Patents by Inventor Atsutomo Hayamizu

Atsutomo Hayamizu 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).

  • Display device
    Patent number: 10032394
    Abstract: Provided is a display device that includes an LED board on which a plurality of LED chips arranged in a matrix shape are mounted and an LED cover that covers a surface of the LED board where the LED chips is mounted and that is applied, as an LED display unit displaying a state of operation, for an electronic device, wherein the LED cover includes a front surface portion with a back surface arranged to face the LED chips, the back surface having grid-shaped ribs projected to form a plurality of recessed light guide holes at locations corresponding to the LED chips and characters printed on a front surface of the front surface portion adjacent to locations corresponding to bottom surfaces of the light guide holes, wherein each of the light guide holes is a tapered hole of which opening area is decreased toward the bottom surface, and the bottom surfaces are satin finished.
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: July 24, 2018
    Assignee: Mitsubishi Electric Corporation
    Inventors: Masaru Yoneda, Yutaka Mizutani, Atsutomo Hayamizu
  • DISPLAY DEVICE
    Publication number: 20160293070
    Abstract: Provided is a display device that includes an LED board on which a plurality of LED chips arranged in a matrix shape are mounted and an LED cover that covers a surface of the LED board where the LED chips is mounted and that is applied, as an LED display unit displaying a state of operation, for an electronic device, wherein the LED cover includes a front surface portion with a back surface arranged to face the LED chips, the back surface having grid-shaped ribs projected to form a plurality of recessed light guide holes at locations corresponding to the LED chips and characters printed on a front surface of the front surface portion adjacent to locations corresponding to bottom surfaces of the light guide holes, wherein each of the light guide holes is a tapered hole of which opening area is decreased toward the bottom surface, and the bottom surfaces are satin finished.
    Type: Application
    Filed: November 28, 2013
    Publication date: October 6, 2016
    Applicant: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Masaru YONEDA, Yutaka MIZUTANI, Atsutomo HAYAMIZU
  • Wireless device for signal relay device
    Patent number: D743401
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: November 17, 2015
    Assignee: MITSUBISHI ELECTRIC CORPORATION
    Inventors: Hiroichiro Shimano, Atsutomo Hayamizu, Yuta Yamada
  • Programmable controller
    Patent number: D897294
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: September 29, 2020
    Assignee: Mitsubishi Electric Corporation
    Inventors: Shinichi Kato, Hisashi Hirokawa, Tomoomi Nishimura, Atsutomo Hayamizu, Takashi Ando
  • Programmable controller
    Patent number: D956001
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: June 28, 2022
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Kato, Hiroyuki Onojima, Kazuma Takahata, Takashi Ando, Mitsuhiro Yamada, Atsutomo Hayamizu
  • Memory card reader for programmable controller
    Patent number: D1020742
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: April 2, 2024
    Assignee: Mitsubishi Electric Corporation
    Inventors: Hiroyuki Kato, Hiroyuki Onojima, Kazuma Takahata, Takashi Ando, Mitsuhiro Yamada, Atsutomo Hayamizu