Patents by Inventor Hitoshi Mukai

Hitoshi Mukai 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).

  • Wall structure
    Publication number: 20050264768
    Abstract: A wall structure has a first wall and a second wall that faces the first wall. A part of the second wall or the entire second wall is configured as a rear-projection screen. A projector for projecting an image onto the rear-projection screen is arranged between the first and second walls.
    Type: Application
    Filed: May 12, 2005
    Publication date: December 1, 2005
    Inventors: Tetsujiro Kondo, Tetsushi Kokubo, Yasushi Tatehira, Kenji Tanaka, Hitoshi Mukai, Hirofumi Hibi
  • Permeable screen and its manufacturing method
    Patent number: 5914809
    Abstract: A permeable screen possesses superior brightness, high contrast, wide view angle, excellent contrast to external light, superior clearness, and less reflection of external light image. The permeable screen includes a front dispersing panel and a lenticular lens sheet disposed at the incident side of the front dispersing panel and forming plural lens surfaces. The permeable screen also includes a Fresnel lens sheet disposed at the incident side of the lenticular lens sheet and forming plural lens surfaces. The front dispersing panel functions as a screen and also provides mechanical strength. The front dispersing panel also possesses parts for mounting and fixing the lenticular lens sheet and Fresnel lens sheet.
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: June 22, 1999
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Katsuaki Mitani, Satoshi Aoki, Hitoshi Mukai
  • Permeable screen and its manufacturing method
    Patent number: 5581407
    Abstract: A permeable screen possesses superior brightness, high contrast, wide view angle, excellent contrast to external light, superior clearness, and less reflection of external light image. The permeable screen includes a front dispersing panel and a lenticular lens sheet disposed at the incident side of the front dispersing panel and forming plural lens surfaces. The permeable screen also includes a Fresnel lens sheet disposed at the incident side of the lenticular lens sheet and forming plural lens surfaces. The front dispersing panel functions as a screen and also provides mechanical strength. The front dispersing panel also possesses parts for mounting and fixing the lenticular lens sheet and Fresnel lens sheet.
    Type: Grant
    Filed: March 16, 1994
    Date of Patent: December 3, 1996
    Assignee: Matsushita Electric Industrial Co., Ltd.
    Inventors: Katsuaki Mitani, Satoshi Aoki, Hitoshi Mukai
  • Combined amplifier and tuner
    Patent number: D243794
    Type: Grant
    Filed: June 18, 1975
    Date of Patent: March 22, 1977
    Assignee: Sansui Electric Co., Ltd.
    Inventor: Hitoshi Mukai