Patents by Inventor Koichiro Hagiwara

Koichiro Hagiwara 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).

  • Transfer member, transfer drum, and image forming apparatus
    Patent number: 11966176
    Abstract: A transfer member includes: an inner layer; and an outer layer that is adhered to the inner layer and has a hardness lower than a hardness of the inner layer.
    Type: Grant
    Filed: November 18, 2021
    Date of Patent: April 23, 2024
    Assignee: FUJIFILM Business Innovation Corp.
    Inventors: Hirotaka Tanaka, Tomoaki Yoshioka, Yoko Miyamoto, Toshiaki Baba, Koichiro Yuasa, Kazuyoshi Hagiwara, Kei Tanaka
  • Head-up display device
    Patent number: 11586047
    Abstract: There is provided a head-up display device including: a display configured to emit a display light ray therefrom, a reflection member configured to pivot around a rotation axis and reflect the display light ray to project a display image; and a housing configured to accommodate the reflection member. The reflection member has a plurality of ribs protruding from a surface on an opposite side to a reflection surface which reflects the display light ray, and the plurality of ribs have a portion in which a height on an outer side in a rotational direction centered at the rotation axis is lower than that on an inner side in the rotational direction.
    Type: Grant
    Filed: December 8, 2021
    Date of Patent: February 21, 2023
    Assignee: YAZAKI CORPORATION
    Inventors: Naohisa Murata, Yasuhiro Katsumata, Koichiro Hagiwara, Yusuke Fujimoto
  • HEAD-UP DISPLAY DEVICE
    Publication number: 20220179216
    Abstract: There is provided a head-up display device including: a display configured to emit a display light ray therefrom, a reflection member configured to pivot around a rotation axis and reflect the display light ray to project a display image; and a housing configured to accommodate the reflection member. The reflection member has a plurality of ribs protruding from a surface on an opposite side to a reflection surface which reflects the display light ray, and the plurality of ribs have a portion in which a height on an outer side in a rotational direction centered at the rotation axis is lower than that on an inner side in the rotational direction.
    Type: Application
    Filed: December 8, 2021
    Publication date: June 9, 2022
    Applicant: Yazaki Corporation
    Inventors: Naohisa Murata, Yasuhiro Katsumata, Koichiro Hagiwara, Yusuke Fujimoto