Patents by Inventor Tomohiko Onda

Tomohiko Onda 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).

  • Magnetic tape
    Patent number: 7255908
    Abstract: A magnetic tape (1) characterized by having a backcoating layer (5) which comprises a binder and fine particles having been dispersed in the binder and being capable of irreversibly changing in color on oxidation reaction, and has a sufficient number of microvoids of sufficient size to supply sufficient oxygen to cause the oxidation reaction.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: August 14, 2007
    Assignee: Quantum Corporation
    Inventors: Akira Ishikawa, Takashi Ishii, Mitsuhiro Katashima, Manabu Hosoya, Tomohiko Onda
  • Magnetic tape
    Publication number: 20040258961
    Abstract: A magnetic tape (1) characterized by having a backcoating layer (5) which comprises a binder and fine particles having been dispersed in the binder and being capable of irreversibly changing in color on oxidation reaction, and has a sufficient number of microvoids of sufficient size to supply sufficient oxygen to cause the oxidation reaction.
    Type: Application
    Filed: October 14, 2003
    Publication date: December 23, 2004
    Inventors: Akira Ishikawa, Takashi Ishii, Mitsuhiro Katashima, Manabu Hosoya, Tomohiko Onda
  • Magnetic tape
    Publication number: 20030124385
    Abstract: A magnetic tape (1) characterized by having a backcoating layer (5) which comprises a binder and fine particles having been dispersed in the binder and being capable of irreversibly changing in color on oxidation reaction, and has a sufficient number of microvoids of sufficient size to supply sufficient oxygen to cause the oxidation reaction.
    Type: Application
    Filed: January 14, 2003
    Publication date: July 3, 2003
    Applicant: Quantum Corporation, a California Corporation
    Inventors: Akira Ishikawa, Takashi Ishii, Mitsuhiro Katashima, Manabu Hosoya, Tomohiko Onda
  • Magnetic tape
    Publication number: 20030054203
    Abstract: A magnetic tape (1) characterized by having a backcoating layer (5) which comprises a binder and fine particles having been dispersed in the binder and being capable of irreversibly changing in color on oxidation reaction, and has a sufficient number of microvoids of sufficient size to supply sufficient oxygen to cause the oxidation reaction.
    Type: Application
    Filed: June 13, 2002
    Publication date: March 20, 2003
    Applicant: Quantum Corporation, a California Corporation
    Inventors: Akira Ishikawa, Takashi Ishii, Mitsuhiro Katashima, Manabu Hosoya, Tomohiko Onda