Patents by Inventor Masaharu Akimoto

Masaharu Akimoto 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).

  • Polyelectrolyte complex antibacterial agent and antibacterial material
    Patent number: 5658915
    Abstract: An antibacterial agent characterized by containing a polyelectrolyte complex prepared by reacting a cationic polymer containing N.sup.+ atoms in repeating units thereof and an anionic polymer containing --COO.sup.-, --SO.sub.3.sup.-, or --PO.sub.3.sup.- groups in repeating units thereof, and an antibacterial material carrying the above polyelectrolyte complex on a carrier.
    Type: Grant
    Filed: August 25, 1995
    Date of Patent: August 19, 1997
    Assignee: Iatron Laboratories, Inc.
    Inventors: Koji Abe, Mitsunao Tanaka, Satoshi Inaba, Masaharu Akimoto
  • Polyelectrolyte complex antibacterial agent in antibacterial material
    Patent number: 5578598
    Abstract: An antibacterial agent characterized by containing a polyelectrolyte complex prepared by reacting a cationic polymer containing N.sup.+ atoms in repeating units thereof and an anionic polymer containing --COO.sup.--, --SO.sub.3.sup.--, or --PO.sub.3.sup.-- groups in repeating units thereof, and an antibacterial material carrying the above polyelectrolyte complex on a carrier.
    Type: Grant
    Filed: October 3, 1994
    Date of Patent: November 26, 1996
    Assignee: Iatron Laboratories, Inc.
    Inventors: Koji Abe, Mitsunao Tanaka, Satoshi Inaba, Masaharu Akimoto