Patents by Inventor Mariko Nasu

Mariko Nasu 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).

  • Substituted pyrrolo[3?,2?:5,6]pyrido[4,3-d]pyrimidines and JAK inhibitors comprising the same
    Patent number: 9556187
    Abstract: This disclosure relates to novel tricyclic pyrimidine compounds and tricyclic pyridine compounds having JAK inhibitory activities. A tricyclic heterocyclic compound represented by the formula (Ib), wherein the rings Ab and Bb, Xb, Yb, R1b, R2b, R3b, L1b, L2b, L3b and nb are as defined in the specification.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: January 31, 2017
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Keishi Hayashi, Tsuneo Watanabe, Koji Toyama, Junji Kamon, Masataka Minami, Miyuki Uni, Mariko Nasu
  • TRICYCLIC HETEROCYCLIC COMPOUNDS AND JAK INHIBITORS
    Publication number: 20160102102
    Abstract: This disclosure relates to novel tricyclic pyrimidine compounds and tricyclic pyridine compounds having JAK inhibitory activities. A tricyclic heterocyclic compound represented by the formula (Ib), wherein the rings Ab and Bb, Xb, Yb, R1b, R2b, R3b, L1b, L2b, L3b and nb are as defined in the specification.
    Type: Application
    Filed: October 2, 2015
    Publication date: April 14, 2016
    Applicant: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Keishi HAYASHI, Tsuneo Watanabe, Koji Toyama, Junji Kamon, Masataka Minami, Miyuki Uni, Mariko Nasu
  • Substituted pyrrolo[2,3-h][1,6]naphthyridines and compositions thereof as JAK inhibitors
    Patent number: 9216999
    Abstract: Novel tricyclic pyrimidine compounds and tricyclic pyridine compounds having JAK inhibitory activities are provided. A tricyclic heterocyclic compound represented by the formula (Ia): wherein the rings Aa and Ba, Xa, Ya, R1a, R2a, R3a, L1a L2a, L3a and na are as defined in the description.
    Type: Grant
    Filed: August 10, 2012
    Date of Patent: December 22, 2015
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Keishi Hayashi, Tsuneo Watanabe, Koji Toyama, Junji Kamon, Masataka Minami, Miyuki Uni, Mariko Nasu
  • TRICYCLIC HETEROCYCLIC COMPOUNDS AND JAK INHIBITORS
    Publication number: 20140200344
    Abstract: Novel tricyclic pyrimidine compounds and tricyclic pyridine compounds having JAK inhibitory activities are provided. A tricyclic heterocyclic compound represented by the formula (Ia): wherein the rings Aa and Ba, Xa, Ya, R1a, R2a, R3a, L1a L2a, L3a and na are as defined in the description.
    Type: Application
    Filed: August 10, 2012
    Publication date: July 17, 2014
    Applicant: Nissan Chemical Industries, Ltd.
    Inventors: Keishi Hayashi, Tsuneo Watanabe, Koji Toyama, Junji Kamon, Masataka Minami, Miyuki Uni, Mariko Nasu