Patents by Inventor Isamu Masakawa

Isamu Masakawa 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).

  • Patent number: 12145502
    Abstract: A lighting device includes a first light source portion, a light guide that includes a light guide body with an elongated shape, guides light incident from the first light source portion in a longitudinal direction of the elongated shape, and emits a first light including the guided light to illuminate an illuminated object, and a second light source portion that emits a second light to illuminate the illuminated object. The second light source portion is provided independently of the first light source portion and the light guide.
    Type: Grant
    Filed: September 6, 2023
    Date of Patent: November 19, 2024
    Assignees: TOYODA GOSEI CO., LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Toshiaki Mori, Yoichi Matsuoka, Koichiro Endo, Akinori Ushijima, Isamu Masakawa, Jota Kusakari
  • Publication number: 20240109483
    Abstract: A lighting device includes a first light source portion, a light guide that includes a light guide body with an elongated shape, guides light incident from the first light source portion in a longitudinal direction of the elongated shape, and emits a first light including the guided light to illuminate an illuminated object, and a second light source portion that emits a second light to illuminate the illuminated object. The second light source portion is provided independently of the first light source portion and the light guide.
    Type: Application
    Filed: September 6, 2023
    Publication date: April 4, 2024
    Inventors: Toshiaki MORI, Yoichi MATSUOKA, Koichiro ENDO, Akinori USHIJIMA, Isamu MASAKAWA, Jota KUSAKARI
  • Patent number: D704114
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: May 6, 2014
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Isamu Masakawa, Shin Numoto
  • Patent number: D731937
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: June 16, 2015
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Isamu Masakawa, Kei Yamamoto
  • Patent number: D908075
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: January 19, 2021
    Inventors: Aaron Park, Akihisa Okada, Makoto Kato, Takeshi Okabe, Isamu Masakawa