Patents by Inventor Hidenori Fukinbara

Hidenori Fukinbara 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).

  • 2',3'-dideoxy purine nucleosides and process for the preparation thereof
    Patent number: 5563049
    Abstract: 2',3'-Dideoxy purine nucleosides represented by following general formulae [I] and/or [II] ##STR1## (wherein X and Y indicate nitrogen atoms or carbon atoms and R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 indicate each independently any of hydrogen atom, hydroxyl group, amino group, alkyl group, halogen atom, alkoxy group and mercapto group) are produced by bioconversion with strains of E. coli, K. pneumoniae and E. herbicola.
    Type: Grant
    Filed: March 15, 1995
    Date of Patent: October 8, 1996
    Assignee: Nippon Paper Industries Co., Ltd.
    Inventors: Eiji Kojima, Hidetoshi Yoshioka, Hidenori Fukinbara, Kunichika Murakami
  • 2',3'-dideoxy purine nucleoside
    Patent number: 5053499
    Abstract: 2', 3'-Dideoxy purine nucleosides represented by following general formulae [I] and/or [II] ##STR1## (wherein X and Y indicate nitrogen atoms or carbon atoms and R.sub.1, R.sub.2, R.sub.3, R.sub.4 and R.sub.5 indicate each independently any of hydrogen atom, hydroxyl group, amino group, alkyl group, halogen atom, alkoxy group and mercapto group), process for the preparation thereof and applications thereof to the antiviral agent, antiretroviral agent, therapeutic drug and preventive drug for acquired immunodeficiency syndrome (AIDS), and experimental medicine and experimental reagent to be used in genetic engineering are claimed.
    Type: Grant
    Filed: August 3, 1989
    Date of Patent: October 1, 1991
    Assignee: Sanyo-Kokusaku Pulp Co., Ltd.
    Inventors: Eiji Kojima, Hidetoshi Yoshioka, Hidenori Fukinbara, Kunichika Murakami