Patents by Inventor Tomoaki OTA

Tomoaki OTA 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).

  • AMORPHOUS FORM OF TETRACYCLIC COMPOUND
    Publication number: 20230339885
    Abstract: An amorphous form of 9-ethyl-6,6-dimethyl-8-(4-morpholin-4-yl-piperidin-1-yl)-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile and a solid dispersion containing the amorphous form can be used extremely advantageously as drugs for oral administration.
    Type: Application
    Filed: November 4, 2022
    Publication date: October 26, 2023
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Koji Shiraki, Tadanobu NAKAYAMA, Tomoaki OTA
  • Semiconductor device
    Patent number: 11289437
    Abstract: A semiconductor device includes a power MOS chip having a source electrode on a surface and a control chip mounted on a portion of the power MOS chip, wherein, viewing from a first outer edge of the power MOS chip extending in a first direction to the control chip, a first column bonding pad and a second column bonding pad are formed in a region of the source electrode where the control chip is not mounted, and wherein a distance between a second outer edge of the power MOS chip extending in a second direction and the first column bonding pad is longer than a distance between the second outer edge and the second column bonding pad.
    Type: Grant
    Filed: October 28, 2020
    Date of Patent: March 29, 2022
    Assignee: RENESAS ELECTRONICS CORPORATION
    Inventors: Tomoaki Ota, Makoto Tanaka
  • AMORPHOUS FORM OF TETRACYCLIC COMPOUND
    Publication number: 20210238160
    Abstract: An amorphous form of 9-ethyl-6,6-dimethyl-8-(4-morpholin-4-yl-piperidin-1-yl)-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile and a solid dispersion containing the amorphous form can be used extremely advantageously as drugs for oral administration.
    Type: Application
    Filed: September 14, 2020
    Publication date: August 5, 2021
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Koji Shiraki, Tadanobu NAKAYAMA, Tomoaki OTA
  • Amorphous form of tetracyclic compound
    Patent number: 10774067
    Abstract: An amorphous form of 9-ethyl-6,6-dimethyl-8-(4-morpholin-4-yl-piperidin-1-yl)-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile and a solid dispersion containing the amorphous form can be used extremely advantageously as drugs for oral administration.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: September 15, 2020
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Koji Shiraki, Tadanobu Nakayama, Tomoaki Ota
  • AMORPHOUS FORM OF TETRACYCLIC COMPOUND
    Publication number: 20190284163
    Abstract: An amorphous form of 9-ethyl-6,6-dimethyl-8-(4-morpholin-4-yl-piperidin-1-yl)-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile and a solid dispersion containing the amorphous form can be used extremely advantageously as drugs for oral administration.
    Type: Application
    Filed: May 29, 2019
    Publication date: September 19, 2019
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Koji Shiraki, Tadanobu NAKAYAMA, Tomoaki OTA
  • Amorphous form of tetracyclic compound
    Patent number: 10344014
    Abstract: An amorphous form of 9-ethyl-6,6-dimethyl-8-(4-morpholin-4-yl-piperidin-1-yl)-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile and a solid dispersion containing the amorphous form can be used extremely advantageously as drugs for oral administration.
    Type: Grant
    Filed: August 7, 2015
    Date of Patent: July 9, 2019
    Assignee: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Koji Shiraki, Tadanobu Nakayama, Tomoaki Ota
  • AMORPHOUS FORM OF TETRACYCLIC COMPOUND
    Publication number: 20170217927
    Abstract: An amorphous form of 9-ethyl-6,6-dimethyl-8-(4-morpholin-4-yl-piperidin-1-yl)-11-oxo-6,11-dihydro-5H-benzo[b]carbazole-3-carbonitrile and a solid dispersion containing the amorphous form can be used extremely advantageously as drugs for oral administration.
    Type: Application
    Filed: August 7, 2015
    Publication date: August 3, 2017
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Koji SHIRAKI, Tadanobu NAKAYAMA, Tomoaki OTA