Patents by Inventor Daisaku Wakamatsu

Daisaku Wakamatsu 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).

  • Communication device using a transducer to apply bending vibration to a contact member
    Patent number: 9350837
    Abstract: Provided is a communication device that facilitates hearing even in an environment in which hearing of sound is difficult only with air conduction sound, and requires fewer components, facilitates implementation. The communication device 100 includes: a protecting panel 101 serving as a contact member disposed at a position at which at least a part of the contact member is brought into contact with a user's ear and/or a human body around the ear; and an transducer 111 surface joined to the protecting panel 101, and configured to vibrate in a frequency band of an audible range such that vibration is not conducted from the protecting panel 101 to an auditory organ of the user via bones of a skull of the user.
    Type: Grant
    Filed: September 10, 2012
    Date of Patent: May 24, 2016
    Assignee: KDDI Corporation
    Inventors: Masahiro Suzuki, Daisaku Wakamatsu
  • COMMUNICATION DEVICE
    Publication number: 20140342783
    Abstract: Provided is a communication device that facilitates hearing even in an environment in which hearing of sound is difficult only with air conduction sound, and requires fewer components, facilitates implementation. The communication device 100 includes: a protecting panel 101 serving as a contact member disposed at a position at which at least a part of the contact member is brought into contact with a user's ear and/or a human body around the ear; and an transducer 111 surface joined to the protecting panel 101, and configured to vibrate in a frequency band of an audible range such that vibration is not conducted from the protecting panel 101 to an auditory organ of the user via bones of a skull of the user.
    Type: Application
    Filed: September 10, 2012
    Publication date: November 20, 2014
    Applicant: KDDI CORPORATION
    Inventors: Masahiro Suzuki, Daisaku Wakamatsu