Patents by Inventor Takafumi Hosokawa

Takafumi Hosokawa 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).

  • Patent number: 11596602
    Abstract: Provided is a biocompatible material capable of forming a gel having excellent retention and scratch resistance. The biocompatible material according to the embodiment of the present invention includes an alginate having a weight-average molecular weight of 1 million or more, an aluminum compound, a carboxyvinyl polymer, and an oil-based base material. However, the biocompatible material is substantially free of water.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: March 7, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Haruki Tomikawa, Koji Takaku, Kosuke Chiba, Takafumi Hosokawa
  • Publication number: 20230064832
    Abstract: A battery, in which a damage on an electrode tab group is suitably inhibited, is provided. The herein disclosed battery satisfies D1>D2 in the case where a length of an interval from a first end part existing in a surface direction along the first side wall to a positive electrode tab join part is treated as D1 and a length of an interval from a second end part to a negative electrode tab join part in the above described surface direction is treated as D2.
    Type: Application
    Filed: August 17, 2022
    Publication date: March 2, 2023
    Applicant: PRIME PLANET ENERGY & SOLUTIONS, INC.
    Inventors: Takafumi HOSOKAWA, Takashi HOSOKAWA
  • Publication number: 20230044640
    Abstract: This non-aqueous electrolyte secondary battery comprises an electrode body in which a first separator, a positive electrode plate, a second separator, and a negative electrode plate are layered and coiled for 10 or more turns. The electrode body includes: a flat section in which the outer peripheral surface is flat; and two curved surface sections which are disposed at both ends in a first direction of the flat section and in which the outer peripheral surface is curved. The non-aqueous electrolyte secondary battery includes: a winding-end tape that is adhered to the outermost peripheral surface of the electrode body; and a positive electrode protective tape that is adhered to a winding-start-side end section on the inner peripheral side of the positive electrode plate. The winding-end tape is disposed on one of the two curved surface sections.
    Type: Application
    Filed: December 15, 2020
    Publication date: February 9, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Shuji Ogawa, Takashi Hosokawa, Takafumi Hosokawa
  • Publication number: 20230042848
    Abstract: This secondary battery is provided with an electrode body formed by laminating a positive electrode and a negative electrode with a separator interposed therebetween. The separator includes a first layer and a second layer having a lesser thermal shrinkage than the first layer, and has a tubular part that is formed in a tubular shape and that constitutes the outermost surface of the electrode body. The tubular part, of the separator, that constitutes the outermost surface of the electrode body has a tape stuck thereto in at least one end portion in the axial direction, the tape pressing the one end portion in the axial direction from one side to the other side in the lamination direction of the electrode body.
    Type: Application
    Filed: December 15, 2020
    Publication date: February 9, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Takafumi Hosokawa, Taiki Nonaka
  • Publication number: 20230036396
    Abstract: This secondary battery comprises an electrode body obtained by laminating positive electrodes and negative electrodes with a separator interposed therebetween. The separator includes a first layer and a second layer having lower thermal shrinkage than the first layer, and has a tubular section that is formed into a tube shape and constitutes the outermost surface of the electrode body. The separator is arranged such that, in the tubular section thereof, the first layer faces the inside and the second layer faces the outside.
    Type: Application
    Filed: December 15, 2020
    Publication date: February 2, 2023
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Takafumi Hosokawa, Taiki Nonaka
  • Patent number: 11551656
    Abstract: Provided is a soundproof structure that is small and light and can sufficiently reduce noise with a high natural frequency of a sound source. There is provided a soundproof structure including a frame having an opening, and at least one membrane-like member fixed to an opening surface where the opening of the frame is formed, in which a rear surface space is formed to be surrounded by the frame and the membrane-like member, and a sound is absorbed due to vibration of the membrane-like member, and a sound absorption coefficient of the vibration of the membrane-like member at a frequency in at least one high-order vibration mode existing at frequencies of 1 kHz or higher is higher than a sound absorption coefficient at a frequency in a fundamental vibration mode.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: January 10, 2023
    Assignee: FUJIFILM Corporation
    Inventors: Shinya Hakuta, Takafumi Hosokawa, Shogo Yamazoe
  • Publication number: 20210351441
    Abstract: A decrease in energy density of a battery is suppressed, and the occurrence of internal short circuit between a positive plate and a negative plate located at the innermost circumference of a curved portion of a flat electrode assembly, where the curvature of the curved portion is greatest, is suppressed. In a nonaqueous electrolyte secondary battery including a flat wound electrode assembly (14), the electrode assembly (14) has a pair of curved portions (20A, 20B) located at either end and a flat portion (21) located between the pair of curved portions. In at least one of the curved portions, at least two layers of a second electrode plate are disposed on an inner side of a curved portion of a first electrode plate located at an innermost circumference.
    Type: Application
    Filed: November 25, 2019
    Publication date: November 11, 2021
    Applicant: SANYO Electric Co., Ltd.
    Inventors: Takafumi Hosokawa, Takashi Hosokawa, Kyohei Kobayashi, Shuji Ogawa
  • Publication number: 20210331630
    Abstract: Provided is a silencing member for an electrified vehicle, which can suitably reduce a narrow band sound generated by a motor or the like, can handle a plurality of frequencies, can prevent generation of a wind noise, and can be miniaturized and thinned.
    Type: Application
    Filed: July 9, 2021
    Publication date: October 28, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Shinya HAKUTA, Takafumi HOSOKAWA, Shogo YAMAZOE
  • Publication number: 20210246296
    Abstract: A film includes a polymer having a weight-average molecular weight equal to or more than Mf1 represented by the following Formula (1), Mf1=6.60×10(4+Me/11,400) (1), in which, in the Formula (1), Me represents an entanglement molecular weight of the polymer, in which a glass transition temperature of the polymer is 60° C. or higher, and a content of fine particles having a particle diameter of from 10 nm to 10 ?m in the film is 40 parts by mass or less with respect to 100 parts by mass of the polymer.
    Type: Application
    Filed: April 20, 2021
    Publication date: August 12, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Takafumi HOSOKAWA, Kenji KANO
  • Publication number: 20210177736
    Abstract: Provided is a biocompatible material capable of forming a gel having excellent retention and scratch resistance. The biocompatible material according to the embodiment of the present invention includes an alginate having a weight-average molecular weight of 1 million or more, an aluminum compound, a carboxyvinyl polymer, and an oil-based base material. However, the biocompatible material is substantially free of water.
    Type: Application
    Filed: February 26, 2021
    Publication date: June 17, 2021
    Applicant: FUJIFILM Corporation
    Inventors: Haruki TOMIKAWA, Koji TAKAKU, Kosuke CHIBA, Takafumi HOSOKAWA
  • Publication number: 20200243058
    Abstract: Provided is a soundproof structure that is small and light and can sufficiently reduce noise with a high natural frequency of a sound source. There is provided a soundproof structure including a frame having an opening, and at least one membrane-like member fixed to an opening surface where the opening of the frame is formed, in which a rear surface space is formed to be surrounded by the frame and the membrane-like member, and a sound is absorbed due to vibration of the membrane-like member, and a sound absorption coefficient of the vibration of the membrane-like member at a frequency in at least one high-order vibration mode existing at frequencies of 1 kHz or higher is higher than a sound absorption coefficient at a frequency in a fundamental vibration mode.
    Type: Application
    Filed: April 17, 2020
    Publication date: July 30, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Shinya HAKUTA, Takafumi HOSOKAWA, Shogo YAMAZOE
  • Publication number: 20200221652
    Abstract: An object of the present invention is to provide a method for producing a plant in order to obtain a plant having a high content of a caffeoylquinic acid compound. Another object of the present invention is to provide a method for producing a processed plant product. The method for producing a plant according to the present invention includes a step of growing at least one plant selected from the group consisting of a tuber other than a sweet potato, a plant belonging to the family Convolvulaceae, and a plant belonging to the family Asteraceae; and a step of subjecting the grown plant to nutriculture using a culture solution which is substantially free of a nitrate ion and a phosphate ion.
    Type: Application
    Filed: March 22, 2020
    Publication date: July 16, 2020
    Applicant: FUJIFILM Corporation
    Inventors: Yuichi WAKATA, Saori MATSUYAMA, Takafumi HOSOKAWA, Yoshihiro ABURAYA
  • Patent number: 9796812
    Abstract: Provided is a polymer obtained by homopolymerizing a lactone monomer. The polymer contains a structural unit having a lactone ring containing three or more carbon atoms, wherein at least one of the carbon atoms, except for C of —C(?O)O—, of the lactone ring forms a part of a main chain; and wherein at least one of the carbon atoms, except for C of —C(?O)O—, which forms the lactone ring and is other than the carbon atom(s) forming a part of the main chain is bridged with an atom of the main chain.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: October 24, 2017
    Assignees: THE UNIVERSITY OF TOKYO, FUJIFILM Corporation
    Inventors: Takafumi Hosokawa, Toshihide Yoshitani, Shingo Ito, Kyoko Nozaki, Ryo Nakano
  • Patent number: 9688810
    Abstract: A resin composed of a particular polymer, the particular polymer including a repeating unit containing a structure derived from a dehydroabietic acid, a specific structural unit, and a specific aromatic ring-containing structural unit in the main chain.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: June 27, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Takafumi Hosokawa, Kiyotaka Fukagawa
  • Publication number: 20160090442
    Abstract: Provided is a polymer obtained by homopolymerizing a lactone monomer. The polymer contains a structural unit having a lactone ring containing three or more carbon atoms, wherein at least one of the carbon atoms, except for C of —C(?O)O—, of the lactone ring forms a part of a main chain; and wherein at least one of the carbon atoms, except for C of —C(?O)O—, which forms the lactone ring and is other than the carbon atom(s) forming a part of the main chain is bridged with an atom of the main chain.
    Type: Application
    Filed: November 12, 2015
    Publication date: March 31, 2016
    Applicants: FUJIFILM CORPORATION, THE UNIVERSITY OF TOKYO
    Inventors: Takafumi HOSOKAWA, Toshihide YOSHITANI, Shingo ITO, Kyoko NOZAKI, Ryo NAKANO
  • Patent number: 8927588
    Abstract: To develop an antibiotic having a novel mechanism of action, the present inventors have searched for a compound that has weak cytotoxicity, the physical property of high solubility in water, the effect of inhibiting both DNA gyrase GyrB and topoisomerase IV ParE subunits, and sufficient antibacterial activity. As a result, the present inventors have completed the present invention by finding that a compound of the present invention represented by the general formula (1), a pharmacologically acceptable salt thereof, and a prodrug thereof have desirable properties. The present invention provides a pharmaceutical composition (particularly, a preventive or therapeutic composition for infectious disease) comprising a compound represented by the formula (1), a pharmacologically acceptable salt thereof, or a prodrug thereof as an active ingredient.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: January 6, 2015
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Tsuyoshi Soneda, Hiroshi Takeshita, Yoshiko Kagoshima, Yuko Yamamoto, Takafumi Hosokawa, Toshiyuki Konosu, Nobuhisa Masuda, Takuya Uchida, Issei Achiwa, Junichi Kuroyanagi, Tetsunori Fujisawa, Aki Yokomizo, Tetsuji Noguchi
  • Publication number: 20140141369
    Abstract: A resin composed of a particular polymer, the particular polymer including a repeating unit containing a structure derived from a dehydroabietic acid, a specific structural unit, and a specific aromatic ring-containing structural unit in the main chain.
    Type: Application
    Filed: January 24, 2014
    Publication date: May 22, 2014
    Applicant: FUJIFILM Corporation
    Inventors: Takafumi HOSOKAWA, Kiyotaka FUKAGAWA
  • Publication number: 20140073622
    Abstract: To develop an antibiotic having a novel mechanism of action, the present inventors have searched for a compound that has weak cytotoxicity, the physical property of high solubility in water, the effect of inhibiting both DNA gyrase GyrB and topoisomerase IV ParE subunits, and sufficient antibacterial activity. As a result, the present inventors have completed the present invention by finding that a compound of the present invention represented by the general formula (1), a pharmacologically acceptable salt thereof, and a prodrug thereof have desirable properties. The present invention provides a pharmaceutical composition (particularly, a preventive or therapeutic composition for infectious disease) comprising a compound represented by the formula (1), a pharmacologically acceptable salt thereof, or a prodrug thereof as an active ingredient.
    Type: Application
    Filed: September 13, 2013
    Publication date: March 13, 2014
    Applicant: Daiichi Sankyo Company, Limited
    Inventors: Tsuyoshi Soneda, Hiroshi Takeshita, Yoshiko Kagoshima, Yuko Yamamoto, Takafumi Hosokawa, Toshiyuki Konosu, Nobuhisa Masuda, Takuya Uchida, Issei Achiwa, Junichi Kuroyanagi, Tetsunori Fujisawa, Aki Yokomizo, Tetsuji Noguchi
  • Patent number: 8586648
    Abstract: An aqueous colorant dispersion including a colorant (A), a polymer (B), and an aqueous liquid medium (I), wherein the polymer (B) is a copolymer including a hydrophilic structural unit and a hydrophobic structural unit, the content of the hydrophobic structural unit in the polymer (B) being more than 80% by mass but less than 100% by mass, the hydrophobic structural unit includes a hydrophobic structural unit (a) having an aromatic ring linked via a linking group to an atom included in the main chain of the polymer (B), the content of aromatic rings in the polymer (B) is 10% by mass or more but less than 20% by mass with respect to the mass of the polymer (B), the hydrophilic structural unit includes a hydrophilic structural unit (b) including an ionic group, and the polymer (B) includes a structural unit (c) different from the hydrophobic structural unit (a) and from the hydrophilic structural unit (b), the content of the structural unit (c) in the polymer (B) being more than 15% by mass but less than 90% by
    Type: Grant
    Filed: February 24, 2009
    Date of Patent: November 19, 2013
    Assignee: FUJIFILM Corporation
    Inventors: Takafumi Hosokawa, Misato Sasada, Naoya Shibata
  • Patent number: 8536197
    Abstract: An antibiotic compound having a novel mechanism of action, weak cytotoxicity, high solubility in water, effective in inhibiting both DNA gyrase GyrB and topoisomerase IV ParE subunits, and having antibacterial activity.
    Type: Grant
    Filed: December 26, 2008
    Date of Patent: September 17, 2013
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Tsuyoshi Soneda, Hiroshi Takeshita, Yoshiko Kagoshima, Yuko Yamamoto, Takafumi Hosokawa, Toshiyuki Konosu, Nobuhisa Masuda, Takuya Uchida, Issei Achiwa, Junichi Kuroyanagi, Tetsunori Fujisawa, Aki Yokomizo, Tetsuji Noguchi