Patents by Inventor Masaichi Naruse

Masaichi Naruse 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).

  • Nitroxyl compounds and drugs and reagents containing the same as the active ingredient
    Patent number: 6239145
    Abstract: Nitroxyl compounds represented by general formula (I) which are usable in acquiring information about active oxygen or in vivo free radicals as biological images such as magnetic resonance images or magnetoencephalograms, wherein A represents hydrogen or —L—(CH2)n—OCOR (wherein L represents —COO— or -alkylene-COO—; and R represents C1-4 alkyl); R1, R2, R3, and R4 represent each C1-4 alkyl; and n is a number of from 1 to 4. Drugs and reagents containing the above compounds are usable in preventing, treating or diagnosing ischemic diseases, digestive diseases, cancer, cranial nervous diseases accompanied by nerve degeneration, inflammation, cataracts, or drug-induced organopathy.
    Type: Grant
    Filed: December 27, 1999
    Date of Patent: May 29, 2001
    Assignee: Daiitchi Radioisotope Laboratories, Ltd.
    Inventors: Hideo Utsumi, Hiroaki Sano, Masaichi Naruse, Takashi Igarashi, Tetsuo Oi