cathode that contains sulfur include: performing initial charge and discharge separately at least in three cycles until a capacity of the battery reaches a design capacity, wherein a charge discharge capacity in a first cycle is at most 30% of the design capacity, and charge and discharge in a second cycle and after are performed, so that a charge discharge capacity in an n-th cycle is increased at least 1.15 times as much as a charge discharge capacity in an (n-1)-th cycle.Type: ApplicationFiled: March 21, 2022Publication date: October 6, 2022Inventors: Ximeng LI, Masumi SATO, Sakina KANEKO, Tomoya MATSUNAGA, Satoshi WAKASUGI, Hideaki NISHIMURA, Mitsutoshi OTAKI, So YUBUCHI, Shohei KAWASHIMA, Jun YOSHIDA
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Patent number: 11380887Abstract: Provided is an anode active material configured to achieve both an increase in the coulombic efficiency during initial charge and discharge of an all-solid-state battery, and suppression of an increase in the resistance of the all-solid-state battery. The anode active material may be an anode active material, wherein the anode active material is an anode active material for use in all-solid-state batteries; wherein the anode active material comprises a lithium-silicon alloy and elemental silicon; and wherein the anode active material has peaks at positions of 2?=20.2°±0.5°, 23.3°±0.5°, 40.5°±0.5°, and 46.0°±0.5° in a XRD spectrum obtained by XRD measurement using CuK? radiation.Type: GrantFiled: October 21, 2019Date of Patent: July 5, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Satoshi Wakasugi, Jun Yoshida
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Patent number: 11248738Abstract: An arm-type support device includes a first frame, a second frame, a first arm member, a second arm member, and an actuator. The actuator includes a driving unit, an actuating rod, and a link member. The first arm member, the second arm member, the first frame, and the second frame form a parallel link. The first arm member is hollow and accommodates the actuator and the second arm member.Type: GrantFiled: April 8, 2019Date of Patent: February 15, 2022Assignee: CKD CORPORATIONInventors: Satoshi Wakasugi, Shigetaka Matsumoto
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Patent number: 11043670Abstract: Disclosed is an anode for all-solid-state batteries, which is, when used in an all-solid-state battery, configured to suppress an increase in the confining pressure of the battery during charge. The anode may be an anode wherein the anode is for use in all-solid-state batteries and comprises an anode layer, and wherein the anode layer contains MSi2 (where M is one element selected from the group consisting of Yb, Er, Tm and Lu) as an anode active material.Type: GrantFiled: November 5, 2019Date of Patent: June 22, 2021Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Satoshi Wakasugi
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Publication number: 20210175493Abstract: A main object of the present disclosure is to provide an anode active material whose volume variation due to charging and discharging is small. The present disclosure achieves the object by providing an anode active material comprising a primary particle including a Si phase, an MSi phase that is a silicide phase wherein M is a transition metal element, and a first void.Type: ApplicationFiled: November 19, 2020Publication date: June 10, 2021Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tetsuya WASEDA, Satoshi WAKASUGI, Jun YOSHIDA, Masaki ADACHI
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Publication number: 20210138637Abstract: An arm-type support device includes a first frame, a second frame, a first arm member, a second arm member, and an actuator. The actuator includes a driving unit, an actuating rod, and a link member. The first arm member, the second arm member, the first frame, and the second frame form a parallel link. The first arm member is hollow and accommodates the actuator and the second arm member.Type: ApplicationFiled: April 8, 2019Publication date: May 13, 2021Inventors: Satoshi Wakasugi, Shigetaka Matsumoto
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Publication number: 20210028450Abstract: A main object of the present disclosure is to provide an anode active material of which expansion along with charge is small. The present disclosure achieves the object by providing an anode active material to be used for a battery, wherein the anode active material is a particle in unwoven shape that contains Si fiber, an average particle size D50 of the anode active material is 0.2 ?m or more and 3.6 ?m or less, and the anode active material is amorphous.Type: ApplicationFiled: July 14, 2020Publication date: January 28, 2021Inventors: Takayuki UCHIYAMA, Satoshi WAKASUGI, Shizuka MASUOKA
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Publication number: 20200152982Abstract: Disclosed is an anode for all-solid-state batteries, which is, when used in an all-solid-state battery, configured to suppress an increase in the confining pressure of the battery during charge. The anode may be an anode wherein the anode is for use in all-solid-state batteries and comprises an anode layer, and wherein the anode layer contains MSi2 (where M is one element selected from the group consisting of Yb, Er, Tm and Lu) as an anode active material.Type: ApplicationFiled: November 5, 2019Publication date: May 14, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Satoshi Wakasugi
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Publication number: 20200136131Abstract: Provided is an anode active material configured to achieve both an increase in the coulombic efficiency during initial charge and discharge of an all-solid-state battery, and suppression of an increase in the resistance of the all-solid-state battery. The anode active material may be an anode active material, wherein the anode active material is an anode active material for use in all-solid-state batteries; wherein the anode active material comprises a lithium-silicon alloy and elemental silicon; and wherein the anode active material has peaks at positions of 2?=20.2°±0.5°, 23.3°±0.5°, 40.5°±0.5°, and 46.0°±0.5° in a XRD spectrum obtained by XRD measurement using CuK? radiation.Type: ApplicationFiled: October 21, 2019Publication date: April 30, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Satoshi WAKASUGI, Jun YOSHIDA
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Publication number: 20190221832Abstract: Provided is an anode mixture for all-solid-state lithium ion secondary batteries, which comprises an anode active material comprising Si and which can suppress an increase in internal resistance of all-solid-state lithium ion secondary batteries. Also provided is a method for producing the anode mixture. An anode mixture for all-solid-state lithium ion secondary batteries, comprising an anode active material. (A), a solid electrolyte (B), an electroconductive material (C) and a binder (D), wherein the anode active material (A) comprises Si; wherein the solid electrolyte (B) comprises a sulfide solid electrolyte; wherein the electroconductive material (C) comprises a fibrous carbon material having six-membered carbon rings; and wherein the binder (D) comprises a polymer compound having aromatic rings.Type: ApplicationFiled: January 14, 2019Publication date: July 18, 2019Applicant: Toyota Jidosha Kabushiki KaishaInventor: Satoshi Wakasugi
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Patent number: 10249880Abstract: Provided is a method for manufacturing a current collector provided with a conductive layer that can keep a high resistance only at a high temperature. The method includes dispersing a carbon material in an organic solvent to prepare a carbon material dispersion solution, dispersing polyvinylidene fluoride in an organic solvent to prepare a resin dispersion solution, mixing the carbon material dispersion solution, the resin dispersion solution, and water, to prepare a composition for conductive layer formation, and forming a conductive layer on a surface of a current collector by applying the composition for conductive layer formation and thereafter drying the composition.Type: GrantFiled: December 20, 2016Date of Patent: April 2, 2019Assignee: TOYOTA JIDOSHA KABUSHIKIA KAISHAInventors: Shigenori Hama, Hideyo Ebisuzaki, Yasumasa Oguma, Satoshi Wakasugi
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Patent number: 10249911Abstract: A solid-state lithium battery in which a thermal stability is improved. The solid-state lithium battery comprises a cathode active material layer containing a cathode active material, an anode active material layer containing an anode active material, and a solid electrolyte layer formed between the cathode active material layer and the anode active material layer. The cathode active material is an oxide active material, at least one of the cathode active material layer and the solid electrolyte layer contains a sulfide solid electrolyte material, the sulfide solid electrolyte material comprises a Li element, a P element, a S element, and an I element, and the cathode active material layer contains a specific phosphate ester.Type: GrantFiled: December 14, 2016Date of Patent: April 2, 2019Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masashi Kodama, Satoshi Wakasugi
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Patent number: 10014559Abstract: The main object of the present invention is to provide an all solid state battery with capability of inhibiting heat generation of an anode layer. The present invention solves the problem by providing an all solid state battery comprising a cathode layer, an anode layer, and a solid electrolyte layer formed between the cathode layer and the anode layer, wherein at least one of the anode layer and the solid electrolyte layer contains a sulfide solid electrolyte material; the anode layer contains an anode active material that is graphite, and contains an additive; and the additive has an oxide that is at least one kind of MoO3, Sb2O3, and MnCO3, and a coating portion that coats at least a part of the oxide and includes a resin with a hydrocarbon chain as a main chain.Type: GrantFiled: September 28, 2016Date of Patent: July 3, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masashi Kodama, Satoshi Wakasugi
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Patent number: D883298Type: GrantFiled: October 16, 2018Date of Patent: May 5, 2020Assignee: CKD CORPORATIONInventors: Satoshi Wakasugi, Shigetaka Matsumoto, Atsushi Fukuta, Reina Kawai