Patents by Inventor Tsutomu Iwaki

Tsutomu Iwaki 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: 20220340566
    Abstract: A compound represented by formula (I): or its pharmaceutically acceptable salt, wherein a group represented by formula: is a group represented by formula: R1 is each independently halogen, hydroxy, cyano or the like; m is 0, 1, 2, 3 or 4; R2 is a hydrogen atom, halogen, cyano, substituted or unsubstituted alkyl or the like; R3a, R3b, R3c and R3d are each independently hydrogen atom, halogen or the like, with the proviso that R3a, R3b, R3c and R3d are not simultaneously hydrogen atom; ring C is represented as follows: X is CH or N; Y is CH or N; R4 is each independently halogen, hydroxy, cyano or the like; p is 0 or 1; q is 0, 1, 2, 3 or 4; R5 is CR5C or N; R6 is CR6C or N; R7 is CR7C or N; R8 is CR8C or N; R9 is CR9C or N; with the proviso that R5, R6, R7, R8 and R9 are not simultaneously N; R5C, R6C, R7C, R8C and R9C are each independently hydrogen atom or the like.
    Type: Application
    Filed: September 10, 2020
    Publication date: October 27, 2022
    Applicants: Shionogi & Co., Ltd., HSIRI THERAPEUTICS, INC.
    Inventors: Manabu FUJITANI, Tsutomu IWAKI, Rina NAKAMURA, Marvin J. MILLER, Garrett C. MORASKI
  • Patent number: 10797323
    Abstract: A current collector included in a fuel cell, the fuel cell including a membrane electrode assembly including a solid polymer electrolyte layer and a pair of electrode layers formed to sandwich the solid polymer electrolyte layer, the current collector stacked on each electrode layer, and a gas flow path for supply of a gas to each electrode layer, the current collector including a metal porous body which is stacked on the electrode layer, has a flowing gas supplied to the electrode layer, and is rendered conducting to the electrode layer, and the metal porous body including an electrically conductive layer containing electrically conductive particles fixed to a corrosion-resistant and water-repellent resin at least on a side of the electrode layer.
    Type: Grant
    Filed: March 19, 2015
    Date of Patent: October 6, 2020
    Assignees: Sumitomo Electric Industries, Ltd., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Kazuki Okuno, Takahiro Higashino, Masatoshi Majima, Tsutomu Iwaki, Masahiro Yanagida, Tetsuo Sakai
  • Publication number: 20180362543
    Abstract: The present invention provides a novel compound having an antiviral activity, in particular, an HIV replication inhibiting activity, as well as a pharmaceutical composition, in particular, an anti-HIV agent. wherein ring A is substituted or unsubstituted carbocycle or substituted or unsubstituted heterocycle; R1 is substituted or unsubstituted alkyl etc.; R2 is substituted or unsubstituted alkyloxy etc.; n is 1 or 2; R3 is substituted or unsubstituted carbocyclyl or substituted or unsubstituted heterocyclyl; R4 is a hydrogen atom etc.; R6 is substituted or unsubstituted alkyl etc.
    Type: Application
    Filed: August 23, 2018
    Publication date: December 20, 2018
    Applicant: Shionogi & Co., Ltd.
    Inventors: Kenji TOMITA, Yoshiyuki TAODA, Tsutomu IWAKI, Takashi KAWASUJI, Toshiyuki AKIYAMA, Shuichi SUGIYAMA, Yoshinori TAMURA, Masafumi IWATSU
  • Publication number: 20170117557
    Abstract: A current collector included in a fuel cell, the fuel cell including a membrane electrode assembly including a solid polymer electrolyte layer and a pair of electrode layers formed to sandwich the solid polymer electrolyte layer, the current collector stacked on each electrode layer, and a gas flow path for supply of a gas to each electrode layer, the current collector including a metal porous body which is stacked on the electrode layer, has a flowing gas supplied to the electrode layer, and is rendered conducting to the electrode layer, and the metal porous body including an electrically conductive layer containing electrically conductive particles fixed to a corrosion-resistant and water-repellent resin at least on a side of the electrode layer.
    Type: Application
    Filed: March 19, 2015
    Publication date: April 27, 2017
    Applicants: Sumitomo Electric Industries, Ltd., NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Kazuki OKUNO, Takahiro HIGASHINO, Masatoshi MAJIMA, Tsutomu IWAKI, Masahiro YANAGIDA, Tetsuo SAKAI
  • Patent number: 9620770
    Abstract: Disclosed is a nickel positive electrode for a fiber battery having a long life duration, and also being enabling a high output and high capacity to be attained. For this purpose, the nickel positive electrode for a fiber battery is obtained by coating a carbon fiber with nickel, then causing a cathodic polarization in a nickel nitrate bath using the nickel-coated carbon fiber as a cathode, and then immersing the precipitate, which was deposited on the surface of the carbon fiber by the cathodic polarization, in an aqueous caustic alkali solution.
    Type: Grant
    Filed: November 18, 2009
    Date of Patent: April 11, 2017
    Assignees: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, KAWASAKI JUKOGYO KABUSHIKI KAISHA
    Inventors: Tomoaki Takasaki, Tetsuo Sakai, Takashi Mukai, Tsutomu Iwaki, Kazuo Tsutsumi, Kazuya Nishimura
  • Publication number: 20150361093
    Abstract: The present invention provides a novel compound having an antiviral activity, in particular, an HIV replication inhibiting activity, as well as a pharmaceutical composition, in particular, an anti-HIV agent. wherein ring A is substituted or unsubstituted carbocycle or substituted or unsubstituted heterocycle; R1 is substituted or unsubstituted alkyl etc.; R2 is substituted or unsubstituted alkyloxy etc.; n is 1 or 2; R3 is substituted or unsubstituted carbocyclyl or substituted or unsubstituted heterocyclyl; R4 is a hydrogen atom etc.; R6 is substituted or unsubstituted alkyl etc.
    Type: Application
    Filed: January 30, 2014
    Publication date: December 17, 2015
    Applicant: Shionogi & Co., Ltd.
    Inventors: Kenji TOMITA, Yoshiyuki TAODA, Tsutomu IWAKI, Takashi KAWASUJI, Toshiyuki AKIYAMA, Shuichi SUGIYAMA, Yoshinori TAMURA, Masafumi IWATSU
  • Patent number: 9199959
    Abstract: The present invention provides a novel compound having an antiviral action, in particular, an HIV replication inhibiting action, as well as a pharmaceutical composition, in particular, an anti-HIV agent. wherein, a broken line means the presence or absence of a bond; R1 is substituted or unsubstituted alkyl etc., R2 is substituted or unsubstituted alkyloxy etc.; n is 1 or 2; R3 is a substituted or unsubstituted aromatic carbocyclic group; R4 is a hydrogen atom etc.; R5 is a substituted or unsubstituted aromatic carbocyclic group etc.; Y is a single bond etc.; R6 is substituted or unsubstituted alkyl; R7 is —Z—R71 etc.; Z is —NR72—CO— etc.; R71 is substituted or unsubstituted alkyl etc.; R72 is a hydrogen atom etc.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: December 1, 2015
    Assignee: SHIONOGI & CO., LTD.
    Inventors: Tsutomu Iwaki, Kenji Tomita
  • Patent number: 8933012
    Abstract: The present invention provides a novel glycopeptide antibiotic derivative.
    Type: Grant
    Filed: May 25, 2007
    Date of Patent: January 13, 2015
    Assignee: Shionogi & Co., Ltd.
    Inventors: Yasuhiro Nishitani, Osamu Yoshida, Tsutomu Iwaki, Issei Kato
  • Publication number: 20140249306
    Abstract: The present invention provides a novel compound having an antiviral action, in particular, an HIV replication inhibiting action, as well as a pharmaceutical composition, in particular, an anti-HIV agent. wherein, a broken line means the presence or absence of a bond; R1 is substituted or unsubstituted alkyl etc., R2 is substituted or unsubstituted alkyloxy etc.; n is 1 or 2; R3 is a substituted or unsubstituted aromatic carbocyclic group; R4 is a hydrogen atom etc.; R5 is a substituted or unsubstituted aromatic carbocyclic group etc.; Y is a single bond etc.; R6 is substituted or unsubstituted alkyl; R7 is —Z—R71 etc.; Z is —NR72—CO— etc.; R71 is substituted or unsubstituted alkyl etc.; R72 is a hydrogen atom etc.
    Type: Application
    Filed: October 25, 2012
    Publication date: September 4, 2014
    Applicant: Shionogi & Co., Ltd.
    Inventors: Tsutomu Iwaki, Kenji Tomita
  • Patent number: 8778874
    Abstract: Novel glycopeptide antibiotic derivatives. These derivatives are represented by the formula (aglycon part of glycopeptide antibiotic derivative)-(Sac-NH)—RA [wherein (aglycon part of glycopeptide antibiotic derivative) is the part formed by removing the sugar part from a known glycopeptide antibiotic derivative; (Sac-NH) part is an amino sugar part or a sugar chain part containing an amino sugar; and RA represents, e.g., the formula —X1—Ar1—X2—Y—X3—Ar2 (wherein X1, X2, and X3 each represents 1) a single bond or 2) a heteroatom or heteroatom-containing group selected from the group consisting of —N?, ?N—, —NR1—, —O—, etc.; Y represents —NR2CO— or —CONR2— (wherein R2 represents hydrogen or lower alkyl), etc.)]. These derivatives have antibacterial activity against vancomycin-resistant bacteria.
    Type: Grant
    Filed: November 24, 2005
    Date of Patent: July 15, 2014
    Assignees: National University Corporation Nagoya University, Shionogi & Co., Ltd.
    Inventors: Hirokazu Arimoto, Jun Lu, Yoshinori Yamano, Tatsuro Yasukata, Osamu Yoshida, Tsutomu Iwaki, Yutaka Yoshida, Issei Kato, Kenji Morimoto, Kayo Yasoshima
  • Patent number: 8575337
    Abstract: The present invention provides a novel antimicrobial drug comprising an oxazolidinone derivative of the formula (I): or a pharmaceutically acceptable salt or solvate thereof.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: November 5, 2013
    Assignee: Research Foundation Itsuu Laboratory
    Inventors: Issei Katoh, Toshiaki Aoki, Hideyuki Suzuki, Iwao Utsunomiya, Norikazu Kuroda, Tsutomu Iwaki
  • Patent number: 8530646
    Abstract: The present invention provides a novel oxazolidinone derivative of the formula (I): wherein Rings A and B are defined as in the specification; X1is a single bond, or a heteroatom-containing group selected from the group consisting of —O—, —S—, —NR2—, —CO—, —CS—, —CONR3—, —NR4CO—, —SONR5—, and NR6SO2—, wherein R2, R3, R4, R5, and R6 are independently hydrogen or lower alkyl, or lower alkylene or lower alkenylene each optionally interrupted by said heteroatom containing group; and R1 is hydrogen, or an organic residue which is able to bind to the 5-position of the oxazolidinone ring in oxazolidinone antimicrobial agents, pharmaceutically acceptable salts and solvates thereof which are useful as an antibacterial agent.
    Type: Grant
    Filed: October 1, 2008
    Date of Patent: September 10, 2013
    Assignees: Research Foundation Itsuu Laboratory, Shionogi & Co., Ltd.
    Inventors: Hideyuki Suzuki, Iwao Utsunomiya, Koichi Shudo, Tsutomu Iwaki, Tatsuro Yasukata
  • Patent number: 8373994
    Abstract: According to one embodiment, an electronic apparatus includes a housing, a circuit board in the housing, a module, a holder, and a buffer. The housing includes a wall. The circuit board includes a first connector. The module includes a second connector configured to engage with the first connector. The holder holds the module. The buffer is configured to be interposed between the wall and the holder such that a gap remains between the first connector and the second connector in a range in which the first connector is electrically connected to the second connector.
    Type: Grant
    Filed: October 20, 2010
    Date of Patent: February 12, 2013
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tomoko Kitamura, Tomohiro Hamada, Tsutomu Iwaki, Toshio Konno, Kohei Wada
  • Patent number: 8294725
    Abstract: According to one embodiment, an information processing apparatus comprises video memories each corresponding to each of the display devices, a determination module configured to determine whether an access that satisfies conditions preset with respect to display of the display devices exists in at least one of the video memories, and a changing module configured to change, when the determination module determines that the access that satisfies conditions preset with respect to display of the display devices does not exist in at least one of the video memories, an operation state of a display device corresponding to the at least one of the video memories determined that an access does not exist, from a first operation state to a second operation state having a power consumption lower than a power consumption of the first operation state.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: October 23, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tsutomu Iwaki, Koji Hachiya
  • Patent number: 8236448
    Abstract: An electrode substrate for a battery has nickel applied as a coat on the surface of a base constituted of crossing of a plurality of fibers including a core formed of synthetic resin and a coating of synthetic resin having a softening temperature lower than the softening temperature of the synthetic resin forming the core. The electrode substrate has the fibers of the base fusion-bonded at a cross point by heat treatment. The ratio of the coating occupying a II-II cross section of the fiber cross point is larger than the ratio of the coating occupying a fiber cross section (III-III cross section) at a site other than at the cross point.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: August 7, 2012
    Assignees: Sumitomo Electric Industries, Ltd., National Institute of Advanced Industrial Science and Technology
    Inventors: Kazuki Okuno, Jin-Joo Park, Masahiro Kato, Masaru Yao, Tsutomu Iwaki, Tetsuo Sakai
  • Publication number: 20120182302
    Abstract: According to one embodiment, a graphics processing unit comprises a host interface, a plurality of processing cores, an arithmetic control unit, a video signal output interface, and an audio signal output interface. The host interface is configured to receive video data and audio data from a host. The arithmetic control unit is configured to process the video and audio data using at least a first processing core and a second processing core respectively. The video signal output interface is configured to output a video signal corresponding to the processed video data. The audio signal output interface is configured to output an audio signal corresponding to the processed audio data.
    Type: Application
    Filed: March 23, 2012
    Publication date: July 19, 2012
    Inventors: Tsutomu Iwaki, Koji Hachiya
  • Patent number: 8174529
    Abstract: According to one embodiment, a graphics processing unit detects characteristics of video data by analyzing frames of the video data by using at least one first processing core of a plurality of processing cores, and applies a process, which is associated with the detected characteristics of the video data, to audio data on a memory, by using at least one second processing core of the plurality of processing cores. The graphics processing unit includes an audio signal output interface and outputs an audio signal corresponding to the audio data, to which the process has been applied, to a sound device.
    Type: Grant
    Filed: April 14, 2011
    Date of Patent: May 8, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tsutomu Iwaki, Koji Hachiya
  • Publication number: 20120001930
    Abstract: According to one embodiment, a graphics processing unit detects characteristics of video data by analyzing frames of the video data by using at least one first processing core of a plurality of processing cores, and applies a process, which is associated with the detected characteristics of the video data, to audio data on a memory, by using at least one second processing core of the plurality of processing cores. The graphics processing unit includes an audio signal output interface and outputs an audio signal corresponding to the audio data, to which the process has been applied, to a sound device.
    Type: Application
    Filed: April 14, 2011
    Publication date: January 5, 2012
    Inventors: Tsutomu Iwaki, Koji Hachiya
  • Patent number: 8081443
    Abstract: A video signal output control method in an information processing apparatus which being to be locked to an external unit by a lock mechanism, the video signal output control method includes detecting the state of the lock mechanism, and stopping the output of the video signal to the external unit, when the lock mechanism is in the unlocked state.
    Type: Grant
    Filed: December 11, 2009
    Date of Patent: December 20, 2011
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Tsutomu Iwaki
  • Publication number: 20110287320
    Abstract: Disclosed is a nickel positive electrode for a fiber battery having a long life duration, and also being enabling a high output and high capacity to be attained. For this purpose, the nickel positive electrode for a fiber battery is obtained by coating a carbon fiber with nickel, then causing a cathodic polarization in a nickel nitrate bath using the nickel-coated carbon fiber as a cathode, and then immersing the precipitate, which was deposited on the surface of the carbon fiber by the cathodic polarization, in an aqueous caustic alkali solution.
    Type: Application
    Filed: November 18, 2009
    Publication date: November 24, 2011
    Applicants: KAWASAKI JUKOGYO KABUSHIKI KAISHA, NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY
    Inventors: Tomoaki Takasaki, Tetsuo Sakai, Takashi Mukai, Tsutomu Iwaki, Kazuo Tsutsumi, Kazuya Nishimura