Patents by Inventor Takafumi Ishii
Takafumi Ishii 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: 20240127533Abstract: An inferring device includes one or more memories and one or more processors. The one or more processors are configured to obtain three-dimensional structures of a plurality of molecules; and input the three-dimensional structures of the plurality of molecules into a neural network model and infer one or more physical properties of the plurality of molecules.Type: ApplicationFiled: December 8, 2023Publication date: April 18, 2024Applicants: Preferred Networks, Inc., ENEOS CorporationInventors: So TAKAMOTO, Wenwen LI, Yusuke ASANO, Takafumi ISHII
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Patent number: 11952483Abstract: A resin composition including: at least one resin ingredient selected from the group made of a resin (A) having a side chain (a) containing a hydrogen-bonding cross-linking moiety with a carbonyl-containing group and/or a nitrogen-containing heterocycle and having a glass transition point of 25° C. or lower, and a resin (B) containing a hydrogen-bonding cross-linking moiety and a covalent-bonding cross-linking moiety in a side chain and having a glass transition point of 25° C. or lower, wherein both the resin (A) and the resin (B) are a reaction product of a cross-linking agent with a maleic anhydride-modified thermoplastic resin having a melting point of 68° C. to 134° C. and a maleation rate of 0.5 to 2.5% by mass.Type: GrantFiled: July 30, 2019Date of Patent: April 9, 2024Assignee: ENEOS CORPORATIONInventors: Keisuke Chino, Yoshihiro Morinaga, Yuhei Sasaki, Takafumi Ishii, Toshiyuki Iwasaki
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Publication number: 20240112764Abstract: An information processing device includes one or more processors. The one or more processors are configured to optimize, for a specific elementary reaction in a reaction using a catalyst including a plurality of elementary reactions, an arrangement of a promoter element in the catalyst based on activation energy acquired using a trained model, and search for the promoter element based on the activation energy acquired using the trained model for each type of the promoter element.Type: ApplicationFiled: December 8, 2023Publication date: April 4, 2024Applicants: ENEOS Corporation, Preferred Networks, Inc.Inventors: Yoshihiro YAYAMA, Yusuke ASANO, Takafumi ISHII, Takao KUDO, Taku WATANABE, Ryohto SAWADA
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Patent number: 11919455Abstract: A trunk structure for a vehicle improves retainment performance of goods to a vehicle body in a cargo net, and improves flexibility of the layout of a trunk board. The trunk structure includes a trunk board, a hook member attached to the trunk board to which a cargo net covering goods can be locked, an interior member which constitutes an inside surface of a trunk, and an engaged portion of the interior member which the hook member can engage, the engaged portion restraining movement of the trunk board in an up-down direction when the engaged portion is engaged with the hook member. The hook member is switchable between an engaged state where the hook member engages the engaged portion and a non-engaged state where the engagement is released, and retains the engaged state by locking the cargo net to the hook member.Type: GrantFiled: March 15, 2022Date of Patent: March 5, 2024Assignee: MAZDA MOTOR CORPORATIONInventors: Shinji Ishii, Keita Miyamoto, Takafumi Kawaura, Shumpei Kuwamura
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Publication number: 20230269339Abstract: A communication apparatus is provided. The communication apparatus receives first information relating to IEEE 802.1X authentication from an information processing apparatus via a first wireless connection between the communication apparatus and another apparatus, terminates the first wireless connection, executes the IEEE 802.1X authentication based on the first information received in a state in which the first wireless connection is not established, and executes processing to re-establish the first wireless connection on the basis of the IEEE 802.1X authentication failing.Type: ApplicationFiled: February 16, 2023Publication date: August 24, 2023Inventor: TAKAFUMI ISHII
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Patent number: 11299485Abstract: The present invention relates to thiophene derivatives represented by the following formula (I): wherein each symbol is as defined in the DESCRIPTION, or a salt thereof, which has TNF-? production suppressive activity and hematologic cancer cell proliferation inhibitory activity, and is useful for the treatment of rheumatoid arthritis, Crohn's disease, ulcerative colitis, and further, hematologic cancer.Type: GrantFiled: January 25, 2019Date of Patent: April 12, 2022Assignee: FUJIMOTO CO., LTD.Inventors: Mayumi Watanabe, Takashi Ando, Yasuyuki Ueda, Kenya Matsushita, Yasuhiko Mizutani, Jun Takahashi, Mitsuo Yamada, Hironori Yokoyama, Daiki Kanaoka, Kazunori Urabe, Takafumi Ishii
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Patent number: 11276865Abstract: A carbon catalyst has improved catalytic activity, and an electrode and a battery include the carbon catalyst. A carbon catalyst includes a metal and phosphorus atoms, wherein a ratio of a concentration (atomic %) of the phosphorus atoms exhibiting a peak having a peak top within a range of 132.5±0.3 eV and having a full width at half maximum of 2.0±0.5 eV, which is obtained by peak separation of a phosphorus atom P2p peak, with respect to a concentration (atomic %) of carbon atoms in X-ray photoelectron spectroscopic measurement is 0.0005 or more.Type: GrantFiled: November 30, 2017Date of Patent: March 15, 2022Assignees: NISSHINBO HOLDINGS INC., NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITYInventors: Rieko Kameyama, Yasuo Imashiro, Jun-ichi Ozaki, Takafumi Ishii
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Publication number: 20210371635Abstract: A resin composition including: at least one resin ingredient selected from the group made of a resin (A) having a side chain (a) containing a hydrogen-bonding cross-linking moiety with a carbonyl-containing group and/or a nitrogen-containing heterocycle and having a glass transition point of 25° C. or lower, and a resin (B) containing a hydrogen-bonding cross-linking moiety and a covalent-bonding cross-linking moiety in a side chain and having a glass transition point of 25° C. or lower, wherein both the resin (A) and the resin (B) are a reaction product of a cross-linking agent with a maleic anhydride-modified thermoplastic resin having a melting point of 68° C. to 134° C. and a maleation rate of 0.5 to 2.5% by mass.Type: ApplicationFiled: July 30, 2019Publication date: December 2, 2021Applicant: ENEOS CORPORATIONInventors: Keisuke CHINO, Yoshihiro MORINAGA, Yuhei SASAKI, Takafumi ISHII, Toshiyuki IWASAKI
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Patent number: 11114672Abstract: A carbon catalyst, a battery electrode, and a battery, each exhibits excellent catalytic performance. A carbon catalyst contains two kinds of transition metals and has such a carbon structure that an interplanar spacing d002, which is determined from a Bragg angle of one of three diffraction peaks fbroad, fmiddle, and fnarrow obtained by separating a diffraction peak around a diffraction angle (2?) of 26° in an X-ray diffraction pattern of powder X-ray diffraction with a CuK? ray, the one diffraction peak being the diffraction peak fbroad, is 0.374 nm or more.Type: GrantFiled: June 1, 2017Date of Patent: September 7, 2021Assignees: NISSHINBO HOLDINGS INC., NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITYInventors: Yoshikazu Kobayashi, Yuji Kubota, Jun-ichi Ozaki, Takafumi Ishii, Takuya Maie
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Publication number: 20210061795Abstract: The present invention relates to thiophene derivatives represented by the following formula (I): wherein each symbol is as defined in the DESCRIPTION, or a salt thereof, which has TNF-? production suppressive activity and hematologic cancer cell proliferation inhibitory activity, and is useful for the treatment of rheumatoid arthritis, Crohn's disease, ulcerative colitis, and further, hematologic cancer.Type: ApplicationFiled: January 25, 2019Publication date: March 4, 2021Applicant: FUJIMOTO CO., LTD.Inventors: Mayumi WATANABE, Takashi ANDO, Yasuyuki UEDA, Kenya MATSUSHITA, Yasuhiko MIZUTANI, Jun TAKAHASHI, Mitsuo YAMADA, Hironori YOKOYAMA, Daiki KANAOKA, Kazunori URABE, Takafumi ISHII
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Publication number: 20190296365Abstract: A carbon catalyst has improved catalytic activity, and an electrode and a battery include the carbon catalyst. A carbon catalyst includes a metal and phosphorus atoms, wherein a ratio of a concentration (atomic %) of the phosphorus atoms exhibiting a peak having a peak top within a range of 132.5±0.3 eV and having a full width at half maximum of 2.0±0.5 eV, which is obtained by peak separation of a phosphorus atom P2p peak, with respect to a concentration (atomic %) of carbon atoms in X-ray photoelectron spectroscopic measurement is 0.0005 or more.Type: ApplicationFiled: November 30, 2017Publication date: September 26, 2019Applicants: NISSHINBO HOLDINGS INC., NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITYInventors: Rieko KAMEYAMA, Yasuo IMASHIRO, Jun-ichi OZAKI, Takafumi ISHII
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Patent number: 10392249Abstract: A hydrogen storage carbon material having a carbon structure suited for hydrogen storage and a production method thereof. The hydrogen storage carbon material according to this embodiment includes a carbon structure which has a ratio of an ultramicropore volume to a micropore volume of 60% or more, and in which stored hydrogen exhibits, in 1H-NMR measurement, a second peak at a position corresponding to a chemical shift of from ?2 ppm to ?20 ppm with respect to a first peak attributed to gaseous hydrogen.Type: GrantFiled: June 17, 2016Date of Patent: August 27, 2019Assignees: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY, NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY, NISSHINBO HOLDINGS INC.Inventors: Haruo Kumagai, Jun-ichi Ozaki, Asao Oya, Takafumi Ishii, Takuya Maie, Rieko Kobayashi, Yasuo Imashiro
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Publication number: 20190190034Abstract: A carbon catalyst, a battery electrode, and a battery, each exhibits excellent catalytic performance. A carbon catalyst contains two kinds of transition metals and has such a carbon structure that an interplanar spacing d002, which is determined from a Bragg angle of one of three diffraction peaks fbroad, fmiddle, and fnarrow obtained by separating a diffraction peak around a diffraction angle (2?) of 26° in an X-ray diffraction pattern of powder X-ray diffraction with a CuK? ray, the one diffraction peak being the diffraction peak fbroad, is 0.374 nm or more.Type: ApplicationFiled: June 1, 2017Publication date: June 20, 2019Applicants: NISSHINBO HOLDINGS INC., NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITYInventors: Yoshikazu KOBAYASHI, Yuji KUBOTA, Jun-ichi OZAKI, Takafumi ISHII, Takuya MAIE
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Publication number: 20180179057Abstract: A hydrogen storage carbon material having a carbon structure suited for hydrogen storage and a production method thereof. The hydrogen storage carbon material according to this embodiment includes a carbon structure which has a ratio of an ultramicropore volume to a micropore volume of 60% or more, and in which stored hydrogen exhibits, in 1H-NMR measurement, a second peak at a position corresponding to a chemical shift of from ?2 ppm to ?20 ppm with respect to a first peak attributed to gaseous hydrogen.Type: ApplicationFiled: June 17, 2016Publication date: June 28, 2018Applicants: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSIT Y, NATIONAL UNIVERSITY CORPORATION GUNMA UNIVERSITY, NISSHINBO HOLDINGS INC.Inventors: Haruo KUMAGAI, Jun-ichi OZAKI, Asao OYA, Takafumi ISHII, Takuya MAIE, Rieko KOBAYASHI, Yasuo IMASHIRO
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Patent number: 9176201Abstract: In a ground fault detection device, two photovoltaic strings are disconnected from a photovoltaic power generation system, measurement for one photovoltaic string is performed by a measuring instrument, and in parallel therewith, the other photovoltaic string before measurement is charged/discharged by a charging/discharging unit by executing various functions of the calculation control unit. In other words, charging/discharging of the photovoltaic string is performed in advance at the same timing as the measurement of the photovoltaic string so that the measurement can be performed immediately after the photovoltaic string is connected to the measuring instrument in a subsequent step.Type: GrantFiled: July 31, 2012Date of Patent: November 3, 2015Assignee: JX NIPPON OIL & ENERGY CORPORATIONInventors: Takafumi Ishii, Taeko Kamegawa, Masanobu Yoshidomi
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Publication number: 20150188487Abstract: A failure detection device is a failure detection device that detects failure of a bypass diode for at least one photovoltaic string including photovoltaic cells and at least one bypass diode connected in parallel with the photovoltaic cell and disconnected from a load, including a current source circuit that supplies a current having a specified current value from a negative electrode to a positive electrode of the photovoltaic string, a voltage measurement unit that measures a potential difference between the negative electrode and the positive electrode of the photovoltaic string when the current source circuit supplies the current, and a control/determination unit that determines failure of the bypass diode based on the potential difference measured by the voltage measurement unit.Type: ApplicationFiled: July 2, 2013Publication date: July 2, 2015Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Masanobu Yoshidomi, Takafumi Ishii
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Publication number: 20140373895Abstract: A photovoltaic unit comprising photovoltaics for generating power by utilizing solar light and a bypass diode connected in parallel with the photovoltaics further comprises a reaction element adapted to react to a current flowing therethrough and connected in parallel with the photovoltaics and bypass diode and a blocking element connected in series with the photovoltaics. The reaction element is constructed such as to react to a current flowing therethrough when no current flows through the bypass diode while a reverse voltage is applied to the photovoltaics. The blocking element blocks a current of the photovoltaics according to the reaction of the reaction element.Type: ApplicationFiled: January 24, 2013Publication date: December 25, 2014Inventors: Masanobu Yoshidomi, Takafumi Ishii
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Publication number: 20140360553Abstract: A photovoltaic power generation system comprises a photovoltaic module having a photovoltaics for generating power by utilizing solar light, a bypass diode connected in parallel with the photovoltaics, and a detection unit for detecting an open-mode failure of the bypass diode. A failure detection method comprises a detection step of detecting an open-mode failure of a bypass diode connected in parallel with a photovoltaics for generating power by utilizing solar light, the detection step detecting the open-mode failure of the bypass diode when a predetermined reverse voltage value is applied to the photovoltaics, the predetermined reverse voltage value being a voltage drop value greater than that of the photovoltaics occurring when a current having a maximum current value flows through the bypass diode.Type: ApplicationFiled: January 30, 2013Publication date: December 11, 2014Applicant: JX Nippon Oil & Energy CorporationInventors: Masanobu Yoshidomi, Takafumi Ishii
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Patent number: 8860430Abstract: An object is to detect an insulation failure of a DC circuit with high sensitivity and in safety by means of a simple detection circuit. An insulation resistance measurement device of this invention is a device for measuring an insulation resistance to ground of a DC source circuit and is provided with connection terminals for connections to a positive electrode and a negative electrode of a series power supply, switch elements connected between the connection terminals and the ground potential and configured to switch connections between the connection terminals and the ground potential, resistive elements connected through the switch elements between the connection terminals respectively, and the ground potential, and a voltage detection unit for detecting voltage drops in the resistive elements.Type: GrantFiled: May 18, 2010Date of Patent: October 14, 2014Assignees: JX Nippon Oil & Energy Corporation, Yoshidomi Electric, Nippon Yusen Kabushiki Kaisha, Monohakobi Technology InstituteInventors: Takafumi Ishii, Masanobu Yoshidomi
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Publication number: 20140253138Abstract: In a ground fault detection device, two photovoltaic strings are disconnected from a photovoltaic power generation system, measurement for one photovoltaic string is performed by a measuring instrument, and in parallel therewith, the other photovoltaic string before measurement is charged/discharged by a charging/discharging unit by executing various functions of the calculation control unit. In other words, charging/discharging of the photovoltaic string is performed in advance at the same timing as the measurement of the photovoltaic string so that the measurement can be performed immediately after the photovoltaic string is connected to the measuring instrument in a subsequent step.Type: ApplicationFiled: July 31, 2012Publication date: September 11, 2014Applicant: JX NIPPON OIL & ENERGY CORPORATIONInventors: Takafumi Ishii, Taeko Kamegawa, Masanobu Yoshidomi