Patents by Inventor Ryoichi Arita

Ryoichi Arita 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: 20190365776
    Abstract: Disclosed herein is a prophylactic or therapeutic agent for ocular fundus disease, especially diabetic retinopathy or age-related macular degeneration. The prophylactic or therapeutic agent for ocular fundus disease comprising: (S)-(?)-1-(4-fluoro-5-isoquinolinesulfonyl)-2-methyl-1,4-homopiperazine, a salt thereof, or a solvate thereof, as an active ingredient.
    Type: Application
    Filed: August 16, 2019
    Publication date: December 5, 2019
    Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, KOWA COMPANY, LTD.
    Inventors: Tatsuro Ishibashi, Shintaro Nakao, Ryoichi Arita, Ken Mizuno, Akifumi Tsuchiura
  • Patent number: 10426783
    Abstract: Disclosed herein is a prophylactic or therapeutic agent for ocular fundus disease, especially diabetic retinopathy or age-related macular degeneration. The prophylactic or therapeutic agent for ocular fundus disease comprising: (S)-(?)-1-(4-fluoro-5-isoquinolinesulfonyl)-2-methyl-1,4-homopiperazine, a salt thereof, or a solvate thereof, as an active ingredient.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: October 1, 2019
    Assignees: KYUSHU UNIVERSITY, NAT'L UNIVERSITY CORPORATION, KOWA COMPANY, LTD.
    Inventors: Tatsuro Ishibashi, Shintaro Nakao, Ryoichi Arita, Ken Mizuno, Akifumi Tsuchiura
  • Publication number: 20170100409
    Abstract: Disclosed herein is a prophylactic or therapeutic agent for ocular fundus disease, especially diabetic retinopathy or age-related macular degeneration. The prophylactic or therapeutic agent for ocular fundus disease comprising: (S)-(?)-1-(4-fluoro-5-isoquinolinesulfonyl)-2-methyl-1,4-homopiperazine, a salt thereof, or a solvate thereof, as an active ingredient.
    Type: Application
    Filed: December 21, 2016
    Publication date: April 13, 2017
    Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, KOWA COMPANY, LTD.
    Inventors: Tatsuro Ishibashi, Shintaro Nakao, Ryoichi Arita, Ken Mizuno, Akifumi Tsuchiura
  • Publication number: 20160339018
    Abstract: Disclosed herein is a prophylactic or therapeutic agent for ocular fundus disease, especially diabetic retinopathy or age-related macular degeneration. The prophylactic or therapeutic agent for ocular fundus disease comprising: (S)-(?)-1-(4-fluoro-5-isoquinolinesulfonyl)-2-methyl-1,4-homopiperazine, a salt thereof, or a solvate thereof, as an active ingredient.
    Type: Application
    Filed: March 3, 2014
    Publication date: November 24, 2016
    Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, KOWA COMPANY, LTD.
    Inventors: Tatsuro Ishibashi, Shintaro Nakao, Ryoichi Arita, Ken Mizuno, Akifumi Tsuchiura
  • Publication number: 20140378441
    Abstract: Disclosed herein is a prophylactic or therapeutic agent for ocular fundus disease, especially diabetic retinopathy or age-related macular degeneration. The prophylactic or therapeutic agent for ocular fundus disease comprising: (S)-(?)-1-(4-fluoro-5-isoquinolinesulfonyl)-2-methyl-1,4-homopiperazine, a salt thereof, or a solvate thereof, as an active ingredient.
    Type: Application
    Filed: September 9, 2014
    Publication date: December 25, 2014
    Applicants: KYUSHU UNIVERSITY, NATIONAL UNIVERSITY CORPORATION, KOWA COMPANY, LTD.
    Inventors: Tatsuro Ishibashi, Shintaro Nakao, Ryoichi Arita, Ken Mizuno, Akifumi Tsuchiura
  • Patent number: 6142577
    Abstract: A tunnel boring machine for collecting earth excavated upon rotation of a cutter disk includes a non-pressurized chamber behind the cutter disk for collecting earth excavated by the cutter disk and discharging the earth with a carrying fluid. The machine includes a first open tank arranged in the non-pressurized chamber which serves as a vessel for containing the carrying fluid as well as a hopper for collecting excavated earth. Carrying fluid supply apparatus is provided for supplying the carrying fluid to the first open tank and suction/discharge apparatus is provided for sucking and discharging the carrying fluid supply to the first open tank rearwardly together with the collected earth. Water level control apparatus provided for monitoring a water level of a carrying fluid in the first open tank and keeping the water level between a minimum water level and a maximum water level.
    Type: Grant
    Filed: April 30, 1998
    Date of Patent: November 7, 2000
    Assignees: Hitachi Construction Machinery Co., Ltd., Sankei Corporation
    Inventors: Minoru Tayama, Kiyoshi Tsuchiya, Yasuaki Ishikawa, Masaaki Miki, Ryoichi Arita, Kazunori Ueda