Patents by Inventor Takahiro Sekiguchi

Takahiro Sekiguchi 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).

  • Publication number: 20240166860
    Abstract: The present invention relates to a A resin composition containing: a block copolymer (A) having a polymer block (a1) containing a structural unit derived from an aromatic vinyl compound and a polymer block (a2) containing a structural unit derived from farnesene; a block copolymer (B) having a polymer block (b1) containing a structural unit derived from an aromatic vinyl compound and a polymer block (b2) containing 30 mol % or more of a structural unit derived from isoprene; a plasticizer (C); and a biomass-derived polyolefin-based resin (D), in which the resin composition has a biobased content of 37% by mass or more, and a molded body obtained by using the resin composition.
    Type: Application
    Filed: January 28, 2022
    Publication date: May 23, 2024
    Applicant: KURARAY CO., LTD.
    Inventors: Daisuke KONISHI, Hiromitsu SASAKI, Takahiro SEKIGUCHI, Yuta TOMISHIMA, Takumi HASEGAWA
  • Publication number: 20240117178
    Abstract: A resin composition containing: a block copolymer (I) having a polymer block (a1) containing a structural unit derived from an aromatic vinyl compound and a polymer block (a2) containing a structural unit derived from a conjugated diene compound; a plasticizer (II); and a biomass-derived polyolefin-based resin (III); in which the plasticizer (II) contains a plasticizer (II-1) containing a biomass-derived raw material; and in which the resin composition has a biobased content of 45% by mass or more, and a molded body obtained by using the resin composition.
    Type: Application
    Filed: January 28, 2022
    Publication date: April 11, 2024
    Applicant: KURARAY CO., LTD.
    Inventors: Daisuke KONISHI, Hiromitsu SASAKI, Takahiro SEKIGUCHI, Yuta TOMISHIMA, Takumi HASEGAWA
  • Publication number: 20230265271
    Abstract: A polypropylene-based resin composition, a hydrogenated block copolymer contained in the polypropylene-based resin composition, a molded article containing the polypropylene-based resin composition, and an interior-exterior decorative material for automobiles, which includes the molded article. The polypropylene-based resin composition contains a polypropylene-based polymer (A), an ethylene-?-olefin copolymer rubber (B), and a hydrogenated block copolymer (C). In the polypropylene-based resin composition, the hydrogenated block copolymer (C) is a hydrogenated product of a block copolymer having at least one polymer block (C-1) mainly composed of an aromatic vinyl compound unit, and having at least one polymer block (C-2) mainly composed of a butadiene (Bd) unit and an isoprene (Ip) unit, a content of the aromatic vinyl compound units in the hydrogenated block copolymer is less than 30% by mass, and a vinyl bond amount of the polymer block (C-2) is 20% or less.
    Type: Application
    Filed: July 29, 2021
    Publication date: August 24, 2023
    Applicant: KURARAY CO., LTD.
    Inventors: Takahiro SEKIGUCHI, Yasushi SENDA
  • Publication number: 20220273817
    Abstract: An object of the present invention is to provide a lipid composition capable of achieving excellent nucleic acid delivery for a wide variety of nucleic acids. According to the present invention, there is provided a lipid composition containing a first lipid which is a lipid represented by Formula (1) or a salt thereof, sterols, and nucleic acid, in which a ratio of the number of moles of the first lipid in the lipid composition to the number of moles of sterols in the lipid composition is 0.300 or more and less than 1.299.
    Type: Application
    Filed: May 13, 2022
    Publication date: September 1, 2022
    Applicant: FUJIFILM Corporation
    Inventors: Takahiro SEKIGUCHI, Taisuke ENDO, Shun KANEUMI, Masaki NORO, Shintaro TANABE, Masahiko YAMAMOTO
  • Patent number: 11166913
    Abstract: An object of the present invention is to provide a tumor therapeutic agent and a kit which have superior antitumor effects as compared with gemcitabine, a taxane antitumor agent, and a combination therapy thereof which have been put on the market. According to the present invention, there is provided a tumor therapeutic agent obtained by combining a taxane antitumor agent with a liposome composition in which gemcitabine or a salt thereof is contained in a liposome.
    Type: Grant
    Filed: May 1, 2018
    Date of Patent: November 9, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Tsukasa Kitahashi, Shinji Mima, Takeshi Matsumoto, Takahiro Sekiguchi, Mikinaga Mori
  • Patent number: 11166914
    Abstract: An object of the present invention is to provide a tumor therapeutic agent and a kit which have superior antitumor effects as compared with gemcitabine, a taxane antitumor agent, and a combination therapy thereof which have been put on the market. According to the present invention, there is provided a tumor therapeutic agent obtained by combining a taxane antitumor agent with a liposome composition in which gemcitabine or a salt thereof is contained in a liposome.
    Type: Grant
    Filed: March 3, 2020
    Date of Patent: November 9, 2021
    Assignee: FUJIFILM Corporation
    Inventors: Tsukasa Kitahashi, Shinji Mima, Takeshi Matsumoto, Takahiro Sekiguchi, Mikinaga Mori
  • Publication number: 20210275453
    Abstract: An object of the present invention is to provide a tumor therapeutic agent and a kit which have superior antitumor effects as compared with gemcitabine, a taxane antitumor agent, and a combination therapy thereof which have been put on the market. According to the present invention, there is provided a tumor therapeutic agent obtained by combining a taxane antitumor agent with a liposome composition in which gemcitabine or a salt thereof is contained in a liposome.
    Type: Application
    Filed: February 25, 2021
    Publication date: September 9, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Tsukasa KITAHASHI, Shinji MIMA, Takeshi MATSUMOTO, Takahiro SEKIGUCHI, Mikinaga MORI
  • Publication number: 20210128471
    Abstract: An object of the present invention is to provide a liposome composition containing a liposome having an excellent leakage rate of a nucleic acid analog anticancer agent, and a method for producing the same. According to the present invention, there are provided a liposome composition containing a liposome which (1) contains a nucleic acid analog anticancer agent and in which (2) a content ratio of a lysophospholipid contained in a lipid forming the liposome with respect to a total amount of phospholipids other than the lysophospholipid contained in the lipid forming the liposome is 0.01 mol % to 5 mol % and (3) a nucleic acid analog anticancer agent/lipid ratio is 2 mass % to 10 mass %, and a method for producing the same.
    Type: Application
    Filed: January 4, 2021
    Publication date: May 6, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Takahiro SEKIGUCHI, Mikinaga MORI, Kentaro NUMAJIRI, Hiroyuki KITAOKA
  • Publication number: 20200197305
    Abstract: An object of the present invention is to provide a tumor therapeutic agent and a kit which have superior antitumor effects as compared with gemcitabine, a taxane antitumor agent, and a combination therapy thereof which have been put on the market. According to the present invention, there is provided a tumor therapeutic agent obtained by combining a taxane antitumor agent with a liposome composition in which gemcitabine or a salt thereof is contained in a liposome.
    Type: Application
    Filed: March 3, 2020
    Publication date: June 25, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Tsukasa KITAHASHI, Shinji Mima, Takeshi Matsumoto, Takahiro Sekiguchi, Mikinaga Mori
  • Patent number: 10447349
    Abstract: A wireless communication system includes a first tag installed on a ground outside a track for a running train, the first tag being driven by wirelessly received power, a second tag installed outside a side face of the train and above the first tag, the side face extending in a running direction, the second tag being driven by wirelessly received power, a wireless communicator which is installed in the train and performs wireless communication with the first tag and the second tag, and an antenna which is installed in the train and has a gain in directions of the first tag and the second tag.
    Type: Grant
    Filed: July 6, 2017
    Date of Patent: October 15, 2019
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takahiro Sekiguchi, Noritaka Deguchi, Tatsuma Hirano, Makoto Higaki, Kazuhiro Inoue
  • Patent number: 10417068
    Abstract: An information processing apparatus includes a receiving unit and a determining unit. The receiving unit receives read information that is read by a reading unit from a storage medium a plurality of number of times. The determining unit determines abnormality in a reading process performed by the reading unit, based on a first result acquired by comparing a time interval of reading the read information with a first threshold, or on a second result acquired by comparing the number of times the reading is performed with a second threshold.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: September 17, 2019
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tatsuma Hirano, Takahiro Sekiguchi
  • Publication number: 20180243215
    Abstract: An object of the present invention is to provide a liposome composition containing a liposome having an excellent leakage rate of a nucleic acid analog anticancer agent, and a method for producing the same. According to the present invention, there are provided a liposome composition containing a liposome which (1) contains a nucleic acid analog anticancer agent and in which (2) a content ratio of a lysophospholipid contained in a lipid forming the liposome with respect to a total amount of phospholipids other than the lysophospholipid contained in the lipid forming the liposome is 0.01 mol % to 5 mol % and (3) a nucleic acid analog anticancer agent/lipid ratio is 2 mass % to 10 mass %, and a method for producing the same.
    Type: Application
    Filed: May 1, 2018
    Publication date: August 30, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Takahiro SEKIGUCHI, Mikinaga MORI, Kentaro NUMAJIRI, Hiroyuki KITAOKA
  • Publication number: 20180243214
    Abstract: An object of the present invention is to provide a tumor therapeutic agent and a kit which have superior antitumor effects as compared with gemcitabine, a taxane antitumor agent, and a combination therapy thereof which have been put on the market. According to the present invention, there is provided a tumor therapeutic agent obtained by combining a taxane antitumor agent with a liposome composition in which gemcitabine or a salt thereof is contained in a liposome.
    Type: Application
    Filed: May 1, 2018
    Publication date: August 30, 2018
    Applicant: FUJIFILM Corporation
    Inventors: Tsukasa KITAHASHI, Shinji MIMA, Takeshi MATSUMOTO, Takahiro SEKIGUCHI, Mikinaga MORI
  • Publication number: 20180067792
    Abstract: An information processing apparatus includes a receiving unit and a determining unit. The receiving unit receives read information that is read by a reading unit from a storage medium a plurality of number of times. The determining unit determines abnormality in a reading process performed by the reading unit, based on a first result acquired by comparing a time interval of reading the read information with a first threshold, or on a second result acquired by comparing the number of times the reading is performed with a second threshold.
    Type: Application
    Filed: February 23, 2017
    Publication date: March 8, 2018
    Applicant: Kabushiki Kaisha Toshiba
    Inventors: Tatsuma HIRANO, Takahiro Sekiguchi
  • Publication number: 20170310368
    Abstract: A wireless communication system includes a first tag installed on a ground outside a track for a running train, the first tag being driven by wirelessly received power, a second tag installed outside a side face of the train and above the first tag, the side face extending in a running direction, the second tag being driven by wirelessly received power, a wireless communicator which is installed in the train and performs wireless communication with the first tag and the second tag, and an antenna which is installed in the train and has a gain in directions of the first tag and the second tag.
    Type: Application
    Filed: July 6, 2017
    Publication date: October 26, 2017
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Takahiro SEKIGUCHI, Noritaka DEGUCHI, Tatsuma HIRANO, Makoto HIGAKI, Kazuhiro INOUE
  • Publication number: 20170121714
    Abstract: An object of the present invention is to provide a method for producing lipid particles which can hold nucleic acids or the like at a high inclusion rate, and a nucleic acid delivery carrier having the lipid particles. According to the present invention, there is provided a method for producing lipid particles including nucleic acids, the method including the following steps of (1) to (4): (1) a step of heating an oil phase containing a phospholipid, an alcohol, and an ester; (2) a step of mixing an oil phase prepared in step (1) with a water phase containing nucleic acids; (3) a step of cooling the mixed liquid which contains the oil phase and the water phase and has been obtained in step (2), and crystallizing lipid particles; and (4) a step of removing the alcohol and the ester from the mixed liquid Which contains the oil phase and the water phase and has been obtained in step (3).
    Type: Application
    Filed: January 13, 2017
    Publication date: May 4, 2017
    Applicant: FUJIFILM Corporation
    Inventors: Naoyuki NISHIKAWA, Susumu SUGIYAMA, Takahiro SEKIGUCHI, Makoto ONO
  • Patent number: 9052367
    Abstract: According to one embodiment, an apparatus includes a control unit and a coil unit. The control unit generates a first clock signal, generates a data signal to indicate an operating condition, modulates the first clock signal by the data signal to obtain a modulated signal, generates a clock transmission signal including the modulated signal, and emits the clock transmission signal. The coil unit converts the clock transmission signal into an electric signal, detects the modulated signal from the clock transmission signal, generates a second clock signal synchronous with the first clock signal from the modulated signal, detects an MR signal generated in a subject, digitizes, synchronously with the second clock signal, the MR signal, detects the data signal from the detected modulated signal by using of the second clock signal, controls the operating condition of the coil unit to be the operating condition indicated by the data signal.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: June 9, 2015
    Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA MEDICAL SYSTEMS CORPORATION
    Inventors: Koji Akita, Takahiro Sekiguchi, Kazuya Okamoto, Sojuro Kato
  • Patent number: 8999298
    Abstract: A dental composition for oral use, containing a phosphorylated saccharide (a), a polyphosphoric acid and/or a salt thereof (b), and a cationic bactericidal agent (c), wherein a ratio of a total amount of the phosphorylated saccharide (a) and the polyphosphoric acid and/or a salt thereof (b) contained to an amount of the cationic bactericidal agent (c) contained, i.e. {(a)+(b)}/(c), is from 0.05 to 20 in a weight ratio.
    Type: Grant
    Filed: January 15, 2009
    Date of Patent: April 7, 2015
    Assignee: National University Corporation Okayama University
    Inventors: Yasuhiro Yoshida, Naoko Namba, Noriyuki Nagaoka, Shogo Takashiba, Kazuomi Suzuki, Yamato Nojiri, Hiroshige Ishino, Takahiro Sekiguchi, Koichi Okada
  • Patent number: 8971427
    Abstract: According to one embodiment, a wireless transceiver system includes a transmitter and a receiver. The transmitter includes a first generator, a second generator, a third generator. The second generator generates fixed data item that has bit values corresponding to the clock signal. The third generator performs OFDM modulation for the fixed data item. The receiver includes a first detector, a second detector, a PLL, a controller. The first detector is configured to detect an envelope that indicates amplitude in a time waveform. The controller is configured to control to operate the PLL from a first time point when the head part is detected to a second time point when a first period is elapsed.
    Type: Grant
    Filed: July 19, 2012
    Date of Patent: March 3, 2015
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Koji Akita, Takahiro Sekiguchi, Toshiyuki Nakanishi
  • Patent number: 8947091
    Abstract: According to one embodiment, an MRI apparatus includes a probe unit and a control/imaging unit. The probe unit includes a probe, a converter, a compressor and a transmitter. The control/imaging unit includes a receiver, an expander and a reconstructor. The probe detects an RF echo signal generated in a subject by a magnetic resonance phenomenon. The converter digitizes the detected signal. The compressor compresses the digitized signal in accordance with a predetermined compression parameter to obtain a compressed signal. The transmitter generates a transmission signal to wirelessly transmit the compressed echo signal and sends the transmission signal to a radio channel. The receiver receives the transmission signal and extracts the compressed signal from the received signal. The expander expands the extracted compressed signal in accordance with the parameter to obtain the RF echo signal. The reconstructor generates a video signal regarding the subject on the basis of the obtained signal.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: February 3, 2015
    Assignees: Kabushiki Kaisha Toshiba, Toshiba Medical Systems Corporation
    Inventors: Toshiyuki Nakanishi, Koji Akita, Takahiro Sekiguchi, Kazuya Okamoto, Sojuro Kato