Patents by Inventor Koichi HADA

Koichi HADA 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 system using wireless communication, communication apparatus, and control method
    Patent number: 11950303
    Abstract: A communication system includes a communication apparatus and a communication terminal configured to wirelessly communicate with each other, wherein the communication terminal includes a first wireless communication interface configured to support a Bluetooth® standard and include a single antenna, and wherein the communication apparatus includes a second wireless communication interface configured to support the Bluetooth® standard and include a plurality of antennas, and includes one or more controllers configured to function as a unit configured to obtain angle information and field intensity information based on a result of reception of radio waves, by the plurality of antennas, transmitted from the single antenna; and a unit configured to transmit an establishment request for wireless communication based on the Bluetooth® standard to the first wireless communication interface via the second wireless communication interface based on a fact that the angle information and the field intensity information sat
    Type: Grant
    Filed: February 18, 2022
    Date of Patent: April 2, 2024
    Assignee: Canon Kabushiki Kaisha
    Inventors: Manabu Hada, Tsunahito Nakashita, Motoki Koshigaya, Koichi Ito, Tatsuya Ogawa
  • Planar light-emitting device
    Patent number: 8616749
    Abstract: A planar light-emitting device includes a first reflecting surface, a rectangular support disposed adjacent to the first reflecting surface, light sources each including a light-emitting surface and disposed along, at least one side portion of the rectangular support, and a lens including a light-receiving surface disposed to face the light-emitting surfaces of the light sources, and configured to introduce light emitted from the light sources into a space that is demarcated by at least the first reflecting surface and the rectangular support.
    Type: Grant
    Filed: March 28, 2012
    Date of Patent: December 31, 2013
    Assignees: Citizen Electronics Co., Ltd., Citizen Holdings Co., Ltd.
    Inventors: Takahiro Shimizu, Koichi Hada, Junji Miyashita, Kiyokazu Watanabe, Makoto Yasuhara
  • PLANAR LIGHT-EMITTING DEVICE
    Publication number: 20120250313
    Abstract: A planar light-emitting device includes a first reflecting surface, a rectangular support disposed adjacent to the first reflecting surface, light sources each including a light-emitting surface and disposed along, at least one side portion of the rectangular support, and a lens including a light-receiving surface disposed to face the light-emitting surfaces of the light sources, and configured to introduce light emitted from the light sources into a space that is demarcated by at least the first reflecting surface and the rectangular support.
    Type: Application
    Filed: March 28, 2012
    Publication date: October 4, 2012
    Applicants: CITIZEN HOLDINGS CO., LTD., CITIZEN ELECTRONICS CO., LTD.
    Inventors: Takahiro SHIMIZU, Koichi HADA, Junji MIYASHITA, Kiyokazu WATANABE, Makoto YASUHARA