Patents by Inventor Tadao Matsuki

Tadao Matsuki 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: 7911695
    Abstract: The present invention provides a reflex-type screen which is wound up by a winding shaft to be retracted and is unwound from the winding shaft in use. The reflex-type screen comprises a reflection layer which reflects an incident light, a transparent surface protective layer provided on a first surface of the reflection layer, and a back surface protective layer provided on a second surface of the reflection layer, wherein as between the surface protective layer and the back surface protective layer, the one that has a higher loop stiffness value, faces inward when the reflex-type screen is wound up by the shaft.
    Type: Grant
    Filed: November 27, 2008
    Date of Patent: March 22, 2011
    Assignee: Arisawa Mfg. Co., Ltd.
    Inventors: Hajime Maruta, Tadao Matsuki, Shinya Ishida, Takahito Tanabe, Kiyoshi Numata
  • Publication number: 20090141348
    Abstract: The present invention provides a reflex-type screen which is wound up by a winding shaft to be retracted and is unwound from the winding shaft in use. The reflex-type screen comprises a reflection layer which reflects an incident light, a transparent surface protective layer provided on a first surface of the reflection layer, and a back surface protective layer provided on a second surface of the reflection layer, wherein as between the surface protective layer and the back surface protective layer, the one that has a higher loop stiffness value, faces inward when the reflex-type screen is wound up by the shaft.
    Type: Application
    Filed: November 27, 2008
    Publication date: June 4, 2009
    Applicant: ARISAWA MFG. CO., LTD.
    Inventors: HAJIME MARUTA, TADAO MATSUKI, SHINYA ISHIDA, TAKAHITO TANABE, KIYOSHI NUMATA
  • Patent number: 5253822
    Abstract: A case body composed of upper and lower halves having a main wall in which there is defined at an intermediate portion thereof a pair of drive shaft insertion holes in right and left portions thereof, and the case body includes two pairs of upper and lower flange members inwardly projected from inner peripheral portions of the drive shaft insertion holes continuous with the main wall. A name plate made of a materials harder than the plastic material of the case body, is attached to an outer surface of the main wall including the right and left drive shaft insertion holes, and the name plate has one or more indexes formed on the outer surface thereof and has a pair of right and left shaft insertion openings defined therein. The positions of the shaft insertion openings correspond to the drive shaft insertion holes defined in the case body.
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: October 19, 1993
    Assignee: Hitachi Maxell, Ltd.
    Inventors: Tadao Matsuki, Nobutaka Miyazaki, Osamu Yamamoto
  • Patent number: D328971
    Type: Grant
    Filed: February 23, 1989
    Date of Patent: September 1, 1992
    Assignee: Hitachi Maxwell, Ltd.
    Inventors: Ichiro Fujita, Tadao Matsuki, Shin-ichi Kagano
  • Patent number: D369794
    Type: Grant
    Filed: May 3, 1995
    Date of Patent: May 14, 1996
    Assignee: Hitachi Maxell Ltd.
    Inventor: Tadao Matsuki