Patents by Inventor Ryoma SHINOHARA

Ryoma SHINOHARA 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).

  • COLITIS AMELIORATING AGENT
    Publication number: 20210052537
    Abstract: To provide a novel colitis ameliorating agent. A colitis ameliorating agent comprising a trans-astaxanthin derivative of formula (I), geometric isomers thereof, a mixture of the geometric isomers, an optical isomer thereof, or a salt thereof; (wherein m1, m2, n1, and n2 are each the same or different and mean an integer of 1 to 6).
    Type: Application
    Filed: February 12, 2019
    Publication date: February 25, 2021
    Applicant: ASTA PHARMACEUTICALS, CO., LTD.
    Inventors: Michinori TAKASHINA, Makoto OGAWA, Kaoru KOBAYASHI, Yasuhiro NISHIDA, Akiko NAKAGAWA, Takashi FUJITA, Satoshi KOBAYASHI, Ryoma SHINOHARA, Yuji IWANO, Kiyotaka MORIIZUMI, Sachi MAEDA, Ryo SAKATA, Tomihisa YOKOYAMA
  • Carotenoid derivative, pharmaceutically acceptable salt thereof, or pharmaceutically acceptable ester or amide thereof
    Patent number: 10125104
    Abstract: The object of the present invention is to find a carotenoid compound that is excellent in water solubility. A carotenoid derivative having a formula (I): wherein X represents a carbonyl group or a methylene group, one of R1 and R2 represents (a) or (b) and the other represents (a), (b), (c) or a hydrogen atom: (a): —CO-A-B-D wherein A represents an alkylene group an alkenylene group, etc., B represents a formula of —S(O)n— or a formula of —NR4CONR5— and D represents a hydrogen atom, a carboxy group, etc., (b): —CO-E-F wherein E represents an alkylene group or a formula of —NR3— wherein R3 represents (a1) a hydrogen atom, (b1) an alkyl group etc., and F represents a sulfo group and (c): —CO-G wherein G represents a hydrogen atom, an alkyl group, etc., a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable ester or amide thereof.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: November 13, 2018
    Assignee: Asta Pharmaceuticals Co., Ltd.
    Inventors: Takashi Fujita, Satoshi Kobayashi, Ryoma Shinohara, Yasuhiro Nishida, Jiro Takahashi
  • CAROTENOID DERIVATIVE, PHARMACEUTICALLY ACCEPTABLE SALT THEREOF, OR PHARMACEUTICALLY ACCEPTABLE ESTER OR AMIDE THEREOF
    Publication number: 20170081289
    Abstract: The object of the present invention is to find a carotenoid compound that is excellent in water solubility. A carotenoid derivative having a formula (I): wherein X represents a carbonyl group or a methylene group, one of R1 and R2 represents (a) or (b) and the other represents (a), (b), (c) or a hydrogen atom: (a): —CO-A-B-D wherein A represents an alkylene group an alkenylene group, etc., B represents a formula of —S(O)n— or a formula of —NR4CONR5— and D represents a hydrogen atom, a carboxy group, etc., (b): —CO-E-F wherein E represents an alkylene group or a formula of —NR3— wherein R3 represents (a1) a hydrogen atom, (b1) an alkyl group etc., and F represents a sulfo group and (c): —CO-G wherein G represents a hydrogen atom, an alkyl group, etc., a pharmaceutically acceptable salt thereof, or a pharmaceutically acceptable ester or amide thereof.
    Type: Application
    Filed: May 20, 2015
    Publication date: March 23, 2017
    Applicant: FUJI CHEMICAL INDUSTRIES CO., LTD.
    Inventors: Takashi FUJITA, Satochi KOBAYASHI, Ryoma SHINOHARA, Yasuhiro NISHIDA, Jiro TAKAHASHI