Patents by Inventor Takashi Kameda
Takashi Kameda 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: 11936044Abstract: A carbon material for a non-aqueous secondary battery containing a graphite capable of occluding and releasing lithium ions, and having a cumulative pore volume at pore diameters in a range of 0.01 ?m to 1 ?m of 0.08 mL/g or more, a roundness, as determined by flow-type particle image analysis, of 0.88 or greater, and a pore diameter to particle diameter ratio (PD/d50 (%)) of 1.8 or less, the ratio being given by equation (1A): PD/d50 (%)=mode pore diameter (PD) in a pore diameter range of 0.01 ?m to 1 ?m in a pore distribution determined by mercury intrusion/volume-based average particle diameter (d50)×100 is provided.Type: GrantFiled: January 5, 2017Date of Patent: March 19, 2024Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Shunsuke Yamada, Nobuyuki Ishiwatari, Satoshi Akasaka, Daigo Nagayama, Shingo Morokuma, Koichi Nishio, Iwao Soga, Hideaki Tanaka, Takashi Kameda, Tooru Fuse, Hiromitsu Ikeda
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Publication number: 20230352686Abstract: A method for producing a carbon material may include: granulating a raw carbon material by applying mechanical energy comprising impact, compression, friction, and/or shear force. The granulating may be carried out in the presence of a granulating agent. The granulating agent may be liquid during the granulating of the raw carbon material. Alternatively or in addition, the granulating agent may include no organic solvent, an organic solvent having no flash point, or no organic solvent having a flash point of 5° C. or higher.Type: ApplicationFiled: June 9, 2023Publication date: November 2, 2023Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Shunsuke YAMADA, Nobuyuki ISHIWATARI, Satoshi AKASAKA, Daigo NAGAYAMA, Shingo MOROKUMA, Koichi NISHIO, Iwao SOGA, Hideaki TANAKA, Takashi KAMEDA, Tooru FUSE, Hiromitsu IKEDA
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Publication number: 20220255085Abstract: The present invention addresses the problem of providing: a porous carbon structure that has a high micropore volume and can be self-contained; a manufacturing method therefor; a positive electrode material using the same; and a battery (particularly an air battery) using the same. The present invention is a porous carbon structure that is for a positive electrode for an air battery and has voids and a skeleton formed by incorporating carbon, the porous carbon structure satisfying all of the following conditions (a) to (d). (a) The t-plot external specific surface area is within the range of 300m2/g to 1600m2/g; (b) the total volume of micropores having a diameter of lnm to 200 nm is within the range of 1.2 cm3/g to 7.0cm3/g; (c) the total volume of micropores having a diameter of lnm to 1000 nm is within the range of 2.3cm3/g to 10.0 cm3/g; and (d) the overall porosity is within the range of 80% to 99%.Type: ApplicationFiled: May 21, 2020Publication date: August 11, 2022Applicant: National Institute for Materials ScienceInventors: Eiki Yasukawa, Takashi Kameda, Shoichi Matsuda, Shoji Yamaguchi, Shin Kimura, Kimihiko Ito, Yoshimi Kubo
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Publication number: 20220123309Abstract: A carbon material may include granulated particles satisfying (1L) and (2L): (1L) the granulated particles are made of a carbonaceous material; and (2L) the granulated particles satisfy the relationship |X1?X|/X1?0.2, wherein X is a volume-based average particle diameter determined by laser diffraction, and X1 is an equivalent circular diameter as determined from a cross-sectional SEM image, provided that the cross-sectional SEM image is a reflected electron image acquired at an acceleration voltage of 10 kV, wherein the carbon material has an average box-counting dimension relative to void regions of 30 particles of 1.55 or greater, as calculated from images obtained by randomly selecting 30 granulated particles from a cross-sectional SEM image of the carbon material, dividing the cross-sectional SEM image of each granulated particle into void regions and non-void regions, and binarizing the image. Such carbon material may be used in electrodes and batteries.Type: ApplicationFiled: December 30, 2021Publication date: April 21, 2022Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Shunsuke YAMADA, Nobuyuki ISHIWATARI, Satoshi AKASAKA, Daigo NAGAYAMA, Shingo MOROKUMA, Koichi NISHIO, Iwao SOGA, Hideaki TANAKA, Takashi KAMEDA, Tooru FUSE, Hiromitsu IKEDA
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Publication number: 20220123311Abstract: A carbon material may include granulated particles made of a carbonaceous material and satisfying (2L), ? X 1 - X ? / X 1 ? 0.2 , ( 2 ? L ) wherein X is a volume-based average particle diameter determined by laser diffraction, and X1 is an equivalent circular diameter determined from a cross-sectional SEM image, which is a reflected electron image acquired at 10 kV, wherein the carbon material has an average inter-void distance Z of 30 granulated particles randomly selected from a cross-sectional SEM image of the carbon material, as Zave, and wherein the carbon material has volume-based average particle diameter X determined by laser diffraction in a Zave/X ratio of 0.060 or less.Type: ApplicationFiled: December 30, 2021Publication date: April 21, 2022Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Shunsuke YAMADA, Nobuyuki ISHIWATARI, Satoshi AKASAKA, Daigo NAGAYAMA, Shingo MOROKUMA, Koichi NISHIO, Iwao SOGA, Hideaki TANAKA, Takashi KAMEDA, Tooru FUSE, Hiromitsu IKEDA
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Publication number: 20220123310Abstract: A carbon material may include granulated particles made of a carbonaceous material and satisfying (2L): ? X 1 - X ? / X 1 ? 0.2 , ( 2 ? L ) wherein X is a volume-based average particle diameter determined by laser diffraction, and X1 is an equivalent circular diameter determined from a cross-sectional SEM image, which is a reflected electron image acquired at an acceleration voltage of 10 kV, wherein X and X1 are determined from a cross-sectional SEM image, by drawing grid lines to split the minor axis and the major axis of a target granulated particle each into 20 parts to obtain a grid, and using cells in the grid, compartmentalizing the target granulated particle in a compartment.Type: ApplicationFiled: December 30, 2021Publication date: April 21, 2022Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Shunsuke YAMADA, Nobuyuki ISHIWATARI, Satoshi AKASAKA, Daigo NAGAYAMA, Shingo MOROKUMA, Koichi NISHIO, Iwao SOGA, Hideaki TANAKA, Takashi KAMEDA, Tooru FUSE, Hiromitsu IKEDA
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Publication number: 20220123308Abstract: A carbon material may satisfying inequality (1K): 10.914 > 5 ? x k - y k - 0.0087 ? a , ( 1 ? K ) wherein a is a volume-based average particle diameter in um of the carbon material, xk is a true density in g/cm3 of the carbon material, and yk is a value determined by equation (2K): y k = D 100 - D T , ( 2 ? K ) wherein D100 is density in g/cm3 of carbon material under uniaxial load of 100 kgf/3.14 cm2, and DT is tap density of carbon material in g/cm3. Such carbon materials may be used in electrodes and batteries.Type: ApplicationFiled: December 30, 2021Publication date: April 21, 2022Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Shunsuke YAMADA, Nobuyuki ISHIWATARI, Satoshi AKASAKA, Daigo NAGAYAMA, Shingo MOROKUMA, Koichi NISHIO, Iwao SOGA, Hideaki TANAKA, Takashi KAMEDA, Tooru FUSE, Hiromitsu IKEDA
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Patent number: 11090014Abstract: In an image processing device (300), a position determiner (313) determines, in a three-dimensional image showing an upper jaw part of a subject and a lower jaw part of the subject, positions of left and right mental foramina of the lower jaw part and a position of an incisors tube of the upper jaw part. A coordinate system setter (314) sets a three-dimensional coordinate system having an origin at a position established by the positions of the left and right mental foramina and the position of the incisors tube that are determined by the position determiner (313), the three-dimensional coordinate system including: a first coordinate axis that passes through the origin and the position of the incisors tube; a second coordinate axis that is perpendicular to the first coordinate axis and a straight line connecting the position of the left mental foramen and the position of the right mental foramen; and a third coordinate axis that is perpendicular to the first coordinate axis and the second coordinate axis.Type: GrantFiled: October 22, 2018Date of Patent: August 17, 2021Assignee: NIIGATA UNIVERSITYInventors: Makoto Sakamoto, Koichi Kobayashi, Yusuke Morise, Yuta Sakagami, Takashi Kameda
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Publication number: 20210196213Abstract: In an image processing device (300), a position determiner (313) determines, in a three-dimensional image showing an upper jaw part of a subject and a lower jaw part of the subject, positions of left and right mental foramina of the lower jaw part and a position of an incisors tube of the upper jaw part. A coordinate system setter (314) sets a three-dimensional coordinate system having an origin at a position established by the positions of the left and right mental foramina and the position of the incisors tube that are determined by the position determiner (313), the three-dimensional coordinate system including: a first coordinate axis that passes through the origin and the position of the incisors tube; a second coordinate axis that is perpendicular to the first coordinate axis and a straight line connecting the position of the left mental foramen and the position of the right mental foramen; and a third coordinate axis that is perpendicular to the first coordinate axis and the second coordinate axis.Type: ApplicationFiled: October 22, 2018Publication date: July 1, 2021Inventors: Makoto SAKAMOTO, Koichi KOBAYASHI, Yusuke MORISE, Yuta SAKAGAMI, Takashi KAMEDA
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Publication number: 20170187041Abstract: A carbon material for a non-aqueous secondary battery containing a graphite capable of occluding and releasing lithium ions, and having a cumulative pore volume at pore diameters in a range of 0.01 ?m to 1 ?m of 0.08 mL/g or more, a roundness, as determined by flow-type particle image analysis, of 0.88 or greater, and a pore diameter to particle diameter ratio (PD/d50 (%)) of 1.8 or less, the ratio being given by equation (1A): PD/d50 (%)=mode pore diameter (PD) in a pore diameter range of 0.01 ?m to 1 ?m in a pore distribution determined by mercury intrusion/volume-based average particle diameter (d50)×100 is provided.Type: ApplicationFiled: January 5, 2017Publication date: June 29, 2017Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Shunsuke YAMADA, Nobuyuki ISHIWATARI, Satoshi AKASAKA, Daigo NAGAYAMA, Shingo MOROKUMA, Koichi NISHIO, Iwao SOGA, Hideaki TANAKA, Takashi KAMEDA, Tooru FUSE, Hiromitsu IKEDA
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Patent number: 9240587Abstract: A carbon material for nonaqueous-electrolyte secondary-battery negative electrode is provided, which satisfies the followings (1) and (2): (1) the carbon material has an aspect ratio of 10 or less; (2) the amount of CO eliminated from the carbon material during heating to 1,000° C., as determined with a temperature programmed decomposition mass spectrometer (TPD-MS), is 2-15 ?mol/g.Type: GrantFiled: March 29, 2013Date of Patent: January 19, 2016Assignee: MITSUBISHI CHEMICAL CORPORATIONInventors: Takashi Kameda, Hideharu Sato, Tomohiro Sato
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Patent number: 9122297Abstract: The master controller includes a main handle, a handle drum, a reverse handle, a lock collar, a first lock cam having an outer peripheral surface that locks the reverse handle at a neutral position when an operation key is at a locked position, a second lock cam that rotates integrally with the reverse handle, and has an outer peripheral surface that locks the reverse handle and the main handle at a neutral position when the operation key is at a locked position, and that locks the reverse handle at a forward position or a reverse position and unlocks the main handle when the reverse handle is operated to the forward position or the reverse position, and a rod holding unit that holds a rod movably between the lock collar and the second lock cam.Type: GrantFiled: September 28, 2011Date of Patent: September 1, 2015Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Takashi Kameda, Ichirou Okui, Masao Okai
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Patent number: 9124020Abstract: To include an outfitting cable, a jumper cable, a connection plug receiver that is attached to an end of the outfitting cable, a connection plug that is attached to an end of the jumper cable, a casing that is provided below a vehicle floor, and that has the connection plug receiver introduced from a surface opposite to the surface on the side of the space between the vehicles to connect to the connection plug, a water blocking frame that is detachably attached to the surface of the casing on the side of the space between the vehicles, and that is formed with an inclined surface that includes an introduction opening into which the connection plug is introduced obliquely from below, and a gripping unit that is attached to the inclined surface and that grips the jumper cable.Type: GrantFiled: October 18, 2011Date of Patent: September 1, 2015Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Takashi Kameda, Ichirou Okui, Masao Okai
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Publication number: 20150194668Abstract: An object of the invention is to provide composite graphite particles (C) for nonaqueous-secondary-battery negative electrode, wherein metallic particle (B) capable of alloying with Li are present in inner parts thereof in a large amount. The invention relates to a composite graphite particle (C) for nonaqueous-secondary-battery negative electrode, the composite graphite particle (C) comprising a graphite (A) and a metallic particle (B) capable of alloying with Li, wherein when a section of the composite graphite particle (C) is examined with a scanning electron microscope, a folded structure of the graphite (A) is observed and a presence ratio of the metallic particle (B) in the composite graphite particle (C), as calculated by a specific measuring method, is 0.2 or higher.Type: ApplicationFiled: March 18, 2015Publication date: July 9, 2015Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Akio UEDA, Satoshi Akasaka, Nobuyuki Ishiwatari, Tooru Fuse, Takashi Kameda, Harumi Asami, Takahide Kimura, Shunsuke Yamada
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Patent number: 8974969Abstract: A mixed carbon material is useful for an electrode of a nonaqueous secondary battery. The material has two component materials: carbon material A and carbon material B. Both materials have high capacity and rapid charge-discharge characteristics. Carbon material A, a multilayer-structure material containing an amorphous carbon covering the surface of a graphitic particle, has particularly excellent charging-discharging properties. Carbon material B has particularly excellent electrical conductivity properties. A battery with an electrode having the mixed carbon material can have both rapid charge-discharge characteristics and high cycle characteristics.Type: GrantFiled: September 23, 2011Date of Patent: March 10, 2015Assignee: Mitsubishi Chemical CorporationInventors: Takashi Kameda, Hideharu Sato
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Publication number: 20150040714Abstract: The master controller includes a main handle, a handle drum, a reverse handle, a lock collar, a first lock cam having an outer peripheral surface that locks the reverse handle at a neutral position when an operation key is at a locked position, a second lock cam that rotates integrally with the reverse handle, and has an outer peripheral surface that locks the reverse handle and the main handle at a neutral position when the operation key is at a locked position, and that locks the reverse handle at a forward position or a reverse position and unlocks the main handle when the reverse handle is operated to the forward position or the reverse position, and a rod holding unit that holds a rod movably between the lock collar and the second lock cam.Type: ApplicationFiled: September 28, 2011Publication date: February 12, 2015Applicant: Mitsubishi Electric CorporationInventors: Takashi Kameda, Ichirou Okui, Masao Okai
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Patent number: 8920977Abstract: A negative electrode material for a nonaqueous electrolyte secondary battery, where the negative electrode contains a carbon material A and a carbon material B. Carbon material A is a multilayer-structure carbon material containing a graphitic particle having an amorphous carbon surface covering, where the interplaner spacing of 002 planes, by wide-angle XRD, is 3.37 ? or less, Lc is 900 ? or more, the tap density is 0.8 g/cm3 or more, and the Raman R value is from 0.25 to 0.6. Carbon material B is a graphitic particle where the interplanar spacing of 002 planes, by wide-angle XRD, is 3.37 ? or less, Lc is 900 ? or more, the tap density is 0.8 g/cm3 or more, the Raman R value is from 0.2 to 0.5, and the average degree of circularity, determined by a flow-type particle analyzer, is 0.9 or more.Type: GrantFiled: September 23, 2011Date of Patent: December 30, 2014Assignee: Mitsubishi Chemical CorporationInventors: Takashi Kameda, Hideharu Sato
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Publication number: 20140273612Abstract: To include an outfitting cable, a jumper cable, a connection plug receiver that is attached to an end of the outfitting cable, a connection plug that is attached to an end of the jumper cable, a casing that is provided below a vehicle floor, and that has the connection plug receiver introduced from a surface opposite to the surface on the side of the space between the vehicles to connect to the connection plug, a water blocking frame that is detachably attached to the surface of the casing on the side of the space between the vehicles, and that is formed with an inclined surface that includes an introduction opening into which the connection plug is introduced obliquely from below, and a gripping unit that is attached to the inclined surface and that grips the jumper cable.Type: ApplicationFiled: October 18, 2011Publication date: September 18, 2014Applicant: Mitsubishi Electric CorporationInventors: Takashi Kameda, Ichirou Okui, Masao Okai
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Publication number: 20120064403Abstract: A mixed carbon material is useful for an electrode of a nonaqueous secondary battery. The material has two component materials: carbon material A and carbon material B. Both materials have high capacity and rapid charge-discharge characteristics. Carbon material A, a multilayer-structure material containing an amorphous carbon covering the surface of a graphitic particle, has particularly excellent charging-discharging properties. Carbon material B has particularly excellent electrical conductivity properties. A battery with an electrode having the mixed carbon material can have both rapid charge-discharge characteristics and high cycle characteristics.Type: ApplicationFiled: September 23, 2011Publication date: March 15, 2012Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Takashi KAMEDA, Hideharu Sato
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Publication number: 20120052393Abstract: A negative electrode material for a nonaqueous electrolyte secondary battery, where the negative electrode contains a carbon material A and a carbon material B. Carbon material A is a multilayer-structure carbon material containing a graphitic particle having an amorphous carbon surface covering, where the interplaner spacing of 002 planes, by wide-angle XRD, is 3.37 ? or less, Lc is 900 ? or more, the tap density is 0.8 g/cm3 or more, and the Raman R value is from 0.25 to 0.6. Carbon material B is a graphitic particle where the interplanar spacing of 002 planes, by wide-angle XRD, is 3.37 ? or less, Lc is 900 ? or more, the tap density is 0.8 g/cm3 or more, the Raman R value is from 0.2 to 0.5, and the average degree of circularity, determined by a flow-type particle analyzer, is 0.9 or more.Type: ApplicationFiled: September 23, 2011Publication date: March 1, 2012Applicant: MITSUBISHI CHEMICAL CORPORATIONInventors: Takashi KAMEDA, Hideharu SATO