Patents by Inventor Hiroki Kamon

Hiroki Kamon 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).

  • Granulated particles for magnetic particles for magnetic recording, and process for producing the same
    Patent number: 5531922
    Abstract: Disclosed herein are granulated particles for magnetic particles for magnetic recording, comprising: acicular ferric hydroxide oxide particles or acicular iron oxide particles; and at least one selected from the group consisting of semisynthetic starch and semisynthetic cellulose and having a bulk density of not less than 0.3 g/cm.sup.3 and a powdering ratio of not more than 40%, and a process for producing the granulated particles, and magnetic particles obtained from such granulated particles.
    Type: Grant
    Filed: September 12, 1995
    Date of Patent: July 2, 1996
    Assignee: Toda Kogyo Corporation
    Inventors: Kenji Okinaka, Yasutaka Ota, Kohji Mori, Hirofumi Kawasaki, Masayuki Uegami, Akio Mishima, Katsumi Yamashita, Minoru Yamasaki, Manabu Matsumoto, Kunihiro Kouchi, Hiroki Kamon