Patents by Inventor Toshifumi Tajima

Toshifumi Tajima 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).

  • Publication number: 20240100558
    Abstract: A coating device is provided with a stage on which a substrate is configured to be placed, an applicator movably arranged relative to the substrate placed on the stage and configured to discharge a coating liquid from a nozzle to form a coating film on the substrate, and a dryer having an air supply port with at least one porous member. The dryer is configured to dry the coating film formed on the substrate by the applicator by supplying air to the coating film from the air supply port. The at least one porous member is configured and arranged to suppress formation of local variations in an amount of air supplied from the air supply port.
    Type: Application
    Filed: September 25, 2023
    Publication date: March 28, 2024
    Inventors: Kenji HAMAKAWA, Hisayoshi TAJIMA, Toshifumi ITO
  • Patent number: 7298856
    Abstract: A chip microphone implemented as a single silicon-based chip includes a diaphragm which includes a vibration portion that vibrates in response to sound pressures, a support block which is formed on the diaphragm, excluding at least the vibration portion to provide a vibration space, and a back plate which is formed on the support block and over the vibration space, thereby facing the vibration portion of the diaphragm across the vibration space.
    Type: Grant
    Filed: September 3, 2002
    Date of Patent: November 20, 2007
    Assignee: Nippon Hoso Kyokai
    Inventors: Toshifumi Tajima, Toshiyuki Nishiguchi, Nobuo Saito, Akira Morita
  • Publication number: 20030063762
    Abstract: A chip microphone implemented as a single silicon-based chip includes a diaphragm which includes a vibration portion that vibrates in response to sound pressures, a support block which is formed on the diaphragm, excluding at least the vibration portion to provide a vibration space, and a back plate which is formed on the support block and over the vibration space, thereby facing the vibration portion of the diaphragm across the vibration space.
    Type: Application
    Filed: September 3, 2002
    Publication date: April 3, 2003
    Inventors: Toshifumi Tajima, Toshiyuki Nishiguchi, Nobuo Saito, Akira Morita