Patents by Inventor Takehisa FUKUNAGA

Takehisa FUKUNAGA 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).

  • Head-up display device
    Patent number: 11885963
    Abstract: A head-up display device includes an image display device that outputs display light of an image; a mirror having a reflecting surface that reflects the display light toward a reflecting portion, and an input shaft; a motor that has an output shaft located on an extended line of the input shaft, and rotates the output shaft; a transmission member that has a cylindrical fitting portion to which the input shaft is press-fitted and a coupling portion coupled with the output shaft and transmitting output torque of the motor from the output shaft to the input shaft; a holding member that holds the motor; and a first spring that is interposed between the holding member and the transmission member, and imparts, to the transmission member, a biasing force oriented to bring the mirror close to the output shaft.
    Type: Grant
    Filed: February 10, 2022
    Date of Patent: January 30, 2024
    Assignee: YAZAKI CORPORATION
    Inventors: Naoto Tsubakihara, Kunikazu Takahashi, Yusuke Fujimoto, Takehisa Fukunaga, Yasuhiro Katsumata, Katsuyoshi Itahana, Kohji Matsuura, Keita Mochizuki, Masahiro Yoshida
  • HEAD-UP DISPLAY DEVICE
    Publication number: 20220260835
    Abstract: A head-up display device includes an image display device that outputs display light of an image; a mirror having a reflecting surface that reflects the display light toward a reflecting portion, and an input shaft; a motor that has an output shaft located on an extended line of the input shaft, and rotates the output shaft; a transmission member that has a cylindrical fitting portion to which the input shaft is press-fitted and a coupling portion coupled with the output shaft and transmitting output torque of the motor from the output shaft to the input shaft; a holding member that holds the motor; and a first spring that is interposed between the holding member and the transmission member, and imparts, to the transmission member, a biasing force oriented to bring the mirror close to the output shaft.
    Type: Application
    Filed: February 10, 2022
    Publication date: August 18, 2022
    Applicant: Yazaki Corporation
    Inventors: Naoto TSUBAKIHARA, Kunikazu TAKAHASHI, Yusuke FUJIMOTO, Takehisa FUKUNAGA, Yasuhiro KATSUMATA, Katsuyoshi ITAHANA, Kohji MATSUURA, Keita MOCHIZUKI, Masahiro YOSHIDA