Patents by Inventor Jun Kunitomo

Jun Kunitomo 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: 11070024
    Abstract: In a semiconductor laser device that includes: a semiconductor laser element that outputs light from an output portion; and a metal stem that holds the semiconductor laser element, the metal stem includes a base that has a reference surface on an upper surface and a protrusion portion that protrudes upward from the reference surface, and the protrusion portion is provided with an installation surface on which the semiconductor laser element is installed and a side surface which is disposed on an identical plane with a part of an outer circumferential surface of the base.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: July 20, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Jun Kunitomo, Nobuhiro Ohkubo, Akiyoshi Sugahara
  • Publication number: 20200067268
    Abstract: In a semiconductor laser device that includes: a semiconductor laser element that outputs light from an output portion; and a metal stem that holds the semiconductor laser element, the metal stem includes a base that has a reference surface on an upper surface and a protrusion portion that protrudes upward from the reference surface, and the protrusion portion is provided with an installation surface on which the semiconductor laser element is installed and a side surface which is disposed on an identical plane with a part of an outer circumferential surface of the base.
    Type: Application
    Filed: April 9, 2018
    Publication date: February 27, 2020
    Inventors: JUN KUNITOMO, NOBUHIRO OHKUBO, AKIYOSHI SUGAHARA
  • Publication number: 20170114044
    Abstract: The present invention provides a compound which has the effect of PDE inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on. A compound of formula (I0) wherein R1 represents a substituent, R2 represents a hydrogen atom, or a substituent, R3 represents a hydrogen atom, or a substituent, Ring A represents an aromatic ring which can be substituted, and Ring B represents a 5-membered heteroaromatic ring which can be substituted, or a salt thereof.
    Type: Application
    Filed: December 13, 2016
    Publication date: April 27, 2017
    Inventors: Takahiko TANIGUCHI, Akira KAWADA, Mitsuyo KONDO, John F. QUINN, Jun KUNITOMO, Masato YOSHIKAWA, Makoto FUSHIMI
  • Patent number: 9550756
    Abstract: The present invention provides a compound which has the effect of PDE inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on. A compound of formula (I0): wherein R1 represents a substituent, R2 represents a hydrogen atom, or a substituent, R3 represents a hydrogen atom, or a substituent, Ring A represents an aromatic ring which can be substituted, and Ring B represents a 5-membered heteroaromatic ring which can be substituted, or a salt thereof.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: January 24, 2017
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Takahiko Taniguchi, Jun Kunitomo, Masato Yoshikawa, Makoto Fushimi
  • Patent number: 9150588
    Abstract: A compound having PDE inhibitory represented by formula (1), W1-W2 (1), wherein (i) W1 is and W2 is (ii) W1 is and W2 is or (iii) W1 is and W2 is or a pharmaceutically acceptable salt thereof; and a method of treating or preventing schizophrenia.
    Type: Grant
    Filed: August 9, 2011
    Date of Patent: October 6, 2015
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Takahiko Taniguchi, Masato Yoshikawa, Tomoaki Hasui, Makoto Fushimi, Jun Kunitomo
  • Patent number: 9090586
    Abstract: The present invention provides a compound represented by the formula (1): wherein each symbol is as defined in the specification, or a salt thereof, a prodrug of the compound or a salt thereof, a medicament containing the compound or a salt thereof, the medicament which is a phosphodiesterase 10A inhibitor, and a medicament which is for preventing or treating schizophrenia.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: July 28, 2015
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Masato Yoshikawa, Shinkichi Suzuki, Tomoaki Hasui, Makoto Fushimi, Jun Kunitomo, Haruhi Kamisaki, Takahiko Taniguchi
  • Patent number: 9029536
    Abstract: The present invention provides a compound which has the effect of PDE 10A inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on.
    Type: Grant
    Filed: August 3, 2011
    Date of Patent: May 12, 2015
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Joseph Raker, Takahiko Taniguchi, Masato Yoshikawa, Tomoaki Hasui, Jun Kunitomo
  • Patent number: 9029388
    Abstract: The present invention provides a compound having a superior PDE10A inhibitory action and use thereof. The compound is a compound represented by the following formula (I): wherein each symbol is as defined in the present specification, or a salt thereof.
    Type: Grant
    Filed: March 15, 2012
    Date of Patent: May 12, 2015
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiko Taniguchi, Jun Kunitomo, Masato Yoshikawa, Tomoaki Hasui, Eiji Honda, Keisuke Imamura, Haruhi Kamisaki, Shinkichi Suzuki, Kasei Miura
  • Publication number: 20150099757
    Abstract: The present invention provides a compound which has the effect of PDE inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on. A compound of formula (I0): wherein R1 represents a substituent, R2 represents a hydrogen atom, or a substituent, R3 represents a hydrogen atom, or a substituent, Ring A represents an aromatic ring which can be substituted, and Ring B represents a 5-membered heteroaromatic ring which can be substituted, or a salt thereof.
    Type: Application
    Filed: October 17, 2014
    Publication date: April 9, 2015
    Inventors: Takahiko TANIGUCHI, Akira KAWADA, Mitsuyo KONDO, John F. QUINN, Jun KUNITOMO, Masato YOSHIKAWA, Makoto FUSHIMI
  • Patent number: 8916566
    Abstract: The present invention provides a compound which has the effect of PDE inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on. A compound of formula (I0): wherein R1 represents a substituent, R2 represents a hydrogen atom, or a substituent, R3 represents a hydrogen atom, or a substituent, Ring A represents an aromatic ring which can be substituted, and Ring B represents a 5-membered heteroaromatic ring which can be substituted, or a salt thereof.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: December 23, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiko Taniguchi, Jun Kunitomo, Masato Yoshikawa, Makoto Fushimi
  • Patent number: 8778944
    Abstract: The present invention provides a compound which has the effect of PDE inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on. A compound of formula (I0), wherein R1 represents a substituent; R2 represents a hydrogen atom, or a substituent; R3 represents a hydrogen atom, or a substituent; Ring A represents an aromatic ring which can be substituted, and Ring B represents a 5-membered heteroaromatic ring which can be substituted, or a salt thereof.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: July 15, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiko Taniguchi, Akira Kawada, John F. Quinn, Jun Kunitomo, Masato Yoshikawa, Makoto Fushimi
  • Publication number: 20130331409
    Abstract: The present invention provides a compound having a superior PDE10A inhibitory action and use thereof. The compound is a compound represented by the following formula (I): wherein each symbol is as defined in the present specification, or a salt thereof.
    Type: Application
    Filed: March 15, 2012
    Publication date: December 12, 2013
    Inventors: Takahiko Taniguchi, Jun Kunitomo, Masato Yoshikawa, Tomoaki Hasui, Eiji Honda, Keisuke Imamura, Haruhi Kamisaki, Shinkichi Suzuki, Kasei Miura
  • Patent number: 8513251
    Abstract: The present invention provides a compound which has the effect of PDE inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on. A compound of formula (I0), wherein R1 represents a substituent; R2 represents a hydrogen atom, or a substituent; R3 represents a hydrogen atom, or a substituent; Ring A represents an aromatic ring which can be substituted, and Ring B represents a 5-membered heteroaromatic ring which can be substituted, or a salt thereof.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: August 20, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiko Taniguchi, Jun Kunitomo
  • Patent number: 8492378
    Abstract: For the purpose of providing a GSK-3? inhibitor containing an oxadiazole compound or a salt thereof or a prodrug thereof useful as an agent for the prophylaxis or treatment of a GSK-3?-related pathology or disease, the present invention provides a GSK-3? inhibitor containing a compound represented by the formula (I): wherein each symbol is as defined in the specification, or a salt thereof or a prodrug thereof.
    Type: Grant
    Filed: August 2, 2007
    Date of Patent: July 23, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Fumio Itoh, Jun Kunitomo, Hiromi Kobayashi, Eiji Kimura, Morihisa Saitoh, Tomohiro Kawamoto, Hiroki Iwashita, Katsuhito Murase
  • Publication number: 20130172292
    Abstract: The present invention provides a compound which has the effect of PDE 10A inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on.
    Type: Application
    Filed: August 3, 2011
    Publication date: July 4, 2013
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Joseph Raker, Takahiko Taniguchi, Masato Yoshikawa, Tomoaki Hasui, Jun Kunitomo
  • Publication number: 20130150344
    Abstract: The present invention provides a compound represented by the formula (1): wherein each symbol is as defined in the specification, or a salt thereof, a prodrug of the compound or a salt thereof, a medicament containing the compound or a salt thereof, the medicament which is a phosphodiesterase 10A inhibitor, and a medicament which is for preventing or treating schizophrenia.
    Type: Application
    Filed: August 3, 2011
    Publication date: June 13, 2013
    Inventors: Masato Yoshikawa, Shinkichi Suzuki, Tomoaki Hasui, Makoto Fushimi, Jun Kunitomo, Haruhi Kamisaki, Takahiko Taniguchi
  • Publication number: 20130137700
    Abstract: Provided is a compound having a PDE10A inhibitory action, and useful as a medicament for the prophylaxis or treatment of mental diseases such as schizophrenia and the like, and the like. A compound represented by the formula (I): wherein each symbol is as defined in the DESCRIPTION, or a salt thereof.
    Type: Application
    Filed: August 3, 2011
    Publication date: May 30, 2013
    Inventors: Tomoaki Hasui, Makoto Fushimi, Hironori Kokubo, Takenori Hitaka, Shotaro Miura, Jun Kunitomo, Takahiko Taniguchi
  • Publication number: 20130137675
    Abstract: The present invention aims to provide a compound having a PDE inhibitory action and useful as a medicament for the prophylaxis or treatment of schizophrenia and the like. A compound represented by the formula (1x): wherein each symbol is as described in the DESCRIPTION, or the formula (1): W1—W2??(1) wherein each symbol is as described in the DESCRIPTION, or a salt thereof.
    Type: Application
    Filed: August 9, 2011
    Publication date: May 30, 2013
    Inventors: Takahiko Taniguchi, Shinkichi Suzuki, Masato Yoshikawa, Tomoaki Hasui, Makoto Fushimi, Jun Kunitomo
  • Patent number: 8435995
    Abstract: The present invention provides a compound which has the effect of PDE inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on. A compound of formula (I0), wherein R1 represents a substituent; R2 represents a hydrogen atom, or a substituent; R3 represents a hydrogen atom, or a substituent; Ring A represents an aromatic ring which can be substituted, and Ring B represents a 5-membered heteroaromatic ring which can be substituted, or a salt thereof.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: May 7, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiko Taniguchi, Jun Kunitomo
  • Patent number: 8354411
    Abstract: The present invention provides a compound which has the effect of PDE inhibition, and which is useful as a medicament for preventing or treating schizophrenia or so on. A compound of formula (I0), wherein R1 represents a substituent; R2 represents a hydrogen atom, or a substituent; R3 represents a hydrogen atom, or a substituent; Ring A represents an aromatic ring which can be substituted, and Ring B represents a 5-membered heteroaromatic ring which can be substituted, or a salt thereof.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: January 15, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takahiko Taniguchi, Jun Kunitomo