Patents by Inventor Hajime Edatsugi

Hajime Edatsugi 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).

  • Benzimidazole derivatives
    Patent number: 5852011
    Abstract: Disclosed are compounds represented by the following chemical formula (I) and pharmacologically acceptable salts thereof which are novel compounds useful as anticancer agents, antiviral agents or antimicrobial agents.
    Type: Grant
    Filed: January 19, 1996
    Date of Patent: December 22, 1998
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Akio Matsunaga, Yuki Nakajima, Hiroshi Kohno, Hironori Komatsu, Hajime Edatsugi, Daiji Iwata, Kimiko Takezawa
  • Phenylbenzimidazole derivatives
    Patent number: 5821258
    Abstract: Described herein is an anticancer agent, an antiviral agent or an antimicrobial agent which contains, as an active ingredient for acting on DNA, a compound presented by the following formula (1) or its pharmacologically acceptable salt: ##STR1##
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: October 13, 1998
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Akio Matsunaga, Yuki Nakajima, Hiroshi Kohno, Hiroshi Ohkouchi, Daiji Iwata, Hajime Edatsugi
  • Sulfonium salts of pyrrolylbenzimidazoles
    Patent number: 5808087
    Abstract: Compounds of formula (1): ##STR1## wherein m is an integer 1, 2 or 3,R.sub.1 and R.sub.2 are the same or independently different alkyl groups, each having 1-5 carbon atoms,R.sub.3 is a hydrogen atom, alkyl group having 1-3 carbon atoms, alkoxy group having 1-3 carbon atoms or halogen atom, andX.sup.- is an acid residue of acid selected from a group consisting of methanesulfonic acid, benzenesulfonic acid, toluenesulfonic acid and trifluoromethanesulfonic acid, and their salts are useful as an effective component of anticancer agents.
    Type: Grant
    Filed: November 25, 1996
    Date of Patent: September 15, 1998
    Assignee: Mitsui Chemicals, Inc.
    Inventors: Akio Matsunaga, Yuki Mita, Hiroshi Kohno, Hajime Edatsugi, Daiji Iwata