Patents by Inventor Yoshihiro Honma
Yoshihiro Honma 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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Publication number: 20230411719Abstract: A method for recovering a valuable substance from a lithium ion secondary battery is provided. The method includes a thermal treatment step of thermally treating a lithium ion secondary battery containing aluminum, carbon, and a copper foil as constituting materials, and a wet sorting step of applying an external force to a thermally treated product obtained in the thermal treatment step in the presence of a liquid, to sort the thermally treated product into a heavy product and a light product containing copper.Type: ApplicationFiled: September 7, 2021Publication date: December 21, 2023Applicant: DOWA ECO-SYSTEM CO., LTD.Inventors: Chihiro NISHIKAWA, Yoshihiro HONMA, Ryoei WATANABE, Masataka YAMASHITA
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Publication number: 20230366061Abstract: A method for recovering a valuable substance is provided. The method includes a thermal treatment step of thermally treating a target containing a valuable substance using a continuous furnace configured to thermally treat the target while moving a target storing unit, in which the target is stored, such that the target storing unit is not contacted by a flame that is for thermal treatment, and a valuable substance recovering step of recovering the valuable substance from a thermally treated product of the target obtained in the thermal treatment step.Type: ApplicationFiled: September 7, 2021Publication date: November 16, 2023Applicant: DOWA ECO-SYSTEM CO., LTD.Inventors: Chihiro NISHIKAWA, Yoshihiro HONMA, Ryoei WATANABE, Masataka YAMASHITA
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Publication number: 20230323506Abstract: A method for recovering a valuable substance is provided. The method includes a thermal treatment step of thermally treating a target, which contains a valuable substance and is stored in a target storing unit, via a flame blocking unit configured to block a flame for thermally treating the target such that the target storing unit is not contacted by the flame, and a valuable substance recovering step of recovering the valuable substance from a thermally treated product of the target obtained in the thermal treatment step.Type: ApplicationFiled: September 7, 2021Publication date: October 12, 2023Applicant: DOWA ECO-SYSTEM CO., LTD.Inventors: Chihiro NISHIKAWA, Yoshihiro HONMA, Ryoei WATANABE, Masataka YAMASHITA, Youichi FUKUCHI, Tomotaka IZUMI, Yoshiki ITO
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Publication number: 20230318063Abstract: A method for recovering a valuable substance is provided. The method includes: a thermal treatment step of thermally treating a target containing a valuable substance while supporting a target storing unit, in which the target is stored, by a supporting unit that can support the target storing unit, wherein the thermally treating includes heating a gas present in a region, in which the supporting unit is positioned, by a flame for thermally treating the target such that the target storing unit is not contacted by the flame; and a valuable substance recovering step of recovering the valuable substance from a thermally treated product of the target obtained in the thermal treatment step.Type: ApplicationFiled: September 3, 2021Publication date: October 5, 2023Applicant: DOWA ECO-SYSTEM CO., LTD.Inventors: Yoji SUGANUMA, Hiroki NAGAHARA, Minoru YOSHIHARA, Chihiro NISHIKAWA, Ryoei WATANABE, Yoshihiro HONMA, Masataka YAMASHITA
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Publication number: 20230119544Abstract: Provided is a method for concentrating a valuable metal contained in a lithium ion secondary battery, for processing a lithium ion secondary battery containing at least one element selected from the group consisting of cobalt and nickel, or a positive electrode material of the lithium ion secondary battery, to concentrate a valuable metal containing either or both of cobalt and nickel. The method includes a thermal treatment step of thermally treating the lithium ion secondary battery or the positive electrode material thereof, to form a granular aggregate containing at least one valuable metal selected from the group consisting of cobalt and nickel.Type: ApplicationFiled: March 1, 2021Publication date: April 20, 2023Applicant: DOWA ECO-SYSTEM CO., LTD.Inventors: Ryoei WATANABE, Yoshihiro HONMA, Chihiro NISHIKAWA, Masataka YAMASHITA, Jiahao LIU
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Publication number: 20230107938Abstract: A method for recovering valuable substance, for recovering it from lithium ion secondary battery includes: thermal treatment step of thermally treating lithium ion secondary battery to obtain thermally treated product; pulverizing/classifying step of classifying pulverized product obtained by pulverizing thermally treated product, to obtain coarse and fine-grained products both containing valuable substance; water leaching step of immersing fine-grained product in water, to obtain water-leached slurry; wet magnetic sorting step of subjecting water-leached slurry to wet magnetic sorting, to sort water-leached slurry into magnetically attractable materials and non-magnetically attractable material slurry; and acid leaching step of adding acidic solution to either or both of non-magnetically attractable material slurry recovered by wet magnetic sorting and non-magnetically attractable materials obtained by solid-liquid separation of non-magnetically attractable material slurry to leach non-magnetically attractabType: ApplicationFiled: March 9, 2021Publication date: April 6, 2023Applicant: DOWA ECO-SYSTEM CO., LTD.Inventors: Chihiro NISHIKAWA, Yoshihiro HONMA, Ryoei WATANABE, Masataka YAMASHITA
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Publication number: 20230104457Abstract: Provided is a method for recovering lithium, for recovering lithium from a lithium ion secondary battery, the method including: a thermal treatment step of thermally treating a lithium ion secondary battery having a residual voltage higher than or equal to 80% of a rated voltage, to obtain a thermally treated product; a pulverizing step of pulverizing the thermally treated product, to obtain a pulverized product; and a lithium recovering step of recovering lithium from the pulverized product.Type: ApplicationFiled: March 9, 2021Publication date: April 6, 2023Applicant: DOWA ECO-SYSTEM CO., LTD.Inventors: Chihiro NISHIKAWA, Yoshihiro HONMA, Ryoei WATANABE, Masataka YAMASHITA, Yoshiki ITO, Yoshitaka YOSHIWARA
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Publication number: 20230083016Abstract: Provided is a sorting method for valuable resources, including a thermal treatment step of thermally treating a target containing valuable resources, to melt aluminum and separate a melt, a pulverizing step of pulverizing a thermally treated product remaining after the melt is separated, to obtain a pulverized product, a magnetic sorting step of sorting the valuable resources from the pulverized product by a magnetic force, and a wind force sorting step of sorting one valuable resource from another valuable resource in the valuable resources by a wind force.Type: ApplicationFiled: January 29, 2021Publication date: March 16, 2023Applicant: DOWA ECO-SYSTEM CO., LTD.Inventors: Tatsuya YODOSE, Ryoei WATANABE, Hitoshi SASAKI, Chihiro NISHIKAWA, Yoshihiro HONMA
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Publication number: 20220396852Abstract: Provided is a method for separating lithium from a lithium solution containing lithium by 200 mg/L or more and fluorine by 20 mg/L or more, the method including: a first removal step of adding a first component, which solidifies the fluorine contained in the lithium solution, to the lithium solution and removing the fluorine solidified to obtain a F-removed liquid; and a second removal step of adding a second component, which solidifies the first component remaining in the F-removed liquid, to the F-removed liquid and removing the first component solidified to obtain a first component-removed liquid.Type: ApplicationFiled: September 10, 2020Publication date: December 15, 2022Applicant: DOWA ECO-SYSTEM CO., LTD.Inventors: Chihiro NISHIKAWA, Yoshihiro HONMA, Ryoei WATANABE
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Patent number: 11482737Abstract: There is provided a means capable of recovering a valuable material such as cobalt and nickel, with a low grade of a metal derived from a negative electrode current collector, a low grade of fluorine, and a low grade of a material derived from a negative electrode active material. A method for recovering a valuable material from a lithium ion secondary battery, is characterized in that it includes: a heat treatment step of performing heat treatment on a lithium ion secondary battery; a crushing step of crushing a heat-treated object obtained through the heat treatment step; a classification step of classifying a crushed object obtained through the crushing step into a coarse particle product and a fine particle product; and a wet magnetic separation step of performing wet magnetic separation on the fine particle product obtained through the classification step.Type: GrantFiled: January 3, 2020Date of Patent: October 25, 2022Assignee: DOWA ECO-SYSTEM CO., LTD.Inventors: Chihiro Nishikawa, Yoshihiro Honma, Norio Nakajima
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Publication number: 20210210807Abstract: A method for recovering a valuable material from a lithium ion secondary battery includes: a heat treatment step of performing heat treatment on a lithium ion secondary battery; a crushing step of crushing a heat-treated object obtained through the heat treatment step; a first stage of classification step of classifying a crushed object obtained through the crushing step based on a classification point of 1.2 to 2.4 mm, and a second stage of classification step of classifying an intermediate product and a fine particle product obtained on a fine side in the first stage of classification step based on a classification point of 0.3 mm or less; and a dry magnetic separation step of repeating one time or more a step of performing dry magnetic separation on an intermediate product obtained on a coarse side in the second stage of classification step and performing dry magnetic separation again.Type: ApplicationFiled: January 3, 2020Publication date: July 8, 2021Applicant: DOWA ECO-SYSTEM CO., LTD.Inventors: Chihiro NISHIKAWA, Yoshihiro HONMA, Norio NAKAJIMA
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Publication number: 20210210806Abstract: There is provided a means capable of recovering a valuable material such as cobalt and nickel, with a low grade of a metal derived from a negative electrode current collector, a low grade of fluorine, and a low grade of a material derived from a negative electrode active material. A method for recovering a valuable material from a lithium ion secondary battery, is characterized in that it includes: a heat treatment step of performing heat treatment on a lithium ion secondary battery; a crushing step of crushing a heat-treated object obtained through the heat treatment step; a classification step of classifying a crushed object obtained through the crushing step into a coarse particle product and a fine particle product; and a wet magnetic separation step of performing wet magnetic separation on the fine particle product obtained through the classification step.Type: ApplicationFiled: January 3, 2020Publication date: July 8, 2021Applicant: DOWA ECO-SYSTEM CO., LTD.Inventors: Chihiro NISHIKAWA, Yoshihiro HONMA, Norio NAKAJIMA
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Patent number: 9359659Abstract: A method for recovering a valuable material from a lithium-ion secondary battery, the method contains: roasting a lithium-ion secondary battery containing a valuable material in a metal battery case thereof to obtain a roasted material; stirring the roasted material with liquid to separate contents containing the valuable material from the inside of the metal battery case; and sorting the contents separated by the separation and the metal battery case to obtain a recovered material containing the valuable material.Type: GrantFiled: June 26, 2013Date of Patent: June 7, 2016Assignee: DOWA ECO-SYSTEM Co., Ltd.Inventors: Koji Fujita, Satoshi Kawakami, Yoshihiro Honma, Ryoei Watanabe
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Publication number: 20130287621Abstract: A method for recovering a valuable material from a lithium-ion secondary battery, the method contains: roasting a lithium-ion secondary battery containing a valuable material in a metal battery case thereof to obtain a roasted material; stirring the roasted material with liquid to separate contents containing the valuable material from the inside of the metal battery case; and sorting the contents separated by the separation and the metal battery case to obtain a recovered material containing the valuable material.Type: ApplicationFiled: June 26, 2013Publication date: October 31, 2013Inventors: Koji FUJITA, Satoshi KAWAKAMI, Yoshihiro HONMA, Ryoei WATANABE
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Patent number: 8553050Abstract: Disclosed is a video signal processing apparatus applicable to various LCD panels. This video signal processing apparatus includes a format converting unit which converts first-format image data into second-format image data, a point sequential converting unit which converts the second-format image data into point sequenced data, a resizing unit which resizes the point sequenced data, a line memory which stores the resized point sequenced data, and an output control unit which controls to continuously read out the point sequenced data from the line memory.Type: GrantFiled: June 30, 2006Date of Patent: October 8, 2013Assignee: Canon Kabushiki KaishaInventors: Zenya Kawaguchi, Yoshihiro Honma, Shin Takagi
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Patent number: 8508610Abstract: By setting an area for displaying OSD data, a high-intensity part of this area is highlighted and an area which is not to be highlighted is set. Also, by performing translucent display of the OSD data and natural-image data, an area which is not to be highlighted can be set.Type: GrantFiled: July 23, 2010Date of Patent: August 13, 2013Assignee: Canon Kabushiki KaishaInventor: Yoshihiro Honma
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Patent number: 8388927Abstract: Scorodite-type iron-arsenic compound particles in which the particle surface layer part comprise an iron-rich layer having an Fe/As molar ratio of at least 1.24. The particles can be obtained in a reaction process of feeding an oxygen-containing gas to an aqueous solution containing an arsenic(V) ion and an iron(II) ion to precipitate a scorodite-type iron-arsenic compound crystal at a pH of at most 2, in which an oxidizing agent is further added to the liquid before the end of the reaction (treatment A). The particles may also be obtained by a method comprising keeping a scorodite-type iron-arsenic compound particle of good crystallinity in contact with an iron ion-containing aqueous solution having a controlled pH of from 2 to 9 at 0 to 90° C. (treatment B). The scorodite-type iron-arsenic particles have good filterability and excellent arsenic release-preventing effect.Type: GrantFiled: May 12, 2010Date of Patent: March 5, 2013Assignee: Dowa Metals & Mining Co., Ltd.Inventors: Kenichi Inoue, Haruhiro Otani, Yoshihiro Honma
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Patent number: 8299158Abstract: A polyester resin composition having an equivalent spherical diameter of 1 mm to 50 mm, a degree of crystallization of not less than 65% and less than 99%, an intrinsic viscosity of not more than 0.7 dl/g and a cyclic trimer content of not more than 0.4% by weight. This polymer resin composition has an excellent color tone, causes no significant viscosity lowering or viscosity rise, and can withstand a process which is exposed to a long-term thermal history. A polyester resin composition having a viscosity suitable for extrusion in a general-purpose manner, a production process thereof, and a polyester film are also provided.Type: GrantFiled: May 24, 2005Date of Patent: October 30, 2012Assignee: Toray Industries, Inc.Inventors: Yoshihiro Honma, Jun Sakamoto, Masahiro Kimura
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Publication number: 20120034480Abstract: Polyester composition produced without antimony compound as a polycondensation catalyst including, 30 ppm or less antimony, 0.5-50 ppm titanium, and 0.1-100 ppm phosphorus, the number density of titanium-containing particles having an equivalent circular diameter of 1 ?m or more being less than 100/0.02 mg; and a composition as above, containing 0.1-5 wt % organic polymer particles which have an average particle diameter of 0.05-3 ?m and contain 0.01% or less of coarse particles which have a diameter at least twice the average particle diameter. Polyester catalyst including a reaction product between at least one of Ti(OR)4 and Ti(OH)m(OR)4-m, wherein Rs may be the same or different and each represents a C2-C10 organic group, and m represents an integer of 1-4, and a ligand including nitrogen, sulfur, and/or oxygen as a donor atom, and capable of coordinating with two or more sites.Type: ApplicationFiled: July 29, 2011Publication date: February 9, 2012Inventors: Jun Sakamoto, Masatoshi Aoyama, Yoshihiro Honma
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Patent number: 8085305Abstract: An image processing apparatus comprises: a feature detection circuit adapted to detect a feature portion of an object from a sensed image; a blur amount detection circuit adapted to detect a blur amount, during image sensing, of a device adapted to obtain the sensed image; a display unit adapted to display the sensed image, and display a frame surrounding the feature portion of the object in the displayed sensed image; and a calculation circuit adapted to set a position, in the sensed image, of the frame surrounding the feature portion of the object, wherein the calculation circuit calculates, on the basis of the blur amount, a moving amount of the frame whose position in the sensed image is set on the basis of the feature portion detected by the feature detection circuit.Type: GrantFiled: May 31, 2007Date of Patent: December 27, 2011Assignee: Canon Kabushiki KaishaInventors: Zenya Kawaguchi, Yoshihiro Honma, Yoshinori Watanabe